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Kaon LT Meetings » History » Version 791

Richard Trotta, 04/24/2024 08:52 PM

1 116 Richard Trotta
{{>TOC}}
2 1 Richard Trotta
3 537 Garth Huber
h1. *KaonLT/PionLT Weekly Meetings*
4 1 Richard Trotta
5 293 Garth Huber
KaonLT/PionLT collaboration analysis meetings. Please add your talk to the meeting ahead of time. Add the newest meeting to the top of the list!
6 262 Richard Trotta
7 645 Vijay Kumar
---
8 284 Vijay Kumar
9 685 Abdennacer Hamdi
h2. 2024 Meetings
10 684 Abdennacer Hamdi
11
---
12
13 787 Garth Huber
h3. April 18, 2024
14
15
* Garth's Notes attachment:mtg_24apr18.txt
16 791 Richard Trotta
* Richard
17 790 Richard Trotta
** attachment:KaonLTMeeting4_18_24.pdf
18
** I am confident that the output of recon_hcana and data match fairly well and that iterations are the next step to optimize this.
19 787 Garth Huber
20 788 Garth Huber
---
21
22 779 Vijay Kumar
h3. April 11, 2024
23
24 786 Garth Huber
* Garth's Notes attachment:mtg_24apr11.txt
25 781 Richard Trotta
* Richard
26
** attachment:KaonLTMeeting4_11_24.pdf
27
** Mismatch between xptar for data/simc has been resolved by removing RF cut. Offset in t-distribution for data/simc has been resolved by fixing an error in recon_hcana (wrong mass used in detected particle calculation). Fixes to iterations, ongoing.
28 1 Richard Trotta
* Vijay
29 786 Garth Huber
** Extracted preliminary Sig_L and Sig_T cross-sections
30 779 Vijay Kumar
** Working to improve the extracted cross-sections. attachment:Vijay_April_11_2024.pdf
31 782 Abdennacer Hamdi
* Nacer
32 785 Abdennacer Hamdi
** Final cuts optimized for kaon events selection, detail attachment:20240411_kaonLT_nacer.pdf
33 779 Vijay Kumar
34 788 Garth Huber
---
35
36 774 Nathan Heinrich
h3. April 4, 2024
37
38 777 Garth Huber
* Garth's Notes attachment:mtg_24apr04.txt
39 774 Nathan Heinrich
* Nathan
40
** Update on Lumi, working on set of Lumi data that has BCM calibrated
41 775 Nathan Heinrich
** Found that we'll need zero current offset and that there were offsets already applied: attachment:lumiUpdate2024-04-04.pdf
42 774 Nathan Heinrich
*** Full set of plots: attachment:Yield_9-2pt1Carbon.pdf attachment:Yield_9-2pt1Carbon.pdf
43 776 Ali Usman
* Ali
44
** Update on pi-Delta BSA analysis. Plots include missing shape study and asymmetry for Q2 = 3.0, W = 3.14 (low t).
45
** attachment:KaonLT_Meeting_Apr_4_2024.pdf
46 778 Alicia Postuma
* Alicia
47
** Finalizing asymmetry results after error meeting
48
** attachment:AsymmetryErrors2.pdf
49 788 Garth Huber
50 774 Nathan Heinrich
---
51
52 770 Garth Huber
h3. April 2, 2024
53
54
* Special meeting to discuss BSA uncertainties
55
* Garth's Notes attachment:bsa_24apr02.txt
56 771 Alicia Postuma
* Alicia's slides attachment:Asym_errors.pdf
57 770 Garth Huber
58
---
59
60 754 Richard Trotta
h3. March 28, 2024
61
62 767 Garth Huber
* Garth's Notes attachment:mtg_24mar28.txt
63 754 Richard Trotta
* Richard
64
** attachment:KaonLTMeeting3_28_24.pdf
65
** SHMS xptar had an odd distribution. Upon further inspection, the RF cut was the cause. There is a correlation between xptar and the RF which must have a path length correction. For KaonLT data (>Q2=0.5), the RF will no longer be used.
66 756 Abdennacer Hamdi
* Nacer
67 767 Garth Huber
** The RF time cut is the most efficient event selection among PID cuts, particularly to select kaons (lambda peak) and suppress pions (neutron peak) for 3.8 GeV and 4.9 GeV kaon LT data, see attachment:20240328_kaonLT_event_selection_nacer.pdf
68 768 Alicia Postuma
* Alicia
69
** Updated asymmetry plots: attachment:Asym_Postuma_Mar28.pdf
70 772 Muhammad Junaid
* Junaid
71
** Made HeePCoin plots for offset studies.
72
** attachment:HeePCoin_Offset_Study.pdf
73 773 Muhammad Junaid
74 788 Garth Huber
---
75 754 Richard Trotta
76 748 Nathan Heinrich
h3. March 21, 2024
77
78 753 Garth Huber
* Garth's Notes attachment:mtg_24mar21.txt
79 748 Nathan Heinrich
* Nathan
80 750 Nathan Heinrich
** Got lumi script running. Initial plots of lumi: attachment:Yield_9-2C.pdf
81 749 Nathan Heinrich
** Still need to do alot of bug fixing
82 751 Ali Usman
* Ali
83
** Update on pi-delta BSA analysis.
84 752 Ali Usman
** A comparison b/w SIDIS and RHO is done to see which one fits the data better. SIDIS wins the race since RHO results in a bad fit.
85 751 Ali Usman
** Will be able to do 2 t-bins for higher statistic data (Q2 = 3.0, W = 3.14)
86
** attachment:KaonLT_Meeting_Mar_21_2024.pdf
87 769 Alicia Postuma
* Alicia
88
** Implemented delta correction in hcana: attachment:Asym_Postuma_Mar21.pdf
89 748 Nathan Heinrich
90
---
91
92 736 Vijay Kumar
h3. March 14, 2024
93
94 740 Garth Huber
* Garth's Notes attachment:mtg_24mar14.txt
95 736 Vijay Kumar
* Vijay
96
** Good news, got all yield ratio plots correct.
97
** Got an Unseparated cross-section.
98
** Got a Separated cross-section.
99 737 Vijay Kumar
** Excited to have the first LT sep plots today. attachment:Vijay_update_Mar14_24.pdf
100 743 Ali Usman
* Alicia
101 741 Alicia Postuma
** Missing mass cut values for asymmetry: MMpi<1.01+/-0.02
102
** Determined reasonable delta correction
103
** Trying to compile hcana to implement delta correction there
104
** attachment:Asym_Mar14.pdf
105 743 Ali Usman
* Ali
106 745 Ali Usman
** Preliminary plot for pi-Delta MM shape study (Q2 = 3.0, W = 3.14 center). This includes all the MC with new resolution factor.
107 742 Ali Usman
** attachment:Q3p0W3p14center_pos.pdf
108 746 Muhammad Junaid
* Junaid
109
** Updated ltsep package for PionLT
110
** Added ngcer variables to ltsep package.
111
** Updated RF offset for HeePCoin PionLT data
112
** Updated HeeP Coin scripts.
113
** Finalized HeePCoin PID cuts.
114
** attachment:HeePCoin_PID_Study.pdf
115 788 Garth Huber
116
---
117 736 Vijay Kumar
118 721 Nathan Heinrich
h3. March 7, 2024
119 722 Nathan Heinrich
120 725 Garth Huber
* Garth's Notes attachment:mtg_24mar07.txt
121 723 Nathan Heinrich
* Nathan
122 1 Richard Trotta
** Made Quick PID efficiency plots for SHMS NIM paper. Found HGC zero bin entries still an issue. "NIMpaperPidPlots.pdf":https://redmine.jlab.org/attachments/2394 
123 722 Nathan Heinrich
** Without zero bin cut: "SHMS_Pion_PIDeffPlots_16504.pdf":https://redmine.jlab.org/attachments/2395 with zero cut: "SHMS_Pion_PIDeffPlots_16504_v2.pdf":https://redmine.jlab.org/attachments/2396
124 724 Richard Trotta
** Lumi without zero bin cut: "SHMS_Electron_PIDeffPlots_16759.pdf":https://redmine.jlab.org/attachments/2397
125
* Richard
126
** attachment:KaonLTMeeting3_7_24.pdf
127
** Fixed issue with shrinking xsect on each iteration. The issue was a mistake in absolute error being mistaken for relative error when calculating xsect error.\
128
** Pion subtraction implemented with not much change in xsect beyond lowest t-bins. Smaller t-bins see a 50% reduction with MM cut
129
** Iteration script works, now just trying to find best parameterization. Particularly for Q2=3.0, W=2.32 where eps_low>eps_hi
130 742 Ali Usman
* Ali
131
** SIMC resolution study is complete. The final resolution factor for SHMS DC is 3.5.
132
** Good agreement between data and MC in each t-bin. Higher Q2 data has better agreement.
133
** Also checked target quantities with and without resolution tunning. No issues in reconstruction with resultion tunning.
134
** attachment:KaonLT_Meeting_Feb_15_2024.pdf
135 722 Nathan Heinrich
136
---
137 721 Nathan Heinrich
138 713 Vijay Kumar
h3. February 29, 2024
139 1 Richard Trotta
140 715 Garth Huber
* Garth's Notes attachment:mtg_24feb29.txt
141 714 Richard Trotta
* Richard
142
** attachment:KaonLTMeeting2_29_24.pdf
143
** Issue with iteration script where cross section error decreases with each iteration. Still being investigated
144
** Unseparated cross-section plots are coming along; still work to be done on improving them.
145
** Interesting sigL/T vs t behavior with lower W values (very tentative)
146 713 Vijay Kumar
* Vijay 
147 716 Garth Huber
** I found an interesting plot of pion and kaon form factors at high Q2 from lattice QCD in the ICTS workshop. The speaker of the talk was Swagato Mukherjee (BNL).  
148 713 Vijay Kumar
 attachment:Lattice_form_factor.pdf
149 717 Alicia Postuma
* Alicia
150
** Update on delta correction to missing mass: not necessary in every setting
151
** Need to determine exactly what correction to apply for HMS momentum > 5.0
152
** attachment:Postuma_MissMass_Feb29.pdf
153 726 Garth Huber
* Nacer
154
** Tracking efficiency quality check finalized for 3.8 GeV and 4.9 GeV data, and the corresponding run lists are updates see the talk attachment:20240229_kaonLT_nacer.pdf
155 730 Muhammad Junaid
* Junaid
156
** Selected 9 HeeP Coin settings out of 15 to do HeeP Studies
157 732 Muhammad Junaid
** Prioritize on the basis of physics momentums and angles settings
158 730 Muhammad Junaid
** attachment:HeeP_Studies_PionLT.pdf
159 713 Vijay Kumar
160 789 Garth Huber
---
161
162 711 Richard Trotta
h3. February 22, 2024
163
164 712 Garth Huber
* Garth's Notes attachment:mtg_24feb22.txt
165 711 Richard Trotta
* Richard
166
** attachment:KaonLTMeeting2_22_24.pdf
167
** Model cross-sections were compared for most of the Q2s. There were several iterations which included a +0.2 term to the t-dependence of sigL. sigT now used the model from Tanja's "global analysis":https://journals.aps.org/prc/pdf/10.1103/PhysRevC.85.018202 which is coming along. Pion subtraction still needs to be incorporated and things should improve further from there.
168 718 Alicia Postuma
* Alicia
169
** Still trying to implement delta correction to missing mass
170
** attachment:Postuma_MissMass_Feb22.pdf
171 735 Muhammad Junaid
* Junaid
172
** Updated DEF file (Included NGC variables)
173
** Updated DEF-Cut files for HeeP, Lumi, Prod and pTRIG6 data (Included ngcer cuts).
174
** Generated BCM currents for PionLT data.
175
** Replayed PionLT data Pass1_v2 (included BCM current params)
176
** Finalized Tracking Efficiencies for PionLT data (HeeP, Lumi, Prod and pTRIG6) - Removed outliers
177
** attachment:Efficiency_Studies_PionLT.pdf
178 789 Garth Huber
179
---
180 711 Richard Trotta
181 704 Richard Trotta
h3. February 15, 2024
182
183 705 Garth Huber
* Garth's Notes attachment:mtg_24feb15.txt
184 707 Garth Huber
* Garth's GitHub meeting Notes attachment:GitHub_mtg_24feb14.txt
185 704 Richard Trotta
* Richard
186
** attachment:KaonLTMeeting2_15_24.pdf attachment:dsig_totstaterror_calc.pdf
187
** Properly Calculated Statistical Uncertainties
188
*** Ali and I went through and properly implemented statistical uncertainties (double-checked with Garth on Monday). This included updating HMS cerenkov and calorimeter efficiencies that needed to use a "golden singles run" to avoid contamination. A bug in the ratio per bin was fixed so that proper average ratio per bins were found.
189
** SIMC Aerogel/HGCer geometric cuts were implemented.
190
** Particle Subtraction Script was updated. Just need pion samples from Ali.
191
** Beginning Unsep-xsect Systematic Studies
192
** Continued issues with generating new parameterization
193
*** Unsep xsect fits are starting to look good, but the script to generate improved parameterization generates insane fits. Likely a change to the model is needed. In particular, sigT will need adjustments.
194 708 Alicia Postuma
* Alicia
195
** Summary of next steps in asymmetry analysis
196
** Discussion of missing mass using delta correction: unable to reproduce hcana MMpi - learned that this is expected. Will implement a version of Richard's code from recon_hcana 
197
** Exploring -t dependence of different data and simc files
198
** Slides: attachment:Asymmetry_Postuma_2024-1.pdf
199 704 Richard Trotta
200 709 Ali Usman
* Ali
201
** Update on the SIMC resolution study for Kaon-LT 10.6 GeV data.
202
** SIMC SHMS DC resolution was tunned to have better agreement b/w data nnd MC. A large resolution multiplication factor of 9 is used. This will hopefully decrease with improvement in data resolution.
203
** SIMC HMS DC resolution (suggested by Dave G.) doesn't make a huge difference.
204 710 Ali Usman
** The resolution of MC looked worse than data after t-bining. This will be improved with a lower multiplication factor.
205 709 Ali Usman
** attachment:KaonLT_Meeting_Feb_15_2024.pdf
206
207 704 Richard Trotta
---
208
209 702 Richard Trotta
h3. February 8, 2024
210
211 703 Garth Huber
* Garth's Notes attachment:mtg_24feb08.txt
212 702 Richard Trotta
* Richard
213
** attachment:KaonLTMeeting2_8_24.pdf
214
** SIMC Weight
215
*** In order to get Ydata/Ysimc to be even close to unity I needed to divide the SIMC weight by 10^6. I was applying the weight for the histograms but not binned data. 
216
** SIMC MM
217
*** The long radiative tail from simc MM has mostly been resolved by using the correct decay length and properly recalculating the MM using recon_hcana.
218
** MM PID Analysis
219
*** Played around with MM cuts to see PID of leak through/higher K+ channels.
220
*** Increasing aerogel cut from aero > 3.0 to > 4.5 should resolve some of the issues, but more probably needs to be done.
221
** MM cut: Yield Comparison
222
*** Using an MM cut of 1.10 < MM < 1.18 produced shockingly consistent yields for Q2=2.115
223
224
---
225
226 700 Richard Trotta
h3. February 1, 2024
227
228 701 Garth Huber
* Garth's Notes attachment:mtg_24feb01.txt
229 700 Richard Trotta
* Richard
230
** attachment:KaonLTMeeting2_1_24.pdf
231
** Dave’s Delta Adjustments
232
*** Dave's adjustment to HMS delta to correct for the hsxpfp correlation is implimented.
233
** The weight iteration script is working, but there is an issue with either the SIMC weight or unit charge which is causing me to include a 10^-6 factor in the SIMC weight which messes up the rest of the iteration scripts.
234
235
---
236
237 696 Richard Trotta
h3. January 25, 2024
238
239 697 Garth Huber
* Garth/Richard Notes attachment:mtg_24jan25.txt
240 696 Richard Trotta
* Richard
241
** attachment:KaonLTMeeting1_24_24.pdf
242
** Issues with dummy runs
243
*** The dtype error for some dummy runs was caused by empty trees when applying the CT cuts.
244
*** The source of these fails cuts was because the CT offset applied at the replay level was skipped for these runs and thus the CT peak was not where the cut expected.
245
** Weird t-distribution
246
*** Multiple peaks seen in the t-distribution were caused by various particle leakthrough.
247
*** This was cleaned up a bit by implimenting a HMS cer cut > 1.5, but there are still significant particles that need to be cleaned up.
248
** Fixed binning issue
249
*** Issue with the binning script was causing many average kin per bin values to be zero. 
250
*** The scripts were completely rewritten and things look very nice now.
251
** Separated Xsects Script
252
*** Finished debugging the script that separates the cross section. 
253
*** The binning issue was hiding other FORTRAN related issues, in particular, with the input files that are generated.
254
** SIMC MM
255
*** Very broad and long tail on kaon MM generated by SIMC. Still under investigation.
256
** SIMC High Q2
257
*** There were negative MM and other variables being generated by SIMC for high Q2 settings.
258
*** Likely caused by sigT going negative. By setting some of sigT's parameterization to zero, the issue should be resolved. Still under investigation.
259 698 Garth Huber
* Dave
260
** HMS delta-hsxpfp correction for KaonLT data 
261
** attachment:DG_24jan25_hms_hsxpfp.pdf
262 699 Garth Huber
263 696 Richard Trotta
---
264
265 1 Richard Trotta
h3. January 11, 2024
266
267 690 Garth Huber
* Garth's Notes attachment:mtg_24jan11.txt
268 694 Garth Huber
* Garth's GitHub meeting Notes  attachment:GitHub_mtg_24jan10.txt
269 1 Richard Trotta
* Richard
270
** attachment:D1_2024WinterHallCTalk.pdf
271
** Most bad runs (i.e. those replays/analysis files that failed for various regions) for Q2=2.1 have been properly run. There are still a few outstanding runs that need to be further investigated.
272
** Equations for the xsect iteration script have been properly adjusted to match those found in the fortran script of SIMC (physics_iterate.f).
273
** Testing with Q2=2.1 is underway with a minor bug with efficiency calculation that needs to be resolved. Once this is done, this setting will test the xsects iteration and separated xsects scripts.
274 692 Garth Huber
* Dave 
275 695 Garth Huber
** HMS delta-hsxpfp correction for P_HMS=5.292GeV/c  attachment:DG_24jan11_hms_hsxpfp.pptx attachment:DG_24jan11_hms_hsxpfp.pdf
276 689 Richard Trotta
277
---
278
279
h3. January 4, 2024
280
281 693 Garth Huber
* Garth's Notes attachment:mtg_24jan04.txt
282 689 Richard Trotta
* Nacer: beta SHMS calibration attachment:20240104_kaonLT_nacer.pdf
283 688 Richard Trotta
284
---
285
286 683 Garth Huber
h2. 2023 Meetings
287
288
---
289
290 678 Vijay Kumar
h3. December 21, 2023
291 666 Vijay Kumar
292 681 Garth Huber
* Garth's Notes attachment:mtg_23dec21.txt
293 680 Richard Trotta
* Richard
294
** attachment:FinalHeepOffsets_v3.pdf
295
*** Updated heep plots without HGCer cuts, very small change (order of ~0.1 MeV). Also updated with almost final efficiencies (missing Hodo uncern).
296
** attachment:10p6_Prod_2023_12_18.pdf attachment:8p2_Prod_2023_12_18.pdf attachment:6p2_Prod_2023_12_18.pdf attachment:4p9_Prod_2023_12_18.pdf attachment:3p8_Prod_2023_12_18.pdf
297
*** Plots of efficiencies per energy.
298
** attachment:heep_yield.pdf
299 682 Vijay Kumar
*** Heep yield plots without uncertainty. Statistical uncertainty is done, but systematic needs to be finished.
300 677 Vijay Kumar
* Vijay (updated on Dec 27, 2023 (Heep plot))
301 679 Vijay Kumar
** The final summary of the lumi and elastic studies in summer 2019 data. attachment:PionLT_Smmer19_Lumi_elastic_Studies_Dec21_2023.pdf
302 677 Vijay Kumar
** Next Plan: Physics analysis (LT separation) for Q2 = 0.38 GeV2 in the summer 2019 data.
303
304
---
305
306
h3. December 14, 2023
307
308 675 Garth Huber
* Garth's Notes attachment:mtg_23dec14.txt
309 666 Vijay Kumar
* Vijay
310
** The summary of lumi and elastic studies in summer 2019 data.
311
** Carbon Relative Yield: shows a flat line with the -0.243/100uA% slope.
312
** LH2 Relative Yield: shows a slope of -5.06/100uA%.
313
** Average Elastic Cross-Section: determined to 0.9915+-0.0136. 
314 669 Vijay Kumar
** I've compared the study with previous ones. attachment:PionLT_Smmer19_Lumi_elastic_Studies.pdf
315 672 Vijay Kumar
** Next plan: Replay the physics data with determined offsets for the physics analysis. 
316 676 Garth Huber
* Nacer: beta SHMS calibration attachment:20231214_kaonLT_nacer.pdf
317 670 Vijay Kumar
318 666 Vijay Kumar
---
319
320 662 Richard Trotta
h3. December 7, 2023
321
322 665 Garth Huber
* Garth/Nacer Notes attachment:mtg_23dec07.txt
323 662 Richard Trotta
* Richard
324
** attachment:FinalHeepOffsets_v2.pdf
325 664 Richard Trotta
** No Offsets: "10p6":https://redmine.jlab.org/attachments/2266 "8p2":https://redmine.jlab.org/attachments/2262 "6p2":https://redmine.jlab.org/attachments/2263 "4p9":https://redmine.jlab.org/attachments/2264 "3p8":https://redmine.jlab.org/attachments/2265
326
** Offsets: "10p6":https://redmine.jlab.org/attachments/2261 "8p2":https://redmine.jlab.org/attachments/2257 "6p2":https://redmine.jlab.org/attachments/2258 "4p9":https://redmine.jlab.org/attachments/2259 "3p8":https://redmine.jlab.org/attachments/2260
327 663 Richard Trotta
** There was an oversight in the BPM params and they were not pushed to the proper git repo. The offsets had to be redone and the new final offsets are implimented.
328
** Full Replay Pass 3 is underway.
329 662 Richard Trotta
330
---
331
332 657 Nathan Heinrich
h3. November 30, 2023
333
334 661 Garth Huber
* Garth/Nacer Notes attachment:mtg_23nov30.txt
335 657 Nathan Heinrich
* Nathan
336
** Update on Coin Reference time cuts: attachment:RefTimes_Update_2023-11-30.pdf
337 658 Richard Trotta
** Cuts decided, quality checks on data and implementation to be done
338
* Richard
339 660 Richard Trotta
** attachment:KaonLT_FinalHeepOffsets.pdf
340 658 Richard Trotta
** Finalized KaonLT Offsets (including OOP)
341
** In the process of including new offsets in a new replay batch. Should be finished by the end of the weekend.
342 657 Nathan Heinrich
343
---
344
345 644 Ali Usman
h3. November 16, 2023
346 647 Vijay Kumar
347 653 Garth Huber
* Garth/Nacer Notes attachment:mtg_23nov16.txt
348 644 Ali Usman
* Ali
349
** attachment:KaonLT_Meeting_Nov_16_2023.pdf
350
** CoinTime / Beta Leakage Study is now finished. Mark's suggestion to change ptof_tolerance variable from 100 to 2 has fixed the bad beta events. The efficiency for 10.6 and 6.2 / 8.2 GeV Heep dta is almost identical. No need to correct for bad beta / CoinTime events.
351 648 Richard Trotta
* Richard
352
** attachment:KaonLTMeeting11_16_23.pdf
353
** Fixing the SHMS momentum offset and playing around with some decent offsets for all energies besides 10p6. Final numbers are being determined.
354 649 Vijay Kumar
* Vijay
355
** The 'Out of Plane offset' for the summer 2019 data has been comprehensively examined and verified. 
356
** It has proven to be highly effective in addressing the pmy variables of the summer 2019 dataset. attachment:Heep_pmy_summer19_offset.pdf
357 650 Vijay Kumar
358 644 Ali Usman
---
359 646 Vijay Kumar
360 640 Garth Huber
h3. November 9, 2003
361
362
* Garth/Nacer Notes attachment:mtg_23nov09.txt
363
* Richard
364 641 Richard Trotta
** attachment:KaonLTMeeting11_9_23.pdf
365
** A variety of heep offsets were applied, provided by Garth's global results. It is shown that adapting the 5 beam energy global offsets with varying the SHMS momentum offset allows for the best emiss peak positions.
366
** OOP offsets are also looked at, but there is an obvious issue with their implementation that needs to be resolved.
367 654 Garth Huber
* Garth
368 655 Garth Huber
** PMY fit to determine OOP offsets, for 3 different sets of beam energies attachment:offset_pmy2c.pdf
369 656 Garth Huber
370 640 Garth Huber
---
371
372 636 Richard Trotta
h3. November 2, 2023
373
374 638 Garth Huber
* Garth/Nacer Notes attachment:mtg_23nov02.txt
375 636 Richard Trotta
* Richard
376 637 Richard Trotta
** attachment:KaonLTMeeting11_2_23.pdf
377 636 Richard Trotta
** Garth's global high energy offsets were applied. There is a shift in emiss with dpp offset of -0.1%
378
379
---
380
381 642 Garth Huber
h3. October 24, 2023
382
383 643 Garth Huber
* Richard/Tanja/Dave Notes attachment:mtg_23oct24.txt
384 639 Garth Huber
385
---
386
387 627 Vijay Kumar
h3. October 17, 2023
388
389 635 Garth Huber
* Garth/Nacer Notes attachment:mtg_23oct17.txt
390 631 Richard Trotta
* Richard
391 632 Richard Trotta
** "kaon_xsects_Q2p1W2p95":https://redmine.jlab.org/attachments/2210
392
** By setting the parameters for the interference terms to zero, the spike in data between 220-300 deg has been removed, and all ratios are within ~10. The weight iteration script is being debugged and thoroughly checked.
393 627 Vijay Kumar
* Vijay
394
** The testing of global fitting parameters (offsets) for the summer 2019 data (Garth study) has been completed. 
395 630 Vijay Kumar
** It has been determined that employing a single set of offsets for all energies within the summer 2019 dataset does not adequately address all variables.
396 629 Vijay Kumar
** Nonetheless, the W variable exhibits a strong agreement with the SIMC for energies of 2.7 and 4.5 GeV. However, at 3.6 GeV, a slight over-correction is observed.
397 627 Vijay Kumar
** attachment:Vijay_Oct17_23.pdf
398
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400
401 633 Richard Trotta
h3. October 16, 2023
402
403 634 Richard Trotta
* "Notes from Cointime Leakage Meeting":https://redmine.jlab.org/attachments/2211
404 633 Richard Trotta
** Attendance: Alicia P., Ali U., Garth H., Richard T.
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---
407
408 623 Richard Trotta
h3. October 10, 2023
409
410 626 Garth Huber
* Garth/Nacer Notes attachment:mtg_23oct10.txt
411 623 Richard Trotta
* Richard
412 624 Richard Trotta
** attachment:KaonLTMeeting10_10_23.pdf
413 625 Richard Trotta
** As expected, the bifurcation seen in the CT vs beta (E=10.6) is almost non-existent when kaon PID cuts are applied. This is likely due to the lower statistics compared to what Alicia showed with pion PID. A correction should be applied regardless which will determined by the pion data.
414 623 Richard Trotta
415
---
416
417 620 Richard Trotta
h3. October 3, 2023
418
419 622 Garth Huber
* Garth/Nacer/Richard Notes attachment:mtg_23oct03.txt
420 620 Richard Trotta
* Richard
421
** attachment:kaon_xsects_Q2p1W2p95.pdf
422 621 Richard Trotta
** There are some issues with the Right SIMC setting returning zeros, which is part of the cause of the odd values. This is still being debugged, it is unclear if this is a binning or simc issue.
423 622 Garth Huber
* Plots from post-meeting on CoinTime "leakage"
424
** attachment:cointime_mmpi_10p6.pdf
425
** attachment:heep_coin_time_10p6.pdf
426
** attachment:ctime_vs_beta.pdf
427
** attachment:cointime_beta_10p6.pdf
428 613 Richard Trotta
429
---
430
431
h3. September 26, 2023
432
433 617 Garth Huber
* Garth/Nacer Notes attachment:mtg_23sep26.txt
434 613 Richard Trotta
* Richard
435
** attachment:kaon_unsep_xsects_Q2p1W2p95.pdf
436
** Fixed issues with the binning. Adapting parameter optimization code for iterating weights of SIMC
437
** Ratio for low eps of 2.1 looks good (all within 0.1-2.0), but high eps is all over the place.
438 614 Garth Huber
* Alicia
439 618 Alicia Postuma
** Explored coin time: interesting feature depends on missing mass
440
** attachment:log_ctime.pdf dark blue: no MM cut, green: loose MM cut, red: tight MM cut
441
** attachment:mmcointime.pdf 2D plot of coin time vs MM
442 613 Richard Trotta
443 491 Vijay Kumar
---
444
445 612 Garth Huber
h3. September 19, 2023
446
447 617 Garth Huber
* Garth/Nacer Notes attachment:mtg_23sep19.txt
448 619 Alicia Postuma
* Alicia
449
** Finalizing asymmetry analysis: three unresolved questions on PID/event selection
450
** attachment:Asymmetry_Postuma_Sep16.pdf
451 612 Garth Huber
452
---
453
454 609 Garth Huber
h3. September 12, 2023
455
456 617 Garth Huber
* Garth/Nacer Notes attachment:mtg_23sep12.txt
457 611 Garth Huber
* Follow-up meeting on LTsep procedure attachment:LTsep_mtg_23sep13.txt
458 609 Garth Huber
459
---
460
461 605 Vijay Kumar
h3. September 07, 2023
462
463 616 Garth Huber
* Garth/Nacer Notes attachment:mtg_23sep07.txt
464 1 Richard Trotta
* Vijay
465 606 Garth Huber
** SHMS hodoscope individual bar efficiency (pion) studied (Efficiency vs Run Number and Efficiency vs Coin trigger Rate) for all the production Runs. attachment:Vijay_Sep07_2023.pdf
466
* Richard
467 607 Richard Trotta
** "HMS Current Carbon":https://redmine.jlab.org/attachments/2118
468
** "HMS Current LH2":https://redmine.jlab.org/attachments/2119
469
** Finalized slopes for luminosity analysis from linear regression of HMS electron data from carbon and LH2. Carbon is flat (m0=1.688e-05±4.305e-04) and LH2 has a slope of ~8%+/-2% (m0=-7.899e-04±1.829e-04)
470 608 Alicia Postuma
* Alicia
471
** Preliminary Q2 scan: attachment:Scan_prelim.pdf
472 605 Vijay Kumar
473
---
474
475 600 Richard Trotta
h3. August 31, 2023
476
477 603 Garth Huber
* Garth/Nacer Notes attachment:mtg_23aug31.txt
478 600 Richard Trotta
* Richard
479
** attachment:KaonLTMeeting8_31_23.pdf
480 602 Richard Trotta
** "Regression HMS carbon current":https://redmine.jlab.org/attachments/2072
481
** "Regression HMS carbon rate":https://redmine.jlab.org/attachments/2074
482
** "Regression HMS LH2 current":https://redmine.jlab.org/attachments/2071
483
** "Regression HMS LH2 rate":https://redmine.jlab.org/attachments/2073
484
** "Regression SHMS carbon current":https://redmine.jlab.org/attachments/2075
485
** "Regression SHMS carbon rate":https://redmine.jlab.org/attachments/2076
486
** "Regression SHMS LH2 current":https://redmine.jlab.org/attachments/2077
487
** "Regression SHMS LH2 rate":https://redmine.jlab.org/attachments/2078
488 600 Richard Trotta
** Luminosity analysis is finally complete. Results are consistent with Carlos Yero!
489 604 Garth Huber
* Alicia
490 608 Alicia Postuma
** Binning Monte Carlo: attachment:Asymmetry_Postuma_BinMC2.pdf
491 604 Garth Huber
* Garth
492
** In-plane offset global constrained fit attachment:results_summary_23aug28.txt
493
** Out-of-plane offset plot attachment:offset_oop.pdf
494 600 Richard Trotta
495
---
496
497 595 Vijay Kumar
h3. August 24, 2023
498
499 599 Garth Huber
* Garth/Nacer Notes attachment:mtg_23aug24.txt
500 595 Vijay Kumar
* Vijay
501 598 Vijay Kumar
** All efficiencies for the PionLT summer 2019 data, that are required for the cross-section study, have been studied. attachment:Vijay_update_Aug24_2023.pdf
502 596 Vijay Kumar
** Starting soon the elastic cross-section study for the finalization.
503 595 Vijay Kumar
504
505
---
506
507 591 Garth Huber
h3. August 17, 2023
508
509
* Garth's Notes attachment:mtg_23aug17.txt
510 593 Garth Huber
* Alicia
511 592 Alicia Postuma
** Several updates: pi-delta BSA and binning for pi-neutron analysis
512
** attachment:Asymmetry_Postuma_PiDelta.pdf
513
** attachment:Asymmetry_Postuma_Binning2.pdf
514
** Also discussion of error analysis: will use unsimplified version of asymmetry error.
515 594 Nathan Heinrich
* Nathan
516
** Slides from conlsion of hgcer calibration https://redmine.jlab.org/attachments/2063
517 591 Garth Huber
518
---
519
520 589 Richard Trotta
h3. August 10, 2023
521 1 Richard Trotta
522 590 Garth Huber
* Garth's Notes attachment:mtg_23aug10.txt
523 589 Richard Trotta
* Richard
524
** attachment:KaonLTMeeting8_10_23.pdf
525
** t/phi binning of kinematics is looking a bit odd. The procedure is broken down here.
526 592 Alicia Postuma
* Alicia
527
** Working on binning data for pi-neutron asymmetry
528
** attachment:Asymmetry_Postuma_Binning1.pdf
529 589 Richard Trotta
530
---
531
532 588 Garth Huber
h3. July 27, 2023
533
534
* Garth's Notes attachment:mtg_23jul27.txt
535
536
---
537
538 581 Vijay Kumar
h3. July 20, 2023
539
540 587 Garth Huber
* Garth's Notes attachment:mtg_23jul20.txt
541 581 Vijay Kumar
* Vijay
542
** The HMS calorimeter efficiency study is completed from all the ‘Heep coin data’ (3 beam energy) of the summer 2019 run period. attachment:Vijay_July20_2023.pdf
543 584 Vijay Kumar
** The final number of this is *{color:green}@0.9979 ± 4.004e-05@*.  
544 585 Richard Trotta
* Richard
545 586 Richard Trotta
** "kaon_FullAnalysis_Q5p5W3p02_lowe":https://redmine.jlab.org/attachments/2028 "kaon_FullAnalysis_Q5p5W3p02_highe_no_hgcer_cut":https://redmine.jlab.org/attachments/2030 "kaon_FullAnalysis_Q5p5W3p02_highe":https://redmine.jlab.org/attachments/2029
546 585 Richard Trotta
** Peter's kaon PID suggestions are implemented, and the samples are almost there. These include aero>4, RF>+/-0.5, hgcer hole cut. Note: these are with just the spring hole cut (for testing). The proper fall hole cut will be added soon.
547 581 Vijay Kumar
548
---
549
550 580 Garth Huber
h3. July 13, 2023
551
552
* Garth's Notes attachment:mtg_23jul13.txt
553
554
---
555
556 577 Garth Huber
h3. July 6, 2023
557
558
* Garth's Notes attachment:mtg_23jul06.txt
559 578 Vijay Kumar
* Vijay
560 582 Vijay Kumar
** The HMS Calorimeter efficiency study from all the production data at Q2 = 0.38 GeV. attachment:Vijay_July6_2023.pdf
561 577 Garth Huber
562
---
563
564 570 Richard Trotta
h3. June 28, 2023
565
566 573 Garth Huber
* Garth's Notes attachment:mtg_23jun28.txt
567 576 Garth Huber
* Richard's Notes from meeting with Peter attachment:peter_mtg_23jun25.txt
568 572 Vijay Kumar
* Vijay
569
** EDTM Live Time testing for the Lumi study from summer 2019 data is done.
570
** attachment:Vijay_KaonLT_meeting_Jun28_2023.pdf
571 570 Richard Trotta
* Richard
572
** attachment:KaonLTMeeting6_28_23.pdf
573
** Incorporated Peter (and other's) bcm correction. Some things look better, but there are issues with some TLT values, which is throwing yields off. 
574
575
---
576
577 569 Garth Huber
h3. June 22, 2023
578 568 Richard Trotta
579
* Garth's Notes attachment:mtg_23jun22.txt
580 1 Richard Trotta
* Richard
581 570 Richard Trotta
** attachment:KaonLTMeeting6_22_23.pdf
582
** Adjusted aerogel cut for kaons to 3.0 from 1.5 because of a suggestion by Peter. This eliminates a bit more protons that slip through.
583 568 Richard Trotta
584
---
585 562 Richard Trotta
586 574 Garth Huber
h3. June 15, 2023
587
588
* Dave's Notes attachment:mtg_23jun15.txt
589
590
---
591
592 562 Richard Trotta
h3. June 8, 2023
593 1 Richard Trotta
594
* Dave's Notes attachment:mtg_23jun08.txt
595 566 Nathan Heinrich
* Richard
596 565 Garth Huber
** attachment:KaonLTMeeting6_8_23.pdf
597 562 Richard Trotta
** Linear regression for production also includes higher rates (>1kHz) and things still look fine.
598
** LH2 needs cuts to be adjusted, things are pretty off for now. 
599
* Alicia
600
** attachment:Asymmetry_Postuma_Updates_2023.pdf
601 567 Nathan Heinrich
** Errors, models for BSA analysis
602
* Nathan
603
** Finished Noble gas calibration attachment:CalibUpdate_2023-06-15.pdf
604 563 Alicia Postuma
** Uploaded slides from previous update, with a few extra plots that I had 
605 562 Richard Trotta
606
---
607 561 Richard Trotta
608
h3. June 1, 2023
609 564 Garth Huber
610 561 Richard Trotta
* Dave's Notes attachment:mtg_23jun01.txt
611
* Richard
612
** attachment:KaonLTMeeting6_1_23.pdf
613
** Linear regression for coincidence runs were compared to the singles luminosity runs. The slope for the coincidence is approximately an order of magnitude better than the singles.
614
615
---
616 551 Vijay Kumar
617
h3. May 25, 2023
618 555 Garth Huber
619 551 Vijay Kumar
* Garth's Notes attachment:mtg_23may25.txt
620 552 Vijay Kumar
* Vijay
621 553 Vijay Kumar
** HMS Calorimeter efficiency study at Q2 = 0.38 GeV2, for all production and heep coin data. attachment:Vijay_May25_2023.pdf
622 551 Vijay Kumar
** We discussed in our group meeting that it should be ok to take error weighted average of all the heep coin data and then correct the production data. 
623 559 Alicia Postuma
624
* Alicia
625
** Missing mass by bins - added delta: attachment:mm_simcdata2.pdf
626 551 Vijay Kumar
627
---
628 544 Vijay Kumar
629 550 Garth Huber
h3. May 18, 2023
630 549 Garth Huber
631 548 Richard Trotta
* Garth's Notes attachment:mtg_23may18.txt
632
* Ali
633
** Out of Plane offset study from KaonLT Heep Coindata using Tanja's method.
634 544 Vijay Kumar
** attachment:KaonLT_Meeting_May_18.pdf
635
* Vijay
636 546 Vijay Kumar
** Raster checks of the summer 2019 data. attachment:Raster_check_summer19.pdf
637 547 Ali Usman
** I checked the Raster for the summer 2019 data. It looks ok to me. I did not see any slightly tilting issues that Ali saw earlier.
638
** I do not think that we will need to make any changes to the Raster in the summer 2019 data. 
639 548 Richard Trotta
** Please check the attached file and let me know if you have any concerns of the study. 
640
* Richard
641
** attachment:hms_regression_current_carbon.pdf ,attachment:hms_regression_rate_carbon.pdf , attachment:shms_regression_current_carbon.pdf , attachment:shms_regression_rate_carbon.pdf
642 547 Ali Usman
** I did a least square linear regression on all the luminosity data. There is a good consistency between all data settings and even HMS and SHMS.
643 544 Vijay Kumar
644
---
645 538 Vijay Kumar
646
h3. May 11, 2023
647 543 Garth Huber
648 541 Richard Trotta
* Dave's Notes attachment:mtg_23may11.txt
649 539 Richard Trotta
* Richard
650
** attachment:KaonLTMeeting5_11_23.pdf
651 538 Vijay Kumar
** Carlos and I found the error in the HMS scaler rate and slope. I was previously doing some testing of ELREAL vs ELCLEAN and I never reverted my testing from ELCLEAN. Once I changed the variable back to ELREAL, the rates and trends match.
652
* Vijay
653
** HMS Calorimeter efficiency study. attachment:Vijay_May11_2023.pdf
654
** It looks like the efficiency is less from the production data (Q2 = 0.38 GeV2, High e).
655
** I'll take a look at the heep coin data in this run period of the experiment and get the efficiency. 
656 547 Ali Usman
** Hopefully that's number, the efficiency from heep coin data, will be reliable to correct the inefficiency of the detector and correct the data run by run.
657
658
* Ali
659
** Raster Y sign test. Original sign was working fine.
660 1 Richard Trotta
** attachment:KaonLT_Meeting_May_11.pdf
661 558 Alicia Postuma
662
* Alicia
663 560 Alicia Postuma
** Updates on BSA analysis
664 558 Alicia Postuma
** attachment:Asymmetry_Postuma_May1.pdf
665 538 Vijay Kumar
666
---
667 535 Richard Trotta
668
h3. May 4, 2023
669 536 Garth Huber
670 535 Richard Trotta
* Garth's Notes attachment:mtg_23may04.txt
671
* Richard
672
** attachment:KaonLTMeeting5_4_23.pdf
673
** Most of the bad runs have been resolved although there are still a few issues I am sorting out. I also have some plots of the boiling corrections that need to be updated.
674
** I talked with Jacob last week and he checked my luminosity calculations and they seem fine. Carlos and I are meeting tomorrow at 11 am to try and figure out our discrepancies.
675 557 Alicia Postuma
** Found a possible cut issue with the proton peak where cuts were not being properly applied. This is still early in checks.
676
677
* Ali
678
** BPM calibration check. Using new file for Spring 2019 data.
679 559 Alicia Postuma
** attachment:KaonLT_Meeting_May_4.pdf
680
681
* Alicia
682 535 Richard Trotta
** Missing mass by bins - added SIMC: attachment:mm_simcdata1.pdf
683
684
---
685 532 Vijay Kumar
686
h3. April 27, 2023
687 534 Garth Huber
688 532 Vijay Kumar
* Garth/Stephen Notes attachment:mtg_23apr27.txt
689 533 Richard Trotta
* Vijay
690
** Updates of the analysis are attached. attachment:Vijay_Apr27_2023.pdf
691
* Richard
692
** attachment:KaonLTMeeting4_27_23.pdf
693
** There are still issues with the TLT for some carbon lumi runs. Jacob and I are meeting tomorrow to discuss things.
694 532 Vijay Kumar
** Pion subtraction have improved things a lot, but there seems to be issues with the proton subtraction. Adjusted cuts are rerunning and will hopefully help.
695
 
696
---
697 529 Garth Huber
698
h3. April 20, 2023
699
700 530 Nathan Heinrich
* Garth/Stephen Notes attachment:mtg_23apr20.txt
701
* Nathan - Presented updates on the aerogel calibration. attachment:AerogelCalib_2023-04-20.pdf
702 531 Nathan Heinrich
** looks like the calibration has significantly improved the separation between signal and zeros.
703 529 Garth Huber
** for completeness here are all the presentations that Petr gave on the aerogel calibration. attachment:presentation-2020-09-23-kaonlt.pdf attachment:presentation-2020-09-23-kaonlt-summary.pdf
704
705
---
706 523 Ali Usman
707 1 Richard Trotta
h3. April 13, 2023
708 528 Garth Huber
709 524 Vijay Kumar
* Garth's Notes attachment:mtg_23apr13.txt
710
* Vijay
711 523 Ali Usman
** The details of the update are attached here. attachment:Vijay_Apr13_2023.pdf
712
* Ali
713
** Pion PID study for high Q2 KaonLT data.
714
** Spring 2019 data (low e) attachment:KaonLT_Meeting_Apr_13.pdf
715
716
---
717 519 Richard Trotta
718 514 Vijay Kumar
h3. April 6, 2023
719 527 Garth Huber
720 517 Richard Trotta
* Garth/Stephen Notes attachment:mtg_23apr06.txt
721
* Richard
722 518 Richard Trotta
** attachment:KaonLTMeeting4_6_23.pdf
723
** "10p6 c #1":https://redmine.jlab.org/attachments/1841 "10p6 LH2 #1":https://redmine.jlab.org/attachments/1843
724
** "10p6 c #2":https://redmine.jlab.org/attachments/1840 "10p6 LH2 #2":https://redmine.jlab.org/attachments/1844
725
** "10p6 c #3":https://redmine.jlab.org/attachments/1842 "10p6 LH2 #3":https://redmine.jlab.org/attachments/1845
726 517 Richard Trotta
** "8p2 c #1":https://redmine.jlab.org/attachments/1838 "8p2 LH2 #1":https://redmine.jlab.org/attachments/1839
727 521 Richard Trotta
** Luminosity plots are looking pretty good for LH2 and Carbon. There are a few runs with really bad TLT that need to be resolved.
728 517 Richard Trotta
** I still need to meet with Carlos to figure out HMS scaler issue.
729
** In the process of subtracting proton events from MM for kaon to try and clean up the right setting (update next week).
730
731
---
732
733
h3. March 30, 2023
734 515 Garth Huber
735 514 Vijay Kumar
* Garth/Stephen Notes attachment:mtg_23mar30.txt
736
* Vijay
737
** Switched the pion routine in SIMC for the pion cross-section.
738
** Re-ran SIMC to simulate the p(e, e’π+)n reaction for all the settings of Q2 = 0.38 GeV2 data.
739
** More details are in the talk. attachment:Vijay_KaonLT_meeting_Mar30_2023.pdf
740
741
---
742 510 Ali Usman
743
h3. March 23, 2023
744 513 Garth Huber
745
* Garth's Notes attachment:mtg_23mar23.txt
746
* Carlos
747
** relative yields rate dependence
748
https://hallcweb.jlab.org/DocDB/0012/001209/001/rate_dependence_slides_cyero_Mar09_2023.pdf
749
** event types definitions
750 510 Ali Usman
https://hallcweb.jlab.org/DocDB/0012/001208/001/event_type_definitions_COIN_DAQ_cyero_Mar16_2023.pdf
751
* Ali
752 512 Richard Trotta
** Pion PID study for high Q2 data. This update shows Q2 = 2.1, low e (center) setting. attachment:KaonLT_Meeting_Mar_23.pdf
753 511 Richard Trotta
* Richard
754
** attachment:
755
** Carlos and I discussed some oddities in a comparison of our lumi scaler results for the HMS.
756
** "Added quick script to check cuts applied in ltsep python package.":https://github.com/JeffersonLab/UTIL_KAONLT/blob/spring_2022/check_cuts.sh This requires the most update version of the ltsep package, but can be easily downgraded. (just let me know if interested)
757
** Alicia, Ali, and I are meeting tomorrow at 2:30 to discuss the odd right setting peaks.
758 510 Ali Usman
759
---
760 506 Richard Trotta
761
h3. March 16, 2023
762 516 Garth Huber
763 506 Richard Trotta
* Garth/Stephen Notes attachment:mtg_23mar16.txt
764 507 Richard Trotta
* Richard
765 506 Richard Trotta
** attachment:KaonLT_Meeting_3_16_23.pdf
766
** Carlos has been working on the rate dependence issue for the luminosity scans that Casey and I have been seeing. He came to a similar conclusion as me that there will need to be a correction factor that we all agree on that will need to be applied. We are meeting on Monday to discuss things further. "See his slides on the docDB":https://hallcweb.jlab.org/doc-private/ShowDocument?docid=1206
767 509 Nathan Heinrich
** I think I have tracked down the odd issues with right setting that I have been seeing for most energies. I am not sure why, but it seems that something is going wrong with the replays. I tried rerunning them, but the issue has persisted. My initial guess is that it may be an issue with the TDC cuts, since the coin time distributions were looking off previously. 
768
* Nathan
769 506 Richard Trotta
** presented recent updates on the Aerogel calibration: attachment:AerogelCalib_2023-03-16.pdf
770
** will make multiple calibrations based on PMT4+ dependance
771
772 501 Garth Huber
---
773 1 Richard Trotta
774 501 Garth Huber
h3. March 09, 2023
775 513 Garth Huber
776 504 Garth Huber
* Garth/Stephen Notes attachment:mtg_23mar09.txt
777 505 Garth Huber
* Nathan
778 503 Garth Huber
** Presented the an update to the aerogel calibration, including a 3 year old presentation from Petr
779 501 Garth Huber
*** presentation attachment:presentation-2020-09-23-kaonlt-summary.pdf
780
** Also working on the anomalous LD- setting. Things not making sense. Requesting back up.
781
782 1 Richard Trotta
---
783 490 Vijay Kumar
784
h3. March 02, 2023
785 513 Garth Huber
786 494 Richard Trotta
* Garth's Notes attachment:mtg_23mar02.txt
787 495 Richard Trotta
* Richard
788 497 Richard Trotta
** attachment:KaonLTMeeting3_2_23.pdf
789 498 Richard Trotta
** Heep SIMC to hcana script is working for missing momentum and energy variables. "Heep 10p6":https://redmine.jlab.org/attachments/1763 "Heep 8p2":https://redmine.jlab.org/attachments/1759 "Heep 6p2":https://redmine.jlab.org/attachments/1760 "Heep 4p9":https://redmine.jlab.org/attachments/1762 "Heep 3p8":https://redmine.jlab.org/attachments/1761
790 494 Richard Trotta
** Fortran scripts for finding average kinematic values and cross sections is working. "Q2=5.5, W=3.02, high eps":https://redmine.jlab.org/attachments/1767 "Q2=5.5, W=3.02, low eps":https://redmine.jlab.org/attachments/1766
791 490 Vijay Kumar
** My yield ratios are looking a very weird, more investigation is required. "Ratio and xsects for Q2=5.5, W=3.02, low eps":https://redmine.jlab.org/attachments/1765
792
* Vijay
793
** MMpi cut updated.
794
** 8th t-bin adjusted.
795 492 Vijay Kumar
** Events per t-bin calculated for each epsilon setting.
796 490 Vijay Kumar
** Experimental Yield calculation in each bin is done.
797 478 Richard Trotta
** More details of the update are in the slides. attachment:KaonLT_meeting_March02_2023.pdf
798 1 Richard Trotta
799 478 Richard Trotta
---
800 488 Ali Usman
801
h3. Feb 23, 2023
802 513 Garth Huber
803 488 Ali Usman
* Garth/Stephen Notes  attachment:mtg_23feb23.txt
804
* Ali
805
** Update on HMS Cherenkov and Calorimeter efficiency study. attachment:KaonLT_Meeting_Feb_23.pdf
806 1 Richard Trotta
** Looking at wide range of Heep Singles settings from KaonLT data (primarily low e data).
807 488 Ali Usman
808
---
809 486 Vijay Kumar
810
h3. Feb 16, 2023
811 513 Garth Huber
812 484 Vijay Kumar
* Garth/Stephen Notes attachment:mtg_23feb16.txt
813
* Vijay
814
** Updated the diamond cut for Q2 = 0.38 GeV2 data.
815
** t resolution checked from the center setting of SIMC at low epsilon.
816
** Binned the data in t (total 8 bins).
817
** t resolution checked for each t bin too.
818 485 Vijay Kumar
** Working to bin the data in Phi (16 bins).
819 484 Vijay Kumar
** Working to make the Fortran scripts (average_ratios.f, average_kinematics.f & calc_xsect.f) for the summer 2019 data. attachment:KaonLT_meeting_Feb16_2023.pdf
820
821
822
---
823 481 Ali Usman
824
h3. Feb 9, 2023
825 483 Garth Huber
826 481 Ali Usman
* Garth/Stephen Notes attachment:mtg_23feb09.txt
827
* Ali
828
** attachment:KaonLT_Meeting_Feb_09.pdf
829 478 Richard Trotta
** HMS Cerenkov and Calorimeter Study for different kinematics settings.
830
* Richard
831
** attachment:KaonLTMeeting2_9_23.pdf
832 479 Richard Trotta
** Fixed the odd right distribution for Q2=5.5 by applying more strict cointime cuts.
833 326 Garth Huber
** SIMC c++ code is finishing up. It currently just updates pmx, pmy, pmz, pm, and em with the hcana version of calculations. Angles will be the next step once things are finished up.
834 405 Vijay Kumar
835 1 Richard Trotta
---
836 474 Vijay Kumar
837
h3. Feb 2, 2023
838 476 Garth Huber
839 475 Richard Trotta
* Garth/Stephen Notes attachment:mtg_23feb02.txt
840
* Richard
841
** attachment:KaonLTMeeting2_2_23.pdf
842
** The simc portion of the LT_analysis code is working but there is a bug I am sorting out which produces incorrect plots
843
** During a discussion Ali, Vijay, and I had, it was realized that another script is likely missing which I will discuss with Bill. This script is one that combines the phi settings for the fortran code.
844 474 Vijay Kumar
** Dave and I met to go over the fixed variable implementation in SIMC. We fixed a few issues which I am in the process of fixing.
845
* Vijay
846 477 Alicia Postuma
** Update from the analyzed low epsilon data of Q2 = 0.38 GeV2. attachment:KaonLT_meeting_Feb2_2023.pdf
847
* Alicia
848
** Preliminary asymmetry results: Q2=3/W=2.32, Q2=4.4/W=2.74, Q2=2.115/W=2.95, aluminum
849
** attachment:Asymmetry_Postuma_Feb2.pdf
850 474 Vijay Kumar
851
852
---
853 469 Richard Trotta
854
h3. Jan 26, 2023
855 473 Garth Huber
856 469 Richard Trotta
* Stephen's Notes attachment:mtg_23jan26.txt
857
* Richard
858
** attachment:KaonLTMeeting1_26_23.pdf attachment:FullAnalysis_Q5p5W3p02_highe.pdf
859
** LT_analysis script is finishing up. I have the SIMC portion just about working now. I have some other things I am adding because of my conversation with Bill last week.
860 470 Nathan Heinrich
** SIMC vs Data plots for Q2=5p5 show a very small SIMC. Need to investigate further.
861
* Nathan
862
** attachment:RefTimes_Update_2023-01-26.pdf 
863
** Asked Carlos Yero about the cointime ref times, he sent me an older email chain attachment:ref_times_email_exchange.txt
864
*** only SHMS variables are used.
865 471 Nathan Heinrich
** Presented ref times plots, and suggested cuts.
866
*** Cuts are already set up and pull request is sent to LTSep_Analysis_2022 branch
867 469 Richard Trotta
868
---
869 458 Richard Trotta
870
h3. Jan 19, 2023
871 467 Garth Huber
872 462 Ali Usman
* Garth/Stephen Notes  attachment:mtg_23jan19.txt
873
* Ali
874 460 Vijay Kumar
** Looking at HMS Calorimeter and Cherenkov Efficiency and PID. attachment:KaonLT_Meeting_Jan_19.pdf
875
* Vijay
876
** attachment:Vijay_Jan19_2023.pdf
877 464 Alicia Postuma
** Trying to understand the pion cross-section across the acceptance. 
878
* Alicia
879
** attachment:Asymmetry_Postuma_Updates-6.pdf
880
** Added dummy target subtraction to asymmetry calculation
881
** Discussed fitting to extract cross-section ratio
882 458 Richard Trotta
** Requested: details on error calculations: attachment:Asymmetry_Errors.pdf
883
* Richard
884
** attachment:KaonLTMeeting1_19_23.pdf
885
** Implemented Jacob's diamond cut script into the setup before Bill's code. This also does the t-binning as well.
886 461 Nathan Heinrich
** There was missing code for the SIMC implementation which has been found. I am meeting with Bill tomorrow 1/20 to discuss this implementation. Once this is complete, everything is in place to run the Fortran code to get average kinematics and unsep cross sections.
887 468 Garth Huber
* Nathan
888 461 Nathan Heinrich
** Started working on reference times
889
** has some extra peaks in some runs
890 1 Richard Trotta
*** Should be explained by the triggers on in each run
891 468 Garth Huber
** attachment:RefTimes_Update_2023-01-19.pdf
892
893 458 Richard Trotta
----
894 453 Ali Usman
895
h3. Jan 4, 2023
896 457 Garth Huber
897 453 Ali Usman
* Garth's Notes attachment:mtg_23jan04.txt
898
* Ali
899 1 Richard Trotta
** attachment:Jan4_KLT_Meeting.pdf
900 458 Richard Trotta
** All Kaon_LT data has been replayed over the holidays. Slide show list of major changes for the replay.
901
902 459 Richard Trotta
---
903 458 Richard Trotta
904 454 Ali Usman
h2. 2022 Meetings
905 453 Ali Usman
906
---
907 450 Richard Trotta
908
h3. Dec 21, 2022
909 457 Garth Huber
910 450 Richard Trotta
* Garth/Stephen Notes attachment:mtg_22dec21.txt
911 451 Richard Trotta
* Richard
912 450 Richard Trotta
** attachment:KaonLTMeeting12_21_22.pdf
913
** SIMC code was updated to match what is in hcana, using hcana and parts of Carlos' code as a template. Things do not look right though. 
914
** We are a month behind at this point and Bill has finally responded to my questions so I am going to fully concentrate on getting cross sections before the Hall C collaboration meeting in January so that Nathan can present them. I am setting a soft deadline of January 6th to get him early results but will continue to push for cross sections by the talk.
915
916
---
917 449 Garth Huber
918
h3. Dec 14, 2022
919 457 Garth Huber
920 449 Garth Huber
* Garth/Stephen Notes attachment:mtg_22dec14.txt
921
922
---
923 442 Richard Trotta
924 440 Ali Usman
h3. Dec 7, 2022
925 457 Garth Huber
926 440 Ali Usman
* Garth/Stephen Notes attachment:mtg_22dec07.txt
927 442 Richard Trotta
* Ali
928 443 Richard Trotta
** New error calculation (binomial) for efficiencies and Live Times. attachment:KaonLT_Dec_5.pdf
929 446 Richard Trotta
* Richard
930 443 Richard Trotta
** "Q2=3.0, W=3.14, lowe":https://redmine.jlab.org/attachments/1707 "Q2=5.5, W=3.02, lowe":https://redmine.jlab.org/attachments/1708 "Q2=4.4, W=2.74, lowe":https://redmine.jlab.org/attachments/1709 "Q2=4.4, W=2.74, highe":https://redmine.jlab.org/attachments/1710 "Q2=5.5, W=3.02, highe":https://redmine.jlab.org/attachments/1711 "Q2=3.0, W=3.14, highe":https://redmine.jlab.org/attachments/1712
931
** A new subroutine has been added for the hcana variable calculations in SIMC, this is ongoing.
932
** Plots of right/left/center for each physics setting have been added, including efficiencies and t-bin plots (no diamond cuts yet!). These plots show the input to Bill's code for comparison. These need to be updated with Ali's updates so a new set of replays will need to be analyzed.
933 448 Alicia Postuma
** Bill is doing a write-up with some questions I had which will hopefully fix the remaining issues I've been having with his code.
934 440 Ali Usman
* Alicia: attachment:Asymmetry_Postuma_Dec07.pdf
935
936
---
937 439 Garth Huber
938
h3. Nov 30, 2022
939
940
* Garth/Stephen Notes attachment:mtg_22nov30.txt
941
942
---
943 437 Garth Huber
944
h3. Nov 23, 2022
945
946 438 Alicia Postuma
* Garth/Stephen Notes attachment:mtg_22nov23.txt
947 437 Garth Huber
* Alicia asymmetry update attachment:Asymmetry_Postuma_Updates.pdf
948
949
---
950 424 Richard Trotta
951
h3. Nov 16, 2022
952 435 Garth Huber
953 424 Richard Trotta
* Garth/Stephen Notes attachment:mtg_22nov16.txt
954 428 Richard Trotta
* Richard
955
** "8p2 LH2":https://redmine.jlab.org/attachments/1684 "8p2 C":https://redmine.jlab.org/attachments/1685
956 424 Richard Trotta
** "10p6 C 2":https://redmine.jlab.org/attachments/1686 "10p6 C 1":https://redmine.jlab.org/attachments/1687 "10p6 LH2 1":https://redmine.jlab.org/attachments/1688 "10p6 C 3":https://redmine.jlab.org/attachments/1689 "10p6 LH2 2":https://redmine.jlab.org/attachments/1690 "10p6 LH2 3":https://redmine.jlab.org/attachments/1691
957
** Fits for lumi scans look great for HMS across the board. SHMS no track also look pretty good but tracking still needs work. Ali has adjusted the tracking parameters in the replay which should help things. Signs of boiling are also now evident in HMS for some runs.
958
** Odd issue with the yields going on that I need to discuss with Bill. It seems to be a cut discrepancy that is eliminating events, I may be missing a cut that he has hidden somewhere. Besides this, the cross-section code is being edited for HeeP so we can get some cross-section plots on this soon.
959 429 Richard Trotta
** I found a script for raster calibrations. The script is being fixed as it is currently a bit of a mess.
960 430 Stephen Kay
** https://redmine.jlab.org/projects/kltexp/wiki/Hall_C_Raster_Algorithm
961
* Stephen
962
** Updates to the hcana RFTime class
963
** Added in particle dependent corrections for e/pi/K/p for each spectrometer
964
*** Calculate beta for each particle type (from momentum, delta)
965
*** Determine path length from xptar and delta
966
*** Calculate ToF
967
*** Add this in modulo that determines RFtime
968
*** Tried method Shuo used initially, didn't really do anything
969 433 Stephen Kay
** Some further updates needed before it will be pushed to the hallc repo
970
** "Slides":https://redmine.jlab.org/attachments/1694 
971
** "RF corrections applied exactly as Shuo applied them":https://redmine.jlab.org/attachments/1696 "RF corrections determined as Shuo did, but applied inside the modulo fn":https://redmine.jlab.org/attachments/1697 
972 436 Garth Huber
** "RF correction simply the ToF added in the modulo fn, seems to work":https://redmine.jlab.org/attachments/1695
973
* Vijay (presented by GH)
974 424 Richard Trotta
** low Q2 attachment:CPULT_lowQ2.png attachment:TLT_lowQ2.png attachment:ELT_lowQ2.png
975
976
---
977 420 Vijay Kumar
978
h3. Nov 09, 2022
979 421 Garth Huber
980 422 Garth Huber
* Garth/Stephen Notes attachment:mtg_22nov09.txt
981 423 Garth Huber
* Bill (Wenliang) Li L/T-separation code tutorial.
982 420 Vijay Kumar
** Video recording is posted at: http://lichen.phys.uregina.ca/~huberg/kaon/LT_tutorial_20221109_1920x1080.mp4
983
* Vijay
984
** The scaler Yield looks very nice at 2.7 GeV PionLT data. Below 10 uA could be fixed by placing some of the offsets in the BCM calibration. attachment:Vijay_LumiStuy.pdf 
985
986
---
987 405 Vijay Kumar
988
h3. Nov 2, 2022
989 416 Garth Huber
990 405 Vijay Kumar
* Garth/Stephen notes attachment:mtg_22nov02.txt
991 406 Vijay Kumar
* Vijay
992 1 Richard Trotta
** The first round of the Lumi study in 2.7 GeV data of the PionLT experiment was preceded. The plots are attached, but I do not have any conclusions for now. Please see the attachment.
993 419 Vijay Kumar
attachment:Vijay_REYIELD_2p7C.pdf 
994 411 Ali Usman
  
995
* Ali
996 412 Ali Usman
** Heep Coin Offset study using Peter Bosted's correction factor for HMS central momenta. The results from 8.2 and 10.6 GeV improved after applying the offset whereas 6.2 over corrects the distributions as they are already looking good with no offset. Data and SIMC comparison look very good for W distribution but doesn't perfectly match for missing variables.
997 418 Jacob Murphy
attachment:KaonLT_Meeting_Nov_2.pdf
998
* Jacob
999
** Regarding Ali's work on the Pc offsets at high momentum, I referenced the delta corrections I made early last year. In EPICS, the NMR did not appear to be locked and in the middle of the scan, the NMR was changed. Slide 15 has the offsets to the central momentum, Pc.
1000 413 Richard Trotta
attachment:HMS_Optimization_at_High_Momentum.pdf
1001 427 Richard Trotta
* Richard
1002 426 Richard Trotta
** "6p2 C":https://redmine.jlab.org/attachments/1658 "6p2 LH2":https://redmine.jlab.org/attachments/1659
1003 413 Richard Trotta
** "10p6 C 1":https://redmine.jlab.org/attachments/1662 "10p6 C 2":https://redmine.jlab.org/attachments/1663 "10p6 C 3":https://redmine.jlab.org/attachments/1664 "10p6 LH2 1":https://redmine.jlab.org/attachments/1665 "10p6 LH2 2":https://redmine.jlab.org/attachments/1666 "10p6 LH2 3":https://redmine.jlab.org/attachments/1667
1004
** Luminosities are looking very nice. These now include the ones Peter pointed out that were taken during SIDIS. Nearly all e-e runs are under 5%.
1005
** I have debugged all of the issues I was having with Bill's code. I am now in the process of merging the two frameworks which is mainly just making names, conventions, etc. consistent.
1006
** I have been writing up some questions for Bill next week when he presents. I'd like to also have these two frameworks pretty much merged by then.
1007 405 Vijay Kumar
1008 325 Garth Huber
 
1009 346 Richard Trotta
----
1010 403 Garth Huber
1011
h3. Oct 26, 2022
1012
1013
* DaveG notes attachment:mtg_22oct26.txt
1014
1015
----
1016 402 Garth Huber
1017 1 Richard Trotta
h3. Oct 19, 2022
1018 402 Garth Huber
1019 401 Richard Trotta
* Garth/Stephen notes attachment:mtg_22oct19.txt
1020
* Richard
1021
** The trend in the SHMS track yields is still present in the positive polarity luminosity runs.
1022
** Talk for the Hall C Quarterly meeting was discussed. 
1023
1024
----
1025 400 Garth Huber
1026
h3. Oct 12, 2022
1027
1028
* Garth/Stephen notes attachment:mtg_22oct12.txt
1029
1030
----
1031 397 Richard Trotta
1032
h3. Oct 4, 2022
1033 399 Garth Huber
1034 397 Richard Trotta
* Garth/Stephen notes attachment:mtg_22oct05.txt
1035
* Richard
1036
** attachment:KaonLTMeeting10_4_22.pdf
1037
** Fixed some issues with the luminosity scripts with updated replay and analysis script. The biggest issue was the really low beam on times which came from BCM4a being called by accident in some cases instead of BCM1.
1038
*** It should be noted, there are huge discrepancies between BCM4A and BCM1 in some cases (like 20+ uA).
1039
** Ran into some issues with the cross-section code. I am in debug mode trying to find the cause.
1040
** Tanja sent me some awesome fpi2 raster correction documents as well as procedures for verifying the beam and target positions. I am in the process of reading through/beginning these procedures. A Redmine wiki page will be linked when completed.
1041
1042
----
1043 393 Garth Huber
1044
h3. Sept 28, 2022
1045 394 Garth Huber
1046
* Garth/Stephen notes attachment:mtg_22sep28.txt
1047 396 Jacob Murphy
* Jacob
1048 394 Garth Huber
** HMS optics fitting - attachment:HMS_Optics_Calibrations_Update.pdf
1049 393 Garth Huber
1050
----
1051 382 Garth Huber
1052
h3. Sept 21, 2022
1053 392 Garth Huber
1054 389 Richard Trotta
* Garth/Stephen notes attachment:mtg_22sep21.txt
1055
* Richard
1056
** attachment:Yield_6p2cl1.pdf attachment:Yield_10p6cl2.pdf attachment:Yield_10p6cl1.pdf
1057 390 Richard Trotta
** Lumi SHMS tracking is still showing the trend from 9/8. It was found that the lumi replay script is not updated with many of Ali and Richard's most recent changes. These changes are being applied and a set of new replays will be done.
1058
** Bill's cross-section code is broken into two major parts. The root analysis part, which takes all the yields, uncertainties, etc., is nearly complete with the connecting ltsep framework script finishing up. The second part, where many of the final plots and cross-sections are done, is a hard-coded mess. Richard is in the process of making this more dynamic. This aspect will take more time but the root analysis part is the bulk of the analysis anyways.
1059
* Ali
1060 391 Ali Usman
** attachment:Ali_Sep21_Analysis.pdf
1061 389 Richard Trotta
** Heep Coin analysis for high Q2 KaonLT data (6.2, 8.2, 10.6 GeV beam energy) has now all the efficiencies/live times applied. The results for all 3 beam energies are looking very good. Data/SIMC ratios are agreeing very well (< 3%) and the shapes are matching up nicely. Next step is to finalize offsets for both low and high Q2 KaonLT data. Also proton absorption correction and target boiling needs to be applied.
1062 382 Garth Huber
1063
----
1064 379 Garth Huber
1065
h3. Sept 8, 2022
1066 382 Garth Huber
1067 383 Ali Usman
* Garth/Stephen Notes attachment:mtg_22sep08.txt
1068
* Ali
1069 386 Ali Usman
** attachment:Sep8_Analysis.pdf
1070 384 Ali Usman
** Heep Coin Analysis update. Fixed the issue with emiss and pmiss. Includes number of debug tests.
1071 387 Ali Usman
** attachment:FullAnalysis_4p9-2.pdf attachment:FullAnalysis_8p2.pdf attachment:FullAnalysis_6p2.pdf attachment:FullAnalysis_3p8-1.pdf attachment:FullAnalysis_10p6-1.pdf
1072 380 Richard Trotta
** Full analysis files are the latest data/simc comparison for different beam energies (No offsets applied yet) 
1073
* Richard
1074 381 Richard Trotta
** attachment:KaonLTMeeting9_8_22.pdf
1075 380 Richard Trotta
** attachment:Yield_6p2_l1_all.pdf attachment:Yield_10p6_l1_all.pdf attachment:Yield_10p6_l2_all.pdf
1076
** Improved total uncertainties
1077
** In-depth with tracking cut analysis underway
1078
** Poor TLT consistent with poor CPULTs
1079 379 Garth Huber
1080
----
1081 371 Garth Huber
1082
h3. Aug 31, 2022
1083 379 Garth Huber
1084 378 Richard Trotta
* Garth/Stephen Notes attachment:mtg_22aug31.txt
1085
* Richard
1086
** attachment:KaonLTMeeting8_31_22.pdf
1087
** Improvements to luminosity analysis. Things are getting within a few percent. There are still some obvious issues with dependency leaking into the cuts, especially for tracking which is being investigated further.
1088
** Uncertainties for the luminosities and heep are next up.
1089 371 Garth Huber
1090
----
1091 374 Garth Huber
1092 1 Richard Trotta
h3. Aug 26, 2022
1093 375 Garth Huber
1094 374 Garth Huber
* Meeting on L/T-separation procedure
1095
** Garth's slides attachment:LT_sep_iterations.pdf
1096 377 Garth Huber
** Bill's tutorial (Nov 2018) attachment:Kaon_LT_tutorial_18nov28.pdf
1097 395 Garth Huber
** Stephen's notes attachment:LTsep_mtg_22aug26.txt
1098 373 Garth Huber
** Recording of Sept 27 repeat at: http://lichen.phys.uregina.ca/~huberg/kaon/LT_tutorial_20220927_1920x1080.mp4
1099
1100 372 Garth Huber
----
1101 366 Garth Huber
1102 368 Vijay Kumar
h3. Aug 17, 2022
1103 371 Garth Huber
1104 367 Vijay Kumar
* Garth/Stephen Notes attachment:mtg_22aug17.txt
1105 369 Vijay Kumar
* Vijay
1106 367 Vijay Kumar
** The summary of the Heepcheck study is attached here. attachment:Vijay_Aug17_2022.pdf 
1107 370 Richard Trotta
** 3.6 and 3.9 GeV data do NOT have the angle offsets. This has been established in the study.
1108
** I've plotted the offsets vs SHMS central momentum. Plots are attached in the attached pdf file.
1109
* Richard
1110
** The 10.6 GeV heep analysis is going well but the broad momentum distributions are making offsets difficult at times.
1111
** I have decided to give a second pair of eyes to Ali's hcana vs simc calculation investigation. It is concluded that the broad peaks of the hcana are likely caused by the secondary particle calculation which is gathered from the spectrometer track info. 
1112
** Corrections to the simc pmiss components have been added to the fortran code which corrects for a minus sign that is in hcana but missing from simc.
1113
** attachment:FullAnalysis_Offset_10p6.pdf
1114 367 Vijay Kumar
** attachment:HcanavSimc_scatter_calc.pdf
1115 366 Garth Huber
 
1116
1117
---
1118 354 Garth Huber
1119
h3. Aug 4, 2022
1120 365 Garth Huber
1121 363 Vijay Kumar
* Garth/Stephen Notes attachment:mtg_22aug04.txt
1122
* Vijay
1123 362 Richard Trotta
** The offset HeepCheck study at 3.9, 4.9 (KaonLT), 2.7, 3.6 and 4.5 (PionLT) GeV has been completed. attachment:Vijay_HeepCheckStudy.pdf  
1124
* Richard
1125
** attachment:KaonLTMeeting_8_4_22.pdf
1126
** HeeP coin for 10p6 setting is looking pretty good. I still need to make some minor adjustments.
1127
** TLT for Lumi is looking much better. The yields also are looking better but cut adjustments need to be made.
1128
** HeeP singles have some odd issues that need to be resolved before offset analysis can begin.
1129 355 Garth Huber
** Hodoscope calibrations are all done except 6p2.
1130 354 Garth Huber
1131
---
1132 350 Richard Trotta
1133
h3. July 14, 2022
1134 353 Garth Huber
1135 350 Richard Trotta
* Garth/Stephen Notes attachment:mtg_22jul14.txt
1136
* Richard
1137
** attachment:KaonLTMeeting7_14_22.pdf
1138 1 Richard Trotta
** The W peaks for SIMC and data are very far offset from one another. This is being investigated.
1139 350 Richard Trotta
* Vijay
1140 349 Garth Huber
** Heep Data MC comparo w/o offsets attachment:Heep_coin_no_offsets_vijay_22jul08.pdf
1141
1142
----
1143 344 Richard Trotta
1144
h3. June 28, 2022
1145 349 Garth Huber
1146 344 Richard Trotta
* Garth/Stephen Notes attachment:mtg_22jun28.txt
1147
* Richard
1148
** Aerogel XY plots vs NPE to check out the tray location and efficiencies.
1149
** Hodoscope and calorimeter scripts working. Hodoscope calibration looks good for 10p6 but needs improvement for other beam energies.
1150 1 Richard Trotta
** HGCer efficiency and plots added to efficiency script. Need to discuss with Vijay on specifics of cuts and efficiencies.
1151 348 Jacob Murphy
** Started looking in detail at Bill's code. Some scripts and links are missing/broken.
1152
* Jacob
1153
** EDTM Study Report completed, with newer versions of the TLT equations attachment:EDTM_Study_Report.pdf
1154 347 Richard Trotta
** Graphical Guide for Event Types created to accompany the report, illustrating prescaling with EDTM attachment:Graphical_Guide_Evt_Type.pdf
1155 344 Richard Trotta
** Plan to update report file template with new equations and errors soon
1156
1157 282 Vijay Kumar
----
1158 338 Garth Huber
1159
h3. June 14, 2022
1160 343 Garth Huber
1161 342 Richard Trotta
* Garth's Notes attachment:efficiencies_22jun13.txt
1162
* Richard
1163
** Fixed issues with simc script and 10p6 Heepcoin data. Issue with data was an offset of 40ns that was corrected halfway through runs.
1164
** Aerogel XY plots vs NPE to check out the tray location and efficiencies.
1165
** Efficiency plots for all production runs.
1166 338 Garth Huber
** attachment:KaonLTMeeting6_14_22.pdf
1167
1168
----
1169 1 Richard Trotta
1170 330 Garth Huber
h3. May 31, 2022
1171
1172 340 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may31.txt attachment:efficiencies_22jun02.txt
1173 332 Vijay Kumar
* Vijay 
1174 334 Ali Usman
** The updated Heep coin study (Heepcheck program) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting_May31_2022.pdf .
1175 355 Garth Huber
* Ali
1176 332 Vijay Kumar
** First look at the HEEP COIN Data/SIMC comparison for the 8.2 GeV Kaon-LT data attachment:KaonLT_May31.pdf
1177 314 Garth Huber
1178
----
1179
1180
h3. May 17, 2022
1181 325 Garth Huber
1182 331 Garth Huber
1183 318 Richard Trotta
* Garth and Stephen's Notes attachment:mtg_22may17.txt attachment:efficiencies_22may25.txt
1184
* Richard
1185
** Updated heep coin scripts for the farm. Ali is testing them and should be able to get plots soon.
1186
** There was a small typo in the simc input file that dramatically changed the shape of the plots. attachment:KaonLTMeeting5_17_22.pdf
1187 316 Vijay Kumar
** Updated version of efficiency columns for the script that will grab efficiencies and various other values. attachment:efficiency_output_list.docx
1188
* Vijay 
1189 317 Vijay Kumar
** The updated heep coin study (some spectrometers offsets changed) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting.pdf .
1190 314 Garth Huber
1191
----
1192 299 Garth Huber
1193 303 Vijay Kumar
h3. May 3, 2022
1194 315 Garth Huber
1195 308 Ali Usman
* Garth and Stephen's Notes attachment:mtg_22may03.odt  attachment:efficiencies_22may03.odt
1196
* Ali
1197
** Fixed all the settings for high Q2 KaonLT data. Also slide on accessing spectrometer angles from CODA
1198 309 Richard Trotta
** attachment:KaonLT_May_3.pdf
1199 312 Richard Trotta
* Richard
1200 302 Vijay Kumar
** Analysis of 10.6 GeV heep data. Need to scale data to see how they compare with SIMC for smaller offsets. attachment:KaonLTMeeting5_3_22.pdf
1201 304 Vijay Kumar
* Vijay 
1202 305 Vijay Kumar
** The SIMC simulation study of the PinoLT data at Q2 = 0.38 and 0.42 GeV2 has completed (preliminary) for all settings.
1203 299 Garth Huber
** An output pdf file of the 4.5 GeV, Q2 = 0.42 GeV2 and "center" setting is here attachment:Vijay_analysis_May3_2022.pdf .
1204 300 Garth Huber
1205
----
1206 296 Vijay Kumar
1207 299 Garth Huber
h3. April 19, 2022
1208
1209 1 Richard Trotta
* Garth's Notes attachment:mtg_22apr19.txt
1210 296 Vijay Kumar
* Vijay 
1211 298 Vijay Kumar
** SIMC simulation updates at Q2 = 2.7, 3.6 and 4.5 GeV2. attachment:Vijay_KaonLT_Meeting_Apr19_2022.pdf  
1212 296 Vijay Kumar
1213
----
1214
1215 306 Vijay Kumar
h3. April 06, 2022
1216 355 Garth Huber
1217 306 Vijay Kumar
* Garth's Notes attachment:mtg_22apr06.txt
1218 293 Garth Huber
* Ali 
1219 290 Richard Trotta
**  attachment:Analysis_Update_Apr_6.pdf 
1220
* Richard 
1221 288 Richard Trotta
** attachment:KaonLTMeeting4_6_22.pdf
1222
** The analysis of the 10.6 GeV heep coin/singles settings are still ongoing. 
1223
** There were some issues getting the replays working for the singles runs and the analysis. Things finally were sorted out yesterday (and this morning).
1224 291 Richard Trotta
** The SHMS heep singles are presented. Overall, they look fine. There are still some things to sort out.
1225 282 Vijay Kumar
** The HMS heep singles are still running.
1226 306 Vijay Kumar
* Vijay 
1227 288 Richard Trotta
** The simulation study of the 4.9 GeV KaonLT data has completed.
1228 295 Garth Huber
** This energy has left, center and right settings data. All these settings look fine. 
1229 284 Vijay Kumar
** See the pdf for more info. attachment:Vijay_KaonLT_Meeting_Apri_06_2022.pdf  
1230 1 Richard Trotta
1231 284 Vijay Kumar
----
1232 281 Richard Trotta
1233 1 Richard Trotta
h3. March 23, 2022
1234 281 Richard Trotta
1235 1 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
1236 278 Richard Trotta
* Richard 
1237
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
1238 280 Nathan Heinrich
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
1239
* Nathan
1240 278 Richard Trotta
** Did chack of the Mode 10 plots for HGC, was discrepancy between hardware and software caused by the variable phgcer_SampNSAT being 2 by default.
1241
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
1242
1243
---
1244
1245
h3. March 9, 2022
1246
1247 355 Garth Huber
* Garth's Notes attachment:mtg_22mar09.txt
1248 267 Richard Trotta
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
1249
* Richard 
1250
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
1251 1 Richard Trotta
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
1252 277 Garth Huber
* Nathan
1253
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
1254 269 Richard Trotta
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
1255 261 Garth Huber
1256
---
1257 271 Garth Huber
1258 273 Garth Huber
h3. February 23, 2022
1259 271 Garth Huber
1260
* Garth's Notes attachment:mtg_22feb23.txt
1261 272 Garth Huber
1262
---
1263 244 Vijay Kumar
1264
h3. January 26, 2022  
1265 271 Garth Huber
1266 253 Vijay Kumar
* Garth's Notes attachment:mtg_22jan26.txt
1267 251 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
1268 252 Vijay Kumar
** HMS single 2.7 GeV, total 6 settings. attachment:HMS_Analysed_2p7_1.pdf attachment:HMS_Analysed_2p7_2.pdf attachment:HMS_Analysed_2p7_3.pdf attachment:HMS_Analysed_2p7_4.pdf attachment:HMS_Analysed_2p7_5.pdf attachment:HMS_Analysed_2p7_6.pdf   
1269 246 Vijay Kumar
** SHMS single 2.7 GeV,total 6 settings. attachment:SHMS_Analysed_2p7_1.pdf attachment:SHMS_Analysed_2p7_2.pdf attachment:SHMS_Analysed_2p7_3.pdf attachment:SHMS_Analysed_2p7_4.pdf attachment:SHMS_Analysed_2p7_5.pdf attachment:SHMS_Analysed_2p7_6.pdf
1270 250 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
1271 254 Nathan Heinrich
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
1272 255 Nathan Heinrich
* Nathan, Short update on the Mode 10
1273 256 Jacob Murphy
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
1274 260 Jacob Murphy
* Jacob, EDTM Study 2
1275 255 Nathan Heinrich
** EDTM study with beam, taken during LUMI Scan 3
1276 248 Vijay Kumar
** Early look at 3rd EDTM Study
1277 113 Richard Trotta
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
1278 222 Richard Trotta
1279 200 Richard Trotta
----
1280 236 Garth Huber
1281
h3. January 12, 2022  
1282
1283
* Garth's Notes attachment:mtg_22jan12.txt
1284
* Junaid
1285 240 Vijay Kumar
** PID study
1286 238 Vijay Kumar
* Vijay
1287 236 Garth Huber
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
1288
* Nathan
1289
** Mode-10 data variables
1290 243 Richard Trotta
1291
----
1292 234 Garth Huber
1293
h3. January 5, 2022  
1294 235 Garth Huber
1295 221 Richard Trotta
* Garth's Notes attachment:mtg_22jan05.txt
1296
* Stephen
1297
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
1298
* Richard
1299
** Update to KLT task schedule
1300
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
1301 223 Richard Trotta
** EDTM study 2 will done sometime this weekend
1302
* Vijay
1303 224 Richard Trotta
** Breakdown of HEEP single analysis for low Q2 data
1304
*** Shapes of SIMC and data are very off
1305 231 Vijay Kumar
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
1306 229 Vijay Kumar
*** The main issue in my input file was the target thickness, which picked up by Dave in the group meeting. I corrected the target thickness and now it looks ok. See the attached pdf file below.  
1307 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
1308 225 Nathan Heinrich
** https://redmine.jlab.org/attachments/1375
1309
* Nathan
1310
** Update on fADC mode 10 studies and the fADC deadtime studies
1311 226 Jacob Murphy
** https://redmine.jlab.org/attachments/1372
1312
* Jacob
1313 227 Jacob Murphy
** Summary of EDTM analysis so far in the PionLT experiment
1314 242 Richard Trotta
** https://redmine.jlab.org/attachments/1373
1315 221 Richard Trotta
1316
----
1317
1318
h2. 2021 Meetings
1319 220 Richard Trotta
1320
h3. August 4, 2021
1321
1322
* Richard
1323
** Update on the HEEP singles. The remainder of energy setting ratios vs SIMC were looked at over the range of angles. They look good (within 1% and < 0.5% uncertainty).
1324
** Issues with the COIN are seen but may be a replay issue.
1325
1326
----
1327 217 Richard Trotta
1328
h3. July 21, 2021
1329 218 Richard Trotta
1330 217 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
1331
** Update on the HEEP singles. 10.6 GeV ratios vs SIMC were looked at over the range of angles. They look good (within 1%) but proper error bars are needed.
1332
1333
----
1334 215 Richard Trotta
1335
h3. May 12, 2021
1336
1337
* Richard
1338
** The currents were adjusted from 1-10 uA with little effect on the EDMTLT but proper changes to the CPULT. The replay bcm cut script developed by Sanghwa was also analyzed to see if it may be causing the issue but it had the same effects. There was also a small error in the code found where T.coin.pEDTM.tdcTimeRaw was incorrectly written as T.coin.pEDTM.tdcTime.
1339
1340
----
1341 213 Richard Trotta
1342
h3. April 28, 2021
1343
1344 214 Richard Trotta
* Richard
1345 213 Richard Trotta
** Lumi table was created for 2 sets of runs. Odd behavior seen ~30-45 uA with EDTM where is drops. Playing with the current cuts is the next step.
1346
1347
----
1348 211 Richard Trotta
1349 212 Richard Trotta
h3. April 14, 2021
1350 211 Richard Trotta
1351
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
1352
** Updated Lumi carbon plots with uncertainties. PID and current cuts need to be played around with a bit to see if they improve things (as uncertainties don't explain any boiling-type behaviors). 
1353
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
1354
1355
----
1356 203 Richard Trotta
1357
h3. March 31, 2021
1358 206 Richard Trotta
1359 209 Richard Trotta
* Richard
1360
** Luminosity studies
1361
*** PionLT carbon runs
1362
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
1363
*** Uncertainties
1364
**** Easy to do, I just need to put it into my script
1365
** Explicit PS calculations
1366
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
1367
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
1368
** Pass 2 runs
1369
*** DEF-files
1370
**** I checked out the DEF-files for our combination of the nested files
1371
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
1372
**** Working on my list of branches for the next replay
1373
***** Mainly just working on my list of branches for the explicit PS calculations
1374 210 Stephen Kay
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
1375
* Stephen
1376
** Updated DEF-File for the "full" replay
1377
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
1378
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
1379
** Updating DEF-files/scripts for calibrations as part of PionLT prep
1380
** Will focus on DEF-file/DEF-cut file updates over next week
1381 207 Richard Trotta
*** Will investigate HeeP replays over rest of this week.
1382 203 Richard Trotta
1383
----
1384 201 Stephen Kay
1385
h3. March 24, 2021
1386
1387
* KaonLT Mini Meeting focusing on Pass2 preparation
1388
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
1389
1390
----
1391 200 Richard Trotta
1392
h3. March 17, 2021
1393
1394 1 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
1395 202 Stephen Kay
** I have re-run the carbon lumi runs with the changes to the replay events (i.e. All_events_NO_EDTM). The results look pretty good (within a few percent). There are still some trends I need to investigate for certain runs and I need to do the analysis for the pionLT carbon lumi data.
1396 201 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
1397 200 Richard Trotta
1398 194 Richard Trotta
----
1399 199 Richard Trotta
1400
h3. March 3, 2021
1401
1402
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
1403
** I found an issue with the replay scripts used where the EDTM was not being properly registered. There is a discrepancy between two replay scripts depending on what the Decode_master is set to (i.e. ALL_events vs ALL_events_NO_EDTM). 
1404
** The explicit calculation of the prescale has hit a snag because of the differences between 6 GeV and 12 GeV. I contacted Mark Jones, who explained there are significant differences in the ADC gate between the two eras (which my own findings confirmed). I have contacted Brad for further input.
1405
1406
----
1407
1408 196 Richard Trotta
1409 194 Richard Trotta
h3. February 17, 2021
1410
1411
* Richard
1412 198 Nathan Heinrich
** Tried to remove some cumbersome elements to the analysis scripts without success. A few runs were added to a well behaved set of lumi runs with good consistency.
1413
* Nathan
1414
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
1415 194 Richard Trotta
1416
----
1417 196 Richard Trotta
1418 193 Richard Trotta
h3. February 3, 2021
1419
1420
* Richard
1421
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
1422
1423
----
1424 196 Richard Trotta
1425 191 Richard Trotta
h3. January 20, 2021
1426
1427
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
1428
** All KaonLT carbon runs have been analyzed. There are still some issues that seem to be related to the pre-scale values. I may need to investigate the EDTM and/or the COIN events further to correct for these.
1429
1430
----
1431 196 Richard Trotta
1432 190 Richard Trotta
h3. January 6, 2021
1433
1434 322 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
1435 186 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related. 
1436
1437
----
1438
1439
h2. 2020 Meetings
1440 185 Richard Trotta
1441
h3. December 2, 2020
1442
 
1443
* Ali and Richard
1444
** Richard included the EDTM to Lumi analysis and found some old analysis of scalers by Mark Jones that he will compare. Ali and Richard met last week and will begin combining Ali's tracking studies with Richard's lumi analysis.
1445
1446
----
1447 180 Richard Trotta
1448
h3. November 18, 2020
1449 183 Richard Trotta
1450 181 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
1451 180 Richard Trotta
** He is investigating some of the EDTM rate dependence and sees a discrepancy between the total EDTM LT and CPU LT with a sudden dip at 20-30 kHz. More luminosity runs will need to be studied for a full conclusion.
1452
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
1453
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
1454 182 Richard Trotta
* Stephen
1455 180 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
1456
1457
----
1458 178 Richard Trotta
1459 321 Richard Trotta
h3. November 4, 2020
1460 178 Richard Trotta
 
1461 321 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
1462 178 Richard Trotta
** Scaler analysis is getting closer to an answer. An in-depth comparison of Carlos and Richard's analysis shows inconsistencies between the two. 
1463 141 Stephen Kay
1464
----
1465 170 Richard Trotta
1466
h3. October 28, 2020
1467
1468 177 Richard Trotta
* Ali
1469 172 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
1470 173 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
1471 171 Stephen Kay
** Luminosity analysis continues. There are still some issues but things have improved a bit.
1472
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
1473 174 Richard Trotta
** Discussion of CT peak analysis, progress and outline of what's left to do with this
1474 176 Richard Trotta
* Vijay
1475 170 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
1476
1477
----
1478 164 Richard Trotta
1479
h3. October 14, 2020
1480 168 Richard Trotta
1481 164 Richard Trotta
* Ali
1482
** Working through the REPORT_FILES template to get everything working and outputting proper information.
1483
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
1484 167 Richard Trotta
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
1485 164 Richard Trotta
* Stephen
1486 1 Richard Trotta
** He has included a demo for using the python analysis script in the README.
1487 164 Richard Trotta
1488
----
1489 161 Richard Trotta
1490
h3. September 23, 2020
1491
1492
* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
1493
** A quick lumi analysis after the Pass1 runs. The results were compared to previously analyzed runs (5154-5158). There was some change but nothing huge. Some other runs with the same energy settings were analyzed as well. 
1494 162 Richard Trotta
* Stephen
1495
** Showed some slides from u-channel meeting of omega and proton MM  plots. Then discussed some ideas for dealing with the hole in the HGCer.
1496
* Petr
1497 161 Richard Trotta
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
1498
1499
----
1500 149 Richard Trotta
1501 156 Richard Trotta
h3. September 9, 2020
1502
1503 157 Richard Trotta
* Richard
1504 156 Richard Trotta
** Still working on run list, GUI checks
1505
* "Stephen":https://redmine.jlab.org/issues/567
1506
** New slim replay scripts and full replay scripts updated
1507
* Ali
1508
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
1509 158 Richard Trotta
** Need to be vigilant of crashed replays because this is probably the issue
1510 156 Richard Trotta
* Vijay
1511 1 Richard Trotta
** Nearly finished with HGcer calibrations
1512 156 Richard Trotta
1513
----
1514
1515
h3. August 26, 2020
1516 149 Richard Trotta
1517 154 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
1518
1519
* Richard
1520
** New tasks were created based on the previous discussions on objectives going forward. In the process of checking run sheets against the run list and camera/EPICS.
1521
* Stephen
1522
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
1523
* Ali
1524
** Hodoscope calibrations look similar to before. There is still the issue of the double bands in the time walk. This is ok because of the wide windows we still have. (See "hodoscope calibration section":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks#Calibrations-Mid-to-Late-August-2020)
1525 150 Richard Trotta
* Vijay
1526 1 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
1527 149 Richard Trotta
1528
----
1529 144 Richard Trotta
1530 147 Stephen Kay
h3. July 29, 2020
1531 148 Richard Trotta
1532 146 Stephen Kay
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/1029/klt_7_29_20.html "Stephen":https://redmine.jlab.org/documents/106
1533 155 Richard Trotta
1534
* Stephen
1535
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
1536
* Richard
1537 1 Richard Trotta
** Updated plan and schedule for the analysis going forward
1538 144 Richard Trotta
1539
----
1540 139 Richard Trotta
1541 1 Richard Trotta
h3. July 8, 2020
1542 139 Richard Trotta
1543 150 Richard Trotta
*Links to talks->* "Vijay":https://redmine.jlab.org/attachments/download/1023/SHMS%20Proton%20Absorption.ods "Ali":https://redmine.jlab.org/attachments/download/1022/KaonLT_Meeting_Jul_8.pdf
1544 139 Richard Trotta
1545
----
1546 132 Richard Trotta
1547
h3. June 24, 2020
1548 143 Richard Trotta
1549 132 Richard Trotta
*Links to talks->* "Vijay":https://redmine.jlab.org/attachments/download/1014/Vijay_24_June_20.pdf "Richard":https://redmine.jlab.org/attachments/download/1013/KaonLTMeeting_6_24_20.pdf
1550
1551
----
1552 129 Richard Trotta
1553
h3. June 9, 2020
1554 135 Richard Trotta
1555 129 Richard Trotta
*Links to talks->* "Vijay":https://redmine.jlab.org/attachments/download/1006/Vijay_9_June_20.pdf "Ali":https://redmine.jlab.org/attachments/download/1007/KaonLT_Meeting_Jun_9.pdf "Richard":https://redmine.jlab.org/attachments/download/1005/KaonLTMeeting_6_9_20.pdf
1556
1557
----
1558 125 Richard Trotta
1559
h3. May 27, 2020
1560 126 Richard Trotta
1561 128 Richard Trotta
*Links to talks->* "Vijay":https://redmine.jlab.org/attachments/download/1002/Vijay_26_May_20.pdf "Ali":https://redmine.jlab.org/attachments/download/1003/KaonLT_Meeting_May_27%20%5BAutosaved%5D.pdf
1562 125 Richard Trotta
1563
----
1564 118 Stephen Kay
1565 124 Richard Trotta
h3. May 13, 2020
1566 138 Stephen Kay
1567 1 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/attachments/download/993/KaonLT_Meeting_13_05_20.pdf - Python analysis scripts "Richard":https://redmine.jlab.org/attachments/download/998/KaonLTMeeting_5_13_20.pdf "Ali":https://redmine.jlab.org/attachments/download/997/KaonLT_Meeting_May_13.pdf "Vijay":https://redmine.jlab.org/attachments/download/999/Vijay_13_May_20.pdf
1568 121 Richard Trotta
1569
----
1570 111 Richard Trotta
1571
h3. April 29, 2020
1572 138 Stephen Kay
1573 106 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/984/KaonLTMeeting_4_29_20.pdf "Stephen":https://redmine.jlab.org/attachments/download/985/KaonLT_Meeting_29_04_20.pdf - Python code planning "Mark's hcana tracking update":https://redmine.jlab.org/attachments/download/982/Updates-to-HCANA-tracking.pdf
1574 1 Richard Trotta
1575 106 Richard Trotta
----
1576 111 Richard Trotta
1577 104 Richard Trotta
h3. April 15, 2020
1578 102 Richard Trotta
1579 105 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
1580 102 Richard Trotta
1581 95 Stephen Kay
----
1582 111 Richard Trotta
1583 100 Stephen Kay
h3. April 1, 2020
1584 138 Stephen Kay
1585 101 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/attachments/download/949/KaonLT_Meeting_01_04_20.pdf - RF timing "Richard":https://redmine.jlab.org/attachments/download/948/KaonLTMeeting_4_1_20.pdf
1586 41 Stephen Kay
1587 93 Richard Trotta
----
1588 111 Richard Trotta
1589 93 Richard Trotta
h3. March 18, 2020
1590
1591 1 Richard Trotta
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
1592 93 Richard Trotta
1593 91 Richard Trotta
----
1594 111 Richard Trotta
1595 92 Richard Trotta
h3. March 11, 2020
1596 1 Richard Trotta
1597 94 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/attachments/download/940/KaonLT_Meeting_Mar_11.pdf "Richard's EIC Temple Draft 1":https://redmine.jlab.org/attachments/download/941/DRAFT1_mesonSF_EIC_Temple.pdf
1598 91 Richard Trotta
1599 88 Richard Trotta
----
1600 111 Richard Trotta
1601 90 Richard Trotta
h3. Feb 26, 2020
1602
1603
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
1604 1 Richard Trotta
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
1605 88 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
1606 1 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
1607
1608 86 Richard Trotta
----
1609 111 Richard Trotta
1610 87 Richard Trotta
h3. Feb 10, 2020 
1611 86 Richard Trotta
1612 1 Richard Trotta
----
1613 111 Richard Trotta
1614 83 Richard Trotta
h3. Jan 22, 2020
1615
1616 85 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
1617 1 Richard Trotta
1618 83 Richard Trotta
----
1619 111 Richard Trotta
1620 81 Richard Trotta
h3. Jan 15,2020
1621 82 Richard Trotta
1622 81 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
1623
1624 78 Richard Trotta
----
1625 111 Richard Trotta
1626 78 Richard Trotta
h3. Jan 8,2020
1627 1 Richard Trotta
1628 79 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
1629 1 Richard Trotta
1630
* Richard
1631
** PID efficiency script is coming together
1632
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
1633
*** Hcal cut should be changed to cut around the mean normalized value instead of cutting above or below it only. This will assure electrons aren't lost.
1634 80 Richard Trotta
1635 113 Richard Trotta
----
1636 112 Richard Trotta
1637 80 Richard Trotta
h2. 2019 Meetings
1638 141 Stephen Kay
1639
----
1640 111 Richard Trotta
1641
h3. Dec 17,2019
1642 77 Richard Trotta
1643
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
1644
1645
* Stephen
1646
** Number of passes finished for HMS calorimeter
1647
*** Still wiggles in all passes
1648
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
1649
** Put together a list of people's jobs from Regina over the next couple of months, "Regina Analysis Tasks":https://redmine.jlab.org/documents/75
1650 1 Richard Trotta
*** CUA will be putting together a similar list
1651 77 Richard Trotta
1652
* Richard
1653
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
1654
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
1655
*** Eventually need to include tracking into PID efficiencies
1656
** Pete brought up the question for a number of multi-hits we are getting
1657
*** (Dead Time)+(Trigger efficiency)-EDTM
1658
1659 72 Richard Trotta
----
1660 111 Richard Trotta
1661 72 Richard Trotta
h3. Dec 10,2019
1662 74 Richard Trotta
1663
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
1664
1665
* Garth and Stephen were in the most recent SIDIS meeting
1666
** Wit had lots of hcana changes but they seem to be critical to our work 
1667 1 Richard Trotta
*** Changes such as new detector classes
1668
** Hopefully Wit will present these in the next commissioning meeting
1669 77 Richard Trotta
1670 74 Richard Trotta
* Stephen improved wiggles but still prevalent
1671
1672
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
1673
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
1674
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
1675
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
1676 75 Richard Trotta
1677 74 Richard Trotta
----
1678 111 Richard Trotta
1679 71 Richard Trotta
h3. Nov 26,2019
1680
1681
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
1682
1683
* Stephen
1684
** DC SHMS, small-angle has poor performance
1685
*** Tighter cuts or PID (currently only looks for electrons)
1686
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
1687
1688 1 Richard Trotta
* Richard
1689 71 Richard Trotta
** The calibrations are nearing completion with only the HG Cherenkov and SHMS calorimeter yet to be finished. There are also smaller issues with some DC and HMS calorimeter runs.
1690
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
1691
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
1692
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
1693
** We can begin looking forward towards efficiencies. 
1694
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
1695
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
1696
1697
* Hem
1698 70 Richard Trotta
** Has been looking at the calorimeter as well. 
1699
** He has seen the second band in the spectra for some runs, we suggested further looks into HMS hodoscope and subsequently reference times. A recalibration will need to be performed.  
1700
1701
----
1702 111 Richard Trotta
1703 1 Richard Trotta
h3. Nov 19,2019
1704 70 Richard Trotta
1705
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
1706
1707
* Richard
1708
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
1709
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
1710
1711
* Stephen
1712
** Issues with DC calibration for only a few runs during each run period
1713
** "wiggles" in HMS calorimeter calibrations for some runs
1714
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
1715
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
1716 2 Richard Trotta
1717 68 Richard Trotta
----
1718 111 Richard Trotta
1719 68 Richard Trotta
h3. Nov 5,2019
1720
1721
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
1722
1723
* Timing update (Stephen)
1724
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
1725
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
1726 1 Richard Trotta
** First pass of detector reference time parameter files finished
1727 68 Richard Trotta
1728
* Peter's hcana code (Richard and Stephen)
1729
** Peter's code does not remove ghost bands (already known), but now Stephen is seeing a strang horizontal band for just SHMS hodoscope 2D plots
1730
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
1731
** This means we still need the reference time amplitude cut with Peter's code but using just the amplitude cut with Mark's latest version of hcana should be sufficient for calibrations.
1732
1733
* Calibrations were decided to be done once per shift
1734
1735 127 Richard Trotta
* Next meeting schedule...
1736
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
1737 68 Richard Trotta
** November 26 (at 3pm EST) will be a larger meeting. 
1738
*** This is the rough deadline we made for finishing up calibrations. 
1739
*** This should be sufficient for all detectors (although hodoscope and HG which may persist). The ultimate goal is for all calibrations to be finished up before Winter break!!
1740
1741
----
1742 111 Richard Trotta
1743 62 Richard Trotta
h3. Oct 22,2019
1744 64 Richard Trotta
1745 62 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
1746 65 Richard Trotta
1747
* SHMS Reference Time Amplitude Cuts(Stephen)
1748
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
1749
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
1750
** This is a temporary fix to "ghost-bands" and cross talk
1751
*** Although for HG there is still a small peak. The hodoscope is fine.
1752
** The time window is easier to set now.
1753
** DC has been fine (since it uses TDC)
1754
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
1755
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
1756 1 Richard Trotta
1757 67 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
1758
** Peter implemented changes to hcana
1759 1 Richard Trotta
** Two major issues...
1760 67 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
1761 1 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
1762 67 Richard Trotta
## Timing offset between EL-REAL and 3/4 is 130 ns which causes junk tracks at high SHMS rates (~6% of the time)
1763
*** Peter created a routine to find the best offset by means of matching TDC and ADC
1764
** Richard has been checking for bugs in the code. 
1765
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
1766 1 Richard Trotta
1767 67 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
1768 65 Richard Trotta
** Besides hodoscope which still has an issue with the script
1769 62 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
1770
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
1771 1 Richard Trotta
1772 61 Richard Trotta
-----
1773 111 Richard Trotta
1774 61 Richard Trotta
h3. Sep 24,2019
1775
1776 1 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
1777 61 Richard Trotta
1778 1 Richard Trotta
-----
1779 111 Richard Trotta
1780 59 Vijay Kumar
h3. Sep 10,2019
1781
1782 1 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
1783
1784 55 Stephen Kay
-----
1785 111 Richard Trotta
1786 55 Stephen Kay
h3. August 26, 2019
1787
1788 1 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/70 "Vijay":https://redmine.jlab.org/documents/71 "Richard":https://redmine.jlab.org/issues/500
1789 54 Richard Trotta
1790
----
1791 111 Richard Trotta
1792 54 Richard Trotta
h3. June 21, 2019
1793 1 Richard Trotta
1794 54 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
1795 42 Stephen Kay
1796
----
1797 111 Richard Trotta
1798 1 Richard Trotta
h3. June 14, 2019
1799 46 Richard Trotta
1800 42 Stephen Kay
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 "Mireille":https://redmine.jlab.org/documents/64 "Update-Mireille":https://redmine.jlab.org/documents/65 "Vijay":https://redmine.jlab.org/attachments/download/814/Analy_update3.pdf
1801
1802 35 Stephen Kay
1803 1 Richard Trotta
----
1804 111 Richard Trotta
1805 36 Vijay Kumar
h3. June 4, 2019
1806 1 Richard Trotta
1807 35 Stephen Kay
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/56 "Nathan":https://redmine.jlab.org/documents/57 "Vijay":https://redmine.jlab.org/documents/58 "Richard":https://redmine.jlab.org/documents/59 "Hallc Talk Outline":https://redmine.jlab.org/documents/60 "Mireille":https://redmine.jlab.org/documents/61
1808 1 Richard Trotta
1809 35 Stephen Kay
1810 1 Richard Trotta
----
1811 111 Richard Trotta
1812 1 Richard Trotta
h3. May 21, 2019
1813
1814 35 Stephen Kay
*Links to talks->* "Richard":https://redmine.jlab.org/documents/52 "Mireille":https://redmine.jlab.org/documents/? "Stephen":https://redmine.jlab.org/documents/53 "Nathan":https://redmine.jlab.org/documents/54 "Vijay":https://redmine.jlab.org/documents/55
1815
1816 1 Richard Trotta
----
1817 111 Richard Trotta
1818 1 Richard Trotta
h3. May 14, 2019
1819 35 Stephen Kay
1820 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/48 "Carlos' slides":https://redmine.jlab.org/documents/49 "Mireille":https://redmine.jlab.org/documents/50 "Stephen":https://redmine.jlab.org/documents/51
1821 35 Stephen Kay
1822 1 Richard Trotta
----
1823 111 Richard Trotta
1824 1 Richard Trotta
h3. April 30, 2019
1825
1826 35 Stephen Kay
*Links to talks->* "Richard":https://redmine.jlab.org/documents/45 "Richard's slides in wiki":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_How-To "Brad Computing":https://redmine.jlab.org/documents/46 "Stephen":https://redmine.jlab.org/documents/47
1827 1 Richard Trotta
1828
----
1829
1830
h3. February 4, 2019
1831
1832
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
1833
1834 113 Richard Trotta
----
1835 112 Richard Trotta
1836 141 Stephen Kay
h2. 2018 Meetings
1837
1838 111 Richard Trotta
----
1839
1840
h3. August 21, 2018
1841 1 Richard Trotta
1842 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
1843 1 Richard Trotta
1844 35 Stephen Kay
----
1845 111 Richard Trotta
1846 35 Stephen Kay
h3. August 8, 2018
1847
1848 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
1849
1850 35 Stephen Kay
----
1851 111 Richard Trotta
1852 1 Richard Trotta
h3. August 3, 2018
1853 35 Stephen Kay
1854
*Ongoing Tasks->* #381 #382 #383
1855 1 Richard Trotta
*Links to talks->*
1856 35 Stephen Kay
1857 1 Richard Trotta
----
1858 111 Richard Trotta
1859 1 Richard Trotta
h3. July 11, 2018
1860 35 Stephen Kay
1861 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #384
1862 35 Stephen Kay
1863 1 Richard Trotta
*Action items:*
1864 35 Stephen Kay
1865
* Update run plan, e.g. add prescales (Garth)
1866
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
1867
* Identify additional run coordinators (Tanja)
1868
* Encourage collaborators to take shifts, e.g. FIU (Pete)
1869
* Draft email about shifts etc. to collaboration (Tanja)
1870
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
1871 1 Richard Trotta
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
1872 35 Stephen Kay
1873
*Discussions:*
1874
1875
* SHMS Aerogel Cherenkov: tray has been changed to SP-11 on 10 July, nominal time for change is 8 hours, one tray can stay in the hall to minimize overhead
1876
* HGC: waiting for re-installation
1877 1 Richard Trotta
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
1878
* Shifts
1879
* Diagnostics scripts and documentation
1880
* Personnel schedules
1881
1882
----
1883 111 Richard Trotta
1884 1 Richard Trotta
h3. June 28, 2018
1885
1886
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
1887
1888
*Action Items:*
1889
1890
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
1891
* Contact potential run coordinators. (Tanja)
1892
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
1893
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
1894
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
1895
* Adapt luminosity scan script to calculate kaon yields by run number for use during experiment by shift crew - has to be simple to use. (Richard)
1896
* Develop trigger/detector checkout plan (Tanja, initial draft)
1897
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
1898
* Find out from JLab what the anticipated settings are for limit switches for both spectrometers and for separation angle in between them. Also find out what magnet cycling procedure should be used for L/T quality separation data (Tanja)
1899
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
1900
1901
*Analysis Updates:*
1902
1903
* Ryan 
1904
** resolving differences between his analysis and Richard's
1905
1906
* Richard
1907
** Discussed with Mark Jones and is cross checking his January luminosity scan analysis against Mark's. Realized that BCM calibrations (gains, offsets etc) are different - currently working on fixing that, presents current results - low curent point is ~10% below unity, discussion that this seems to indicate that BCM offsets are the issue as low current points would be most sensitive, is planning to also double-check the BCM calibration procedure - had discussion with Dave Mack at JLab
1908
** Presents a script developed for luminosity scans that determines yields for a run number input on command line. Discussion this could be good to adapt for kaon counting during experiment.
1909
1910
----
1911 111 Richard Trotta
1912 1 Richard Trotta
h3. May 31, 2018
1913 35 Stephen Kay
1914 1 Richard Trotta
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
1915 35 Stephen Kay
1916 1 Richard Trotta
----
1917 111 Richard Trotta
1918 1 Richard Trotta
h3. May 17, 2018 
1919 35 Stephen Kay
1920 2 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/29, "Ryan":https://hallcweb.jlab.org/DocDB/0009/000968/001/Presentation.pdf, "Samip":https://redmine.jlab.org/documents/30
1921 35 Stephen Kay
1922 111 Richard Trotta
* Luminosity scans (Richard, Ryan)
1923 35 Stephen Kay
** Carbon scan from April seems consistent with no boiling, LH3 and LD2 show deviation from unity, should check effect of EDTM events on efficiencies
1924
** Carbon scans from January (low rates) have large deviations from unity, in particular behavior at higher currents (>40uA), e.g. cpu dead time, that is not yet understood
1925 1 Richard Trotta
** discussion about pre-scale factors
1926 35 Stephen Kay
1927
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
1928
** Add option for looking at yields with cuts on cointime, target window, and missing mass
1929 1 Richard Trotta
** Add option to look at real peak vs. background level
1930 35 Stephen Kay
1931
* H(e,e'p) kinematics investigation for fall run (Samip)
1932 1 Richard Trotta
** Optimal range is between electron angles of 17-20 degrees, time required ranges from ~1 hour at 17 degrees to ~3 hour at 20 degrees, other angles may be of interest for disentangling charge and current dependent effects
1933 35 Stephen Kay
1934
* *Action Items*
1935
** Luminosity scans at low rates from January (Richard)
1936
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
1937
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
1938
** Kaon LT detailed run plan (Garth, Pete, Tanja)
1939 1 Richard Trotta
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
1940
1941
----
1942 111 Richard Trotta
1943 35 Stephen Kay
h3. May 10, 2018
1944 2 Richard Trotta
1945 35 Stephen Kay
*Links to talks->* "Hem":https://redmine.jlab.org/documents/24, "Richard":https://redmine.jlab.org/documents/23, "Ryan, ":https://redmine.jlab.org/documents/20 "Samip":https://redmine.jlab.org/documents/26
1946
1947
* Luminosity Scans January 2018 (Richard)
1948
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
1949
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
1950
** Efficiency calculation was investigated in detail and applied using scalers from trees
1951
** Results for carbon (normalized to 30uA) show large variation - need to understand
1952
** *Next steps:*
1953
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
1954
*** Check stability of pre-scale (Ryan saw changes within runs)
1955
*** Check if detector calibrations for runs are implemented correctly
1956 1 Richard Trotta
*** Analyze with Ryan's cuts
1957 35 Stephen Kay
1958
* Luminosity Scans April 2018 (Ryan)
1959
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
1960
** Tracking-based analysis for runs 2073-2095
1961
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
1962
** Included most recent detector calibrations in replay of these runs
1963
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
1964
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
1965
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
1966 5 Richard Trotta
** *Next steps:*
1967 35 Stephen Kay
*** Check tracking efficiency
1968
1969 1 Richard Trotta
* *Global comments on Luminosity Scans (so far)*
1970 35 Stephen Kay
** April 2018 scans show hydrogen and deuterium target boiling on level of 3-4%, Carbon is consistent with no boiling, as expected - based on description, new targets are expected to have less boiling than those used previously, e.g. in FPI2. Double check this.
1971
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
1972
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
1973
** Uncertainties on current
1974 1 Richard Trotta
** Detector calibrations
1975 35 Stephen Kay
** HMS vs. SHMS
1976
1977
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
1978
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
1979
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
1980
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
1981
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
1982 1 Richard Trotta
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
1983 2 Richard Trotta
** *Next steps:*
1984 35 Stephen Kay
*** Look for a run with kaon momentum closer to 3 GeV/c (aerogel threshold is ~3 GeV/c for kaons for n=1.015)
1985
1986
* Yield normalized ratios from SIDIS (Hem)
1987
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
1988 4 Richard Trotta
** *Next steps:*
1989
*** Check if efficiencies, currents, run time etc. are taken into account correctly
1990
1991 35 Stephen Kay
----
1992 111 Richard Trotta
1993 4 Richard Trotta
h3. April 26, 2018
1994 35 Stephen Kay
1995 4 Richard Trotta
*Links to talks->* "Richard,":https://redmine.jlab.org/documents/18 "Ryan, ":https://redmine.jlab.org/documents/20 "Samip":https://redmine.jlab.org/documents/25
1996 35 Stephen Kay
1997
* Discussion luminosity scan analysis (earlier scan) - Richard
1998
** Shown is a scaler-based analysis using scalers from report file and from ROOT tree - the values are different, why that is has to be checked
1999
** Notes on efficiencies in report file:
2000
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
2001
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
2002
*** Tracking efficiency needs to be checked
2003
*** 3/4 trigger efficiency seems ok
2004
* Discussion luminosity scan analysis (later scan) - Ryan
2005
** Fewer carbon runs than earlier scan
2006 111 Richard Trotta
** Shown is a tracking-based analysis using data from the ROOT trees
2007 35 Stephen Kay
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
2008
* SIDIS analysis - Hem
2009
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
2010
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
2011
* Analysis of exclusive events in SIDIS - Samip
2012
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
2013
** Ongoing work on implementing coincidence time into tree
2014
* Discussion of run plan, and in particular possible low Q2/low energy
2015
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
2016
** For pion form factor and LT, have two possible settings that can use the prescribed beam energies: Q2=1.45 and 0.35 GeV2 - prioritize towards the higher Q2 as not as sensitive to offsets
2017
** Garth will put this together in a draft email
2018 12 Richard Trotta
2019
----
2020 111 Richard Trotta
2021 12 Richard Trotta
h3. March 29, 2018
2022 35 Stephen Kay
2023 13 Richard Trotta
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
2024 35 Stephen Kay
2025
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
2026
* Luminosity scans (Ryan, Andres, Richard, Pete)
2027
* Macros, SIDIS analysis (Hem, Anashe)
2028
* Elastic data (TBD)
2029 14 Richard Trotta
2030 18 Richard Trotta
----
2031 111 Richard Trotta
2032 18 Richard Trotta
h3. February 22, 2018
2033 35 Stephen Kay
2034 18 Richard Trotta
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
2035 35 Stephen Kay
2036
*  Discussion of Andres' slides on elastic W calculation in hcana - initial issue with negative W values seems to be due to outdated information in standard.kinematics file. Additional investigation ongoing.
2037
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
2038
* Discussion of Richard's slides on run plan kinematics and preparations -
2039
** everyone agrees that in general want to have as many L/T cross section separations as possible in a robust run plan balancing statistics vs. systematics
2040
** before actual run may want to do a 3D optimization in all kinematic variables to get the best possible delta(epsilon) for the L/T separations
2041
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
2042
** kinematics plots W-Q2 show that still need to do some optimization
2043
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
2044 26 Richard Trotta
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
2045 35 Stephen Kay
2046
* *Action Items:*
2047
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
2048
** Update run sheet and kinematic optimization for W/Q2 (Garth)
2049
** Circulate elastic calculations for kinematic settings (Samip)
2050
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
2051
** Test software installation instructions (Pete)
2052 32 Stephen Kay
** Draft email to JLab management about need for small angle beam pipe - need to have HMS minimum angle of less than 13 degrees for kaon L/T separations (Tanja) 
2053
2054 1 Richard Trotta
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