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Kaon LT Meetings » History » Version 479

Richard Trotta, 02/09/2023 03:06 PM

1 116 Richard Trotta
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2 1 Richard Trotta
3 293 Garth Huber
h1. *KaonLT/PionLT Meetings*
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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
7 244 Vijay Kumar
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8 284 Vijay Kumar
9 458 Richard Trotta
h2. 2023 Meetings
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11
12
h3. Feb 2, 2023
13
14
* Richard
15
** attachment:KaonLTMeeting2_9_23.pdf
16
** Fixed the odd right distribution for Q2=5.5 by applying more strict cointime cuts.
17 479 Richard Trotta
** 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.
18 326 Garth Huber
19 405 Vijay Kumar
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20 1 Richard Trotta
21 474 Vijay Kumar
h3. Feb 2, 2023
22
23 476 Garth Huber
* Garth/Stephen Notes attachment:mtg_23feb02.txt
24 475 Richard Trotta
* Richard
25
** attachment:KaonLTMeeting2_2_23.pdf
26
** The simc portion of the LT_analysis code is working but there is a bug I am sorting out which produces incorrect plots
27
** 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.
28
** 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.
29 474 Vijay Kumar
* Vijay
30
** Update from the analyzed low epsilon data of Q2 = 0.38 GeV2. attachment:KaonLT_meeting_Feb2_2023.pdf
31 477 Alicia Postuma
* Alicia
32
** Preliminary asymmetry results: Q2=3/W=2.32, Q2=4.4/W=2.74, Q2=2.115/W=2.95, aluminum
33
** attachment:Asymmetry_Postuma_Feb2.pdf
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35 474 Vijay Kumar
36
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38 469 Richard Trotta
h3. Jan 26, 2023
39
40 473 Garth Huber
* Stephen's Notes attachment:mtg_23jan26.txt
41 469 Richard Trotta
* Richard
42
** attachment:KaonLTMeeting1_26_23.pdf attachment:FullAnalysis_Q5p5W3p02_highe.pdf
43
** 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.
44
** SIMC vs Data plots for Q2=5p5 show a very small SIMC. Need to investigate further.
45 470 Nathan Heinrich
* Nathan
46
** attachment:RefTimes_Update_2023-01-26.pdf 
47
** Asked Carlos Yero about the cointime ref times, he sent me an older email chain attachment:ref_times_email_exchange.txt
48
*** only SHMS variables are used.
49
** Presented ref times plots, and suggested cuts.
50 471 Nathan Heinrich
*** Cuts are already set up and pull request is sent to LTSep_Analysis_2022 branch
51
52 469 Richard Trotta
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53
54 458 Richard Trotta
h3. Jan 19, 2023
55
56 467 Garth Huber
* Garth/Stephen Notes  attachment:mtg_23jan19.txt
57 462 Ali Usman
* Ali
58
** Looking at HMS Calorimeter and Cherenkov Efficiency and PID. attachment:KaonLT_Meeting_Jan_19.pdf
59 460 Vijay Kumar
* Vijay
60
** attachment:Vijay_Jan19_2023.pdf
61
** Trying to understand the pion cross-section across the acceptance. 
62 464 Alicia Postuma
* Alicia
63
** attachment:Asymmetry_Postuma_Updates-6.pdf
64
** Added dummy target subtraction to asymmetry calculation
65
** Discussed fitting to extract cross-section ratio
66
** Requested: details on error calculations: attachment:Asymmetry_Errors.pdf
67 458 Richard Trotta
* Richard
68
** attachment:KaonLTMeeting1_19_23.pdf
69
** Implemented Jacob's diamond cut script into the setup before Bill's code. This also does the t-binning as well.
70
** 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.
71 461 Nathan Heinrich
* Nathan
72 468 Garth Huber
** Started working on reference times
73 461 Nathan Heinrich
** has some extra peaks in some runs
74
*** Should be explained by the triggers on in each run
75 1 Richard Trotta
** attachment:RefTimes_Update_2023-01-19.pdf
76 468 Garth Huber
77
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78 458 Richard Trotta
79 453 Ali Usman
h3. Jan 4, 2023
80
81 457 Garth Huber
* Garth's Notes attachment:mtg_23jan04.txt
82 453 Ali Usman
* Ali
83
** attachment:Jan4_KLT_Meeting.pdf
84 1 Richard Trotta
** All Kaon_LT data has been replayed over the holidays. Slide show list of major changes for the replay.
85 458 Richard Trotta
86
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87 459 Richard Trotta
88 458 Richard Trotta
h2. 2022 Meetings
89 454 Ali Usman
90 453 Ali Usman
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91
92 450 Richard Trotta
h3. Dec 21, 2022
93
94 457 Garth Huber
* Garth/Stephen Notes attachment:mtg_22dec21.txt
95 450 Richard Trotta
* Richard
96 451 Richard Trotta
** attachment:KaonLTMeeting12_21_22.pdf
97 450 Richard Trotta
** 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. 
98
** 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.
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101
102 449 Garth Huber
h3. Dec 14, 2022
103
104 457 Garth Huber
* Garth/Stephen Notes attachment:mtg_22dec14.txt
105 449 Garth Huber
106
---
107
108 442 Richard Trotta
h3. Dec 7, 2022
109 440 Ali Usman
110 457 Garth Huber
* Garth/Stephen Notes attachment:mtg_22dec07.txt
111 440 Ali Usman
* Ali
112 442 Richard Trotta
** New error calculation (binomial) for efficiencies and Live Times. attachment:KaonLT_Dec_5.pdf
113 443 Richard Trotta
* Richard
114 446 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
115 443 Richard Trotta
** A new subroutine has been added for the hcana variable calculations in SIMC, this is ongoing.
116
** 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.
117
** 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.
118 448 Alicia Postuma
* Alicia: attachment:Asymmetry_Postuma_Dec07.pdf
119 440 Ali Usman
120
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121
122 439 Garth Huber
h3. Nov 30, 2022
123
124
* Garth/Stephen Notes attachment:mtg_22nov30.txt
125
126
---
127
128 437 Garth Huber
h3. Nov 23, 2022
129
130
* Garth/Stephen Notes attachment:mtg_22nov23.txt
131 438 Alicia Postuma
* Alicia asymmetry update attachment:Asymmetry_Postuma_Updates.pdf
132 437 Garth Huber
133
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134
135 424 Richard Trotta
h3. Nov 16, 2022
136
137 435 Garth Huber
* Garth/Stephen Notes attachment:mtg_22nov16.txt
138 424 Richard Trotta
* Richard
139 428 Richard Trotta
** "8p2 LH2":https://redmine.jlab.org/attachments/1684 "8p2 C":https://redmine.jlab.org/attachments/1685
140
** "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
141 424 Richard Trotta
** 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.
142
** 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.
143
** I found a script for raster calibrations. The script is being fixed as it is currently a bit of a mess.
144 429 Richard Trotta
** https://redmine.jlab.org/projects/kltexp/wiki/Hall_C_Raster_Algorithm
145 430 Stephen Kay
* Stephen
146
** Updates to the hcana RFTime class
147
** Added in particle dependent corrections for e/pi/K/p for each spectrometer
148
*** Calculate beta for each particle type (from momentum, delta)
149
*** Determine path length from xptar and delta
150
*** Calculate ToF
151
*** Add this in modulo that determines RFtime
152
*** Tried method Shuo used initially, didn't really do anything
153
** Some further updates needed before it will be pushed to the hallc repo
154 433 Stephen Kay
** "Slides":https://redmine.jlab.org/attachments/1694 
155
** "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 
156
** "RF correction simply the ToF added in the modulo fn, seems to work":https://redmine.jlab.org/attachments/1695
157 436 Garth Huber
* Vijay (presented by GH)
158
** low Q2 attachment:CPULT_lowQ2.png attachment:TLT_lowQ2.png attachment:ELT_lowQ2.png
159 424 Richard Trotta
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161
162 420 Vijay Kumar
h3. Nov 09, 2022
163
164 421 Garth Huber
* Garth/Stephen Notes attachment:mtg_22nov09.txt
165 422 Garth Huber
* Bill (Wenliang) Li L/T-separation code tutorial.
166 423 Garth Huber
** Video recording is posted at: http://lichen.phys.uregina.ca/~huberg/kaon/LT_tutorial_20221109_1920x1080.mp4
167 420 Vijay Kumar
* Vijay
168
** 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 
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171
172 405 Vijay Kumar
h3. Nov 2, 2022
173
174 416 Garth Huber
* Garth/Stephen notes attachment:mtg_22nov02.txt
175 405 Vijay Kumar
* Vijay
176 406 Vijay Kumar
** 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.
177 1 Richard Trotta
attachment:Vijay_REYIELD_2p7C.pdf 
178 419 Vijay Kumar
  
179 411 Ali Usman
* Ali
180
** 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.
181 412 Ali Usman
attachment:KaonLT_Meeting_Nov_2.pdf
182 418 Jacob Murphy
* Jacob
183
** 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.
184
attachment:HMS_Optimization_at_High_Momentum.pdf
185 413 Richard Trotta
* Richard
186 427 Richard Trotta
** "6p2 C":https://redmine.jlab.org/attachments/1658 "6p2 LH2":https://redmine.jlab.org/attachments/1659
187 426 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
188 413 Richard Trotta
** 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%.
189
** 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.
190
** 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.
191
192 405 Vijay Kumar
 
193 325 Garth Huber
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194 346 Richard Trotta
195 403 Garth Huber
h3. Oct 26, 2022
196
197
* DaveG notes attachment:mtg_22oct26.txt
198
199
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200
201 402 Garth Huber
h3. Oct 19, 2022
202 1 Richard Trotta
203 402 Garth Huber
* Garth/Stephen notes attachment:mtg_22oct19.txt
204 401 Richard Trotta
* Richard
205
** The trend in the SHMS track yields is still present in the positive polarity luminosity runs.
206
** Talk for the Hall C Quarterly meeting was discussed. 
207
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209
210 400 Garth Huber
h3. Oct 12, 2022
211
212
* Garth/Stephen notes attachment:mtg_22oct12.txt
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214
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215
216 397 Richard Trotta
h3. Oct 4, 2022
217
218 399 Garth Huber
* Garth/Stephen notes attachment:mtg_22oct05.txt
219 397 Richard Trotta
* Richard
220
** attachment:KaonLTMeeting10_4_22.pdf
221
** 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.
222
*** It should be noted, there are huge discrepancies between BCM4A and BCM1 in some cases (like 20+ uA).
223
** Ran into some issues with the cross-section code. I am in debug mode trying to find the cause.
224
** 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.
225
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227
228 393 Garth Huber
h3. Sept 28, 2022
229
230 394 Garth Huber
* Garth/Stephen notes attachment:mtg_22sep28.txt
231
* Jacob
232 396 Jacob Murphy
** HMS optics fitting - attachment:HMS_Optics_Calibrations_Update.pdf
233 394 Garth Huber
234 393 Garth Huber
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235
236 382 Garth Huber
h3. Sept 21, 2022
237
238 392 Garth Huber
* Garth/Stephen notes attachment:mtg_22sep21.txt
239 389 Richard Trotta
* Richard
240
** attachment:Yield_6p2cl1.pdf attachment:Yield_10p6cl2.pdf attachment:Yield_10p6cl1.pdf
241
** 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.
242 390 Richard Trotta
** 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.
243
* Ali
244
** attachment:Ali_Sep21_Analysis.pdf
245 391 Ali Usman
** 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.
246 389 Richard Trotta
247 382 Garth Huber
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248
249 379 Garth Huber
h3. Sept 8, 2022
250
251 382 Garth Huber
* Garth/Stephen Notes attachment:mtg_22sep08.txt
252 383 Ali Usman
* Ali
253
** attachment:Sep8_Analysis.pdf
254 386 Ali Usman
** Heep Coin Analysis update. Fixed the issue with emiss and pmiss. Includes number of debug tests.
255 384 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
256 387 Ali Usman
** Full analysis files are the latest data/simc comparison for different beam energies (No offsets applied yet) 
257 380 Richard Trotta
* Richard
258
** attachment:KaonLTMeeting9_8_22.pdf
259 381 Richard Trotta
** attachment:Yield_6p2_l1_all.pdf attachment:Yield_10p6_l1_all.pdf attachment:Yield_10p6_l2_all.pdf
260 380 Richard Trotta
** Improved total uncertainties
261
** In-depth with tracking cut analysis underway
262
** Poor TLT consistent with poor CPULTs
263
264 379 Garth Huber
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265
266 371 Garth Huber
h3. Aug 31, 2022
267
268 379 Garth Huber
* Garth/Stephen Notes attachment:mtg_22aug31.txt
269 378 Richard Trotta
* Richard
270
** attachment:KaonLTMeeting8_31_22.pdf
271
** 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.
272
** Uncertainties for the luminosities and heep are next up.
273
274 371 Garth Huber
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275
276 374 Garth Huber
h3. Aug 26, 2022
277 1 Richard Trotta
278 375 Garth Huber
* Meeting on L/T-separation procedure
279 374 Garth Huber
** Garth's slides attachment:LT_sep_iterations.pdf
280
** Bill's tutorial (Nov 2018) attachment:Kaon_LT_tutorial_18nov28.pdf
281 377 Garth Huber
** Stephen's notes attachment:LTsep_mtg_22aug26.txt
282 395 Garth Huber
** Recording of Sept 27 repeat at: http://lichen.phys.uregina.ca/~huberg/kaon/LT_tutorial_20220927_1920x1080.mp4
283 373 Garth Huber
284
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285 372 Garth Huber
286 366 Garth Huber
h3. Aug 17, 2022
287 368 Vijay Kumar
288 371 Garth Huber
* Garth/Stephen Notes attachment:mtg_22aug17.txt
289 367 Vijay Kumar
* Vijay
290 369 Vijay Kumar
** The summary of the Heepcheck study is attached here. attachment:Vijay_Aug17_2022.pdf 
291 367 Vijay Kumar
** 3.6 and 3.9 GeV data do NOT have the angle offsets. This has been established in the study.
292 370 Richard Trotta
** I've plotted the offsets vs SHMS central momentum. Plots are attached in the attached pdf file.
293
* Richard
294
** The 10.6 GeV heep analysis is going well but the broad momentum distributions are making offsets difficult at times.
295
** 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. 
296
** 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.
297
** attachment:FullAnalysis_Offset_10p6.pdf
298
** attachment:HcanavSimc_scatter_calc.pdf
299 367 Vijay Kumar
 
300 366 Garth Huber
301
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302
303 354 Garth Huber
h3. Aug 4, 2022
304
305 365 Garth Huber
* Garth/Stephen Notes attachment:mtg_22aug04.txt
306 363 Vijay Kumar
* Vijay
307
** 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  
308 362 Richard Trotta
* Richard
309
** attachment:KaonLTMeeting_8_4_22.pdf
310
** HeeP coin for 10p6 setting is looking pretty good. I still need to make some minor adjustments.
311
** TLT for Lumi is looking much better. The yields also are looking better but cut adjustments need to be made.
312
** HeeP singles have some odd issues that need to be resolved before offset analysis can begin.
313
** Hodoscope calibrations are all done except 6p2.
314 355 Garth Huber
315 354 Garth Huber
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316
317 350 Richard Trotta
h3. July 14, 2022
318
319 353 Garth Huber
* Garth/Stephen Notes attachment:mtg_22jul14.txt
320 350 Richard Trotta
* Richard
321
** attachment:KaonLTMeeting7_14_22.pdf
322
** The W peaks for SIMC and data are very far offset from one another. This is being investigated.
323 1 Richard Trotta
* Vijay
324 350 Richard Trotta
** Heep Data MC comparo w/o offsets attachment:Heep_coin_no_offsets_vijay_22jul08.pdf
325 349 Garth Huber
326
----
327
328 344 Richard Trotta
h3. June 28, 2022
329
330 349 Garth Huber
* Garth/Stephen Notes attachment:mtg_22jun28.txt
331 344 Richard Trotta
* Richard
332
** Aerogel XY plots vs NPE to check out the tray location and efficiencies.
333
** Hodoscope and calorimeter scripts working. Hodoscope calibration looks good for 10p6 but needs improvement for other beam energies.
334
** HGCer efficiency and plots added to efficiency script. Need to discuss with Vijay on specifics of cuts and efficiencies.
335 1 Richard Trotta
** Started looking in detail at Bill's code. Some scripts and links are missing/broken.
336 348 Jacob Murphy
* Jacob
337
** EDTM Study Report completed, with newer versions of the TLT equations attachment:EDTM_Study_Report.pdf
338
** Graphical Guide for Event Types created to accompany the report, illustrating prescaling with EDTM attachment:Graphical_Guide_Evt_Type.pdf
339 347 Richard Trotta
** Plan to update report file template with new equations and errors soon
340 344 Richard Trotta
341
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342 282 Vijay Kumar
343 338 Garth Huber
h3. June 14, 2022
344
345 343 Garth Huber
* Garth's Notes attachment:efficiencies_22jun13.txt
346 342 Richard Trotta
* Richard
347
** Fixed issues with simc script and 10p6 Heepcoin data. Issue with data was an offset of 40ns that was corrected halfway through runs.
348
** Aerogel XY plots vs NPE to check out the tray location and efficiencies.
349
** Efficiency plots for all production runs.
350
** attachment:KaonLTMeeting6_14_22.pdf
351 338 Garth Huber
352
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353
354 1 Richard Trotta
h3. May 31, 2022
355 330 Garth Huber
356
* Garth and Stephen's Notes attachment:mtg_22may31.txt attachment:efficiencies_22jun02.txt
357 340 Garth Huber
* Vijay 
358 332 Vijay Kumar
** The updated Heep coin study (Heepcheck program) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting_May31_2022.pdf .
359 334 Ali Usman
* Ali
360 355 Garth Huber
** First look at the HEEP COIN Data/SIMC comparison for the 8.2 GeV Kaon-LT data attachment:KaonLT_May31.pdf
361 332 Vijay Kumar
362 314 Garth Huber
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363
364
h3. May 17, 2022
365
366 325 Garth Huber
367 331 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may17.txt attachment:efficiencies_22may25.txt
368 318 Richard Trotta
* Richard
369
** Updated heep coin scripts for the farm. Ali is testing them and should be able to get plots soon.
370
** There was a small typo in the simc input file that dramatically changed the shape of the plots. attachment:KaonLTMeeting5_17_22.pdf
371
** Updated version of efficiency columns for the script that will grab efficiencies and various other values. attachment:efficiency_output_list.docx
372 316 Vijay Kumar
* Vijay 
373
** The updated heep coin study (some spectrometers offsets changed) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting.pdf .
374 317 Vijay Kumar
375 314 Garth Huber
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376
377 299 Garth Huber
h3. May 3, 2022
378 303 Vijay Kumar
379 315 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may03.odt  attachment:efficiencies_22may03.odt
380 308 Ali Usman
* Ali
381
** Fixed all the settings for high Q2 KaonLT data. Also slide on accessing spectrometer angles from CODA
382
** attachment:KaonLT_May_3.pdf
383 309 Richard Trotta
* Richard
384 312 Richard Trotta
** 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
385 302 Vijay Kumar
* Vijay 
386 304 Vijay Kumar
** The SIMC simulation study of the PinoLT data at Q2 = 0.38 and 0.42 GeV2 has completed (preliminary) for all settings.
387 305 Vijay Kumar
** An output pdf file of the 4.5 GeV, Q2 = 0.42 GeV2 and "center" setting is here attachment:Vijay_analysis_May3_2022.pdf .
388 299 Garth Huber
389 300 Garth Huber
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390
391 296 Vijay Kumar
h3. April 19, 2022
392 299 Garth Huber
393
* Garth's Notes attachment:mtg_22apr19.txt
394 1 Richard Trotta
* Vijay 
395 296 Vijay Kumar
** SIMC simulation updates at Q2 = 2.7, 3.6 and 4.5 GeV2. attachment:Vijay_KaonLT_Meeting_Apr19_2022.pdf  
396 298 Vijay Kumar
397 296 Vijay Kumar
----
398
399
h3. April 06, 2022
400 306 Vijay Kumar
401 355 Garth Huber
* Garth's Notes attachment:mtg_22apr06.txt
402 306 Vijay Kumar
* Ali 
403 293 Garth Huber
**  attachment:Analysis_Update_Apr_6.pdf 
404 290 Richard Trotta
* Richard 
405
** attachment:KaonLTMeeting4_6_22.pdf
406 288 Richard Trotta
** The analysis of the 10.6 GeV heep coin/singles settings are still ongoing. 
407
** There were some issues getting the replays working for the singles runs and the analysis. Things finally were sorted out yesterday (and this morning).
408
** The SHMS heep singles are presented. Overall, they look fine. There are still some things to sort out.
409 291 Richard Trotta
** The HMS heep singles are still running.
410 282 Vijay Kumar
* Vijay 
411 306 Vijay Kumar
** The simulation study of the 4.9 GeV KaonLT data has completed.
412 288 Richard Trotta
** This energy has left, center and right settings data. All these settings look fine. 
413 295 Garth Huber
** See the pdf for more info. attachment:Vijay_KaonLT_Meeting_Apri_06_2022.pdf  
414 284 Vijay Kumar
415 1 Richard Trotta
----
416 284 Vijay Kumar
417 281 Richard Trotta
h3. March 23, 2022
418 1 Richard Trotta
419 281 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
420 1 Richard Trotta
* Richard 
421 278 Richard Trotta
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
422
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
423 280 Nathan Heinrich
* Nathan
424
** 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.
425 278 Richard Trotta
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
426
427
---
428
429
h3. March 9, 2022
430
431
* Garth's Notes attachment:mtg_22mar09.txt
432 355 Garth Huber
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
433 267 Richard Trotta
* Richard 
434
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
435
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
436 1 Richard Trotta
* Nathan
437 277 Garth Huber
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
438
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
439 269 Richard Trotta
440 261 Garth Huber
---
441
442 271 Garth Huber
h3. February 23, 2022
443 273 Garth Huber
444 271 Garth Huber
* Garth's Notes attachment:mtg_22feb23.txt
445
446 272 Garth Huber
---
447
448 244 Vijay Kumar
h3. January 26, 2022  
449
450 271 Garth Huber
* Garth's Notes attachment:mtg_22jan26.txt
451 253 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
452 251 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   
453 252 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
454 246 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
455 250 Vijay Kumar
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
456 254 Nathan Heinrich
* Nathan, Short update on the Mode 10
457 255 Nathan Heinrich
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
458 256 Jacob Murphy
* Jacob, EDTM Study 2
459 260 Jacob Murphy
** EDTM study with beam, taken during LUMI Scan 3
460 255 Nathan Heinrich
** Early look at 3rd EDTM Study
461 248 Vijay Kumar
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
462 113 Richard Trotta
463 222 Richard Trotta
----
464 200 Richard Trotta
465 236 Garth Huber
h3. January 12, 2022  
466
467
* Garth's Notes attachment:mtg_22jan12.txt
468
* Junaid
469
** PID study
470 240 Vijay Kumar
* Vijay
471 238 Vijay Kumar
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
472 236 Garth Huber
* Nathan
473
** Mode-10 data variables
474
475 243 Richard Trotta
----
476
477 234 Garth Huber
h3. January 5, 2022  
478
479 235 Garth Huber
* Garth's Notes attachment:mtg_22jan05.txt
480 221 Richard Trotta
* Stephen
481
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
482
* Richard
483
** Update to KLT task schedule
484
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
485
** EDTM study 2 will done sometime this weekend
486 223 Richard Trotta
* Vijay
487
** Breakdown of HEEP single analysis for low Q2 data
488 224 Richard Trotta
*** Shapes of SIMC and data are very off
489
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
490 231 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.  
491 229 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
492 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1375
493 225 Nathan Heinrich
* Nathan
494
** Update on fADC mode 10 studies and the fADC deadtime studies
495
** https://redmine.jlab.org/attachments/1372
496 226 Jacob Murphy
* Jacob
497
** Summary of EDTM analysis so far in the PionLT experiment
498 227 Jacob Murphy
** https://redmine.jlab.org/attachments/1373
499 242 Richard Trotta
500 221 Richard Trotta
----
501
502
h2. 2021 Meetings
503
504 220 Richard Trotta
h3. August 4, 2021
505
506
* Richard
507
** 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).
508
** Issues with the COIN are seen but may be a replay issue.
509
510
----
511
512 217 Richard Trotta
h3. July 21, 2021
513
514 218 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
515 217 Richard Trotta
** 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.
516
517
----
518
519 215 Richard Trotta
h3. May 12, 2021
520
521
* Richard
522
** 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.
523
524
----
525
526 213 Richard Trotta
h3. April 28, 2021
527
528
* Richard
529 214 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.
530 213 Richard Trotta
531
----
532
533 211 Richard Trotta
h3. April 14, 2021
534 212 Richard Trotta
535 211 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
536
** 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). 
537
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
538
539
----
540
541 203 Richard Trotta
h3. March 31, 2021
542
543 206 Richard Trotta
* Richard
544 209 Richard Trotta
** Luminosity studies
545
*** PionLT carbon runs
546
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
547
*** Uncertainties
548
**** Easy to do, I just need to put it into my script
549
** Explicit PS calculations
550
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
551
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
552
** Pass 2 runs
553
*** DEF-files
554
**** I checked out the DEF-files for our combination of the nested files
555
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
556
**** Working on my list of branches for the next replay
557
***** Mainly just working on my list of branches for the explicit PS calculations
558
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
559 210 Stephen Kay
* Stephen
560
** Updated DEF-File for the "full" replay
561
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
562
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
563
** Updating DEF-files/scripts for calibrations as part of PionLT prep
564
** Will focus on DEF-file/DEF-cut file updates over next week
565
*** Will investigate HeeP replays over rest of this week.
566 207 Richard Trotta
567 203 Richard Trotta
----
568
569 201 Stephen Kay
h3. March 24, 2021
570
571
* KaonLT Mini Meeting focusing on Pass2 preparation
572
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
573
574
----
575
576 200 Richard Trotta
h3. March 17, 2021
577
578
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
579 1 Richard Trotta
** 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.
580 202 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
581 201 Stephen Kay
582 200 Richard Trotta
----
583 194 Richard Trotta
584 199 Richard Trotta
h3. March 3, 2021
585
586
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
587
** 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). 
588
** 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.
589
590
----
591
592
593 196 Richard Trotta
h3. February 17, 2021
594 194 Richard Trotta
595
* Richard
596
** 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.
597 198 Nathan Heinrich
* Nathan
598
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
599
600 194 Richard Trotta
----
601
602 196 Richard Trotta
h3. February 3, 2021
603 193 Richard Trotta
604
* Richard
605
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
606
607
----
608
609 196 Richard Trotta
h3. January 20, 2021
610 191 Richard Trotta
611
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
612
** 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.
613
614
----
615
616 196 Richard Trotta
h3. January 6, 2021
617 190 Richard Trotta
618
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
619 322 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related. 
620 186 Richard Trotta
621
----
622
623
h2. 2020 Meetings
624
625 185 Richard Trotta
h3. December 2, 2020
626
 
627
* Ali and Richard
628
** 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.
629
630
----
631
632 180 Richard Trotta
h3. November 18, 2020
633
634 183 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
635 181 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.
636 180 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
637
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
638
* Stephen
639 182 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
640 180 Richard Trotta
641
----
642
643 178 Richard Trotta
h3. November 4, 2020
644 321 Richard Trotta
 
645 178 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
646 321 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. 
647 178 Richard Trotta
648 141 Stephen Kay
----
649
650 170 Richard Trotta
h3. October 28, 2020
651
652
* Ali
653 177 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
654 172 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
655 173 Richard Trotta
** Luminosity analysis continues. There are still some issues but things have improved a bit.
656 171 Stephen Kay
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
657
** Discussion of CT peak analysis, progress and outline of what's left to do with this
658 174 Richard Trotta
* Vijay
659 176 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
660 170 Richard Trotta
661
----
662
663 164 Richard Trotta
h3. October 14, 2020
664
665 168 Richard Trotta
* Ali
666 164 Richard Trotta
** Working through the REPORT_FILES template to get everything working and outputting proper information.
667
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
668
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
669 167 Richard Trotta
* Stephen
670 164 Richard Trotta
** He has included a demo for using the python analysis script in the README.
671 1 Richard Trotta
672 164 Richard Trotta
----
673
674 161 Richard Trotta
h3. September 23, 2020
675
676
* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
677
** 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. 
678
* Stephen
679 162 Richard Trotta
** 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.
680
* Petr
681
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
682 161 Richard Trotta
683
----
684
685 149 Richard Trotta
h3. September 9, 2020
686 156 Richard Trotta
687
* Richard
688 157 Richard Trotta
** Still working on run list, GUI checks
689 156 Richard Trotta
* "Stephen":https://redmine.jlab.org/issues/567
690
** New slim replay scripts and full replay scripts updated
691
* Ali
692
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
693
** Need to be vigilant of crashed replays because this is probably the issue
694 158 Richard Trotta
* Vijay
695 156 Richard Trotta
** Nearly finished with HGcer calibrations
696 1 Richard Trotta
697 156 Richard Trotta
----
698
699
h3. August 26, 2020
700
701 149 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
702 154 Richard Trotta
703
* Richard
704
** 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.
705
* Stephen
706
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
707
* Ali
708
** 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)
709
* Vijay
710 150 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
711 1 Richard Trotta
712 149 Richard Trotta
----
713
714 144 Richard Trotta
h3. July 29, 2020
715 147 Stephen Kay
716 148 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/1029/klt_7_29_20.html "Stephen":https://redmine.jlab.org/documents/106
717 146 Stephen Kay
718 155 Richard Trotta
* Stephen
719
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
720
* Richard
721
** Updated plan and schedule for the analysis going forward
722 1 Richard Trotta
723 144 Richard Trotta
----
724
725 139 Richard Trotta
h3. July 8, 2020
726 1 Richard Trotta
727 139 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
728 150 Richard Trotta
729 139 Richard Trotta
----
730
731 132 Richard Trotta
h3. June 24, 2020
732
733 143 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
734 132 Richard Trotta
735
----
736
737 129 Richard Trotta
h3. June 9, 2020
738
739 135 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
740 129 Richard Trotta
741
----
742
743 125 Richard Trotta
h3. May 27, 2020
744
745 126 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
746 128 Richard Trotta
747 125 Richard Trotta
----
748
749 118 Stephen Kay
h3. May 13, 2020
750 124 Richard Trotta
751 138 Stephen Kay
*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
752 1 Richard Trotta
753 121 Richard Trotta
----
754
755 111 Richard Trotta
h3. April 29, 2020
756
757 138 Stephen Kay
*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
758 106 Richard Trotta
759 1 Richard Trotta
----
760 106 Richard Trotta
761 111 Richard Trotta
h3. April 15, 2020
762 104 Richard Trotta
763 102 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
764 105 Richard Trotta
765 102 Richard Trotta
----
766 95 Stephen Kay
767 111 Richard Trotta
h3. April 1, 2020
768 100 Stephen Kay
769 138 Stephen Kay
*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
770 101 Richard Trotta
771 41 Stephen Kay
----
772 93 Richard Trotta
773 111 Richard Trotta
h3. March 18, 2020
774 93 Richard Trotta
775
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
776 1 Richard Trotta
777 93 Richard Trotta
----
778 91 Richard Trotta
779 111 Richard Trotta
h3. March 11, 2020
780 92 Richard Trotta
781 1 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
782 94 Richard Trotta
783 91 Richard Trotta
----
784 88 Richard Trotta
785 111 Richard Trotta
h3. Feb 26, 2020
786 90 Richard Trotta
787
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
788
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
789 1 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
790 88 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
791 1 Richard Trotta
792
----
793 86 Richard Trotta
794 111 Richard Trotta
h3. Feb 10, 2020 
795 87 Richard Trotta
796 86 Richard Trotta
----
797 1 Richard Trotta
798 111 Richard Trotta
h3. Jan 22, 2020
799 83 Richard Trotta
800
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
801 85 Richard Trotta
802 1 Richard Trotta
----
803 83 Richard Trotta
804 111 Richard Trotta
h3. Jan 15,2020
805 81 Richard Trotta
806 82 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
807 81 Richard Trotta
808
----
809 78 Richard Trotta
810 111 Richard Trotta
h3. Jan 8,2020
811 78 Richard Trotta
812 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
813 79 Richard Trotta
814 1 Richard Trotta
* Richard
815
** PID efficiency script is coming together
816
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
817
*** 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.
818
819 80 Richard Trotta
----
820 113 Richard Trotta
821 112 Richard Trotta
h2. 2019 Meetings
822 80 Richard Trotta
823 141 Stephen Kay
----
824
825 111 Richard Trotta
h3. Dec 17,2019
826
827 77 Richard Trotta
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
828
829
* Stephen
830
** Number of passes finished for HMS calorimeter
831
*** Still wiggles in all passes
832
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
833
** 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
834
*** CUA will be putting together a similar list
835 1 Richard Trotta
836 77 Richard Trotta
* Richard
837
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
838
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
839
*** Eventually need to include tracking into PID efficiencies
840
** Pete brought up the question for a number of multi-hits we are getting
841
*** (Dead Time)+(Trigger efficiency)-EDTM
842
843
----
844 72 Richard Trotta
845 111 Richard Trotta
h3. Dec 10,2019
846 72 Richard Trotta
847 74 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
848
849
* Garth and Stephen were in the most recent SIDIS meeting
850
** Wit had lots of hcana changes but they seem to be critical to our work 
851
*** Changes such as new detector classes
852 1 Richard Trotta
** Hopefully Wit will present these in the next commissioning meeting
853
854 77 Richard Trotta
* Stephen improved wiggles but still prevalent
855 74 Richard Trotta
856
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
857
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
858
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
859
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
860
861 75 Richard Trotta
----
862 74 Richard Trotta
863 111 Richard Trotta
h3. Nov 26,2019
864 71 Richard Trotta
865
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
866
867
* Stephen
868
** DC SHMS, small-angle has poor performance
869
*** Tighter cuts or PID (currently only looks for electrons)
870
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
871
872
* Richard
873 1 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.
874 71 Richard Trotta
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
875
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
876
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
877
** We can begin looking forward towards efficiencies. 
878
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
879
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
880
881
* Hem
882
** Has been looking at the calorimeter as well. 
883 70 Richard Trotta
** 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.  
884
885
----
886
887 111 Richard Trotta
h3. Nov 19,2019
888 1 Richard Trotta
889 70 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
890
891
* Richard
892
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
893
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
894
895
* Stephen
896
** Issues with DC calibration for only a few runs during each run period
897
** "wiggles" in HMS calorimeter calibrations for some runs
898
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
899
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
900
901 2 Richard Trotta
----
902 68 Richard Trotta
903 111 Richard Trotta
h3. Nov 5,2019
904 68 Richard Trotta
905
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
906
907
* Timing update (Stephen)
908
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
909
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
910
** First pass of detector reference time parameter files finished
911 1 Richard Trotta
912 68 Richard Trotta
* Peter's hcana code (Richard and Stephen)
913
** 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
914
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
915
** 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.
916
917
* Calibrations were decided to be done once per shift
918
919
* Next meeting schedule...
920 127 Richard Trotta
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
921
** November 26 (at 3pm EST) will be a larger meeting. 
922 68 Richard Trotta
*** This is the rough deadline we made for finishing up calibrations. 
923
*** 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!!
924
925
----
926
927 111 Richard Trotta
h3. Oct 22,2019
928 62 Richard Trotta
929 64 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
930 62 Richard Trotta
931 65 Richard Trotta
* SHMS Reference Time Amplitude Cuts(Stephen)
932
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
933
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
934
** This is a temporary fix to "ghost-bands" and cross talk
935
*** Although for HG there is still a small peak. The hodoscope is fine.
936
** The time window is easier to set now.
937
** DC has been fine (since it uses TDC)
938
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
939
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
940
941 1 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
942 67 Richard Trotta
** Peter implemented changes to hcana
943
** Two major issues...
944 1 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
945 67 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
946 1 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)
947 67 Richard Trotta
*** Peter created a routine to find the best offset by means of matching TDC and ADC
948
** Richard has been checking for bugs in the code. 
949
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
950
951 1 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
952 67 Richard Trotta
** Besides hodoscope which still has an issue with the script
953 65 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
954 62 Richard Trotta
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
955
956 1 Richard Trotta
-----
957 61 Richard Trotta
958 111 Richard Trotta
h3. Sep 24,2019
959 61 Richard Trotta
960
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
961 1 Richard Trotta
962 61 Richard Trotta
-----
963 1 Richard Trotta
964 111 Richard Trotta
h3. Sep 10,2019
965 59 Vijay Kumar
966
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
967 1 Richard Trotta
968
-----
969 55 Stephen Kay
970 111 Richard Trotta
h3. August 26, 2019
971 55 Stephen Kay
972
*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
973 1 Richard Trotta
974 54 Richard Trotta
----
975
976 111 Richard Trotta
h3. June 21, 2019
977 54 Richard Trotta
978 1 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
979 54 Richard Trotta
980 42 Stephen Kay
----
981
982 111 Richard Trotta
h3. June 14, 2019
983 1 Richard Trotta
984 46 Richard Trotta
*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
985 42 Stephen Kay
986
987 35 Stephen Kay
----
988 1 Richard Trotta
989 111 Richard Trotta
h3. June 4, 2019
990 36 Vijay Kumar
991 1 Richard Trotta
*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
992 35 Stephen Kay
993 1 Richard Trotta
994 35 Stephen Kay
----
995 1 Richard Trotta
996 111 Richard Trotta
h3. May 21, 2019
997 1 Richard Trotta
998
*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
999 35 Stephen Kay
1000
----
1001 1 Richard Trotta
1002 111 Richard Trotta
h3. May 14, 2019
1003 1 Richard Trotta
1004 35 Stephen Kay
*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
1005 1 Richard Trotta
1006 35 Stephen Kay
----
1007 1 Richard Trotta
1008 111 Richard Trotta
h3. April 30, 2019
1009 1 Richard Trotta
1010
*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
1011 35 Stephen Kay
1012 1 Richard Trotta
----
1013
1014
h3. February 4, 2019
1015
1016
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
1017
1018
----
1019 113 Richard Trotta
1020 112 Richard Trotta
h2. 2018 Meetings
1021 141 Stephen Kay
1022
----
1023 111 Richard Trotta
1024
h3. August 21, 2018
1025
1026 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
1027 35 Stephen Kay
1028 1 Richard Trotta
----
1029 35 Stephen Kay
1030 111 Richard Trotta
h3. August 8, 2018
1031 35 Stephen Kay
1032
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
1033 1 Richard Trotta
1034
----
1035 35 Stephen Kay
1036 111 Richard Trotta
h3. August 3, 2018
1037 1 Richard Trotta
1038 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383
1039
*Links to talks->*
1040 1 Richard Trotta
1041 35 Stephen Kay
----
1042 1 Richard Trotta
1043 111 Richard Trotta
h3. July 11, 2018
1044 1 Richard Trotta
1045 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #384
1046 1 Richard Trotta
1047 35 Stephen Kay
*Action items:*
1048 1 Richard Trotta
1049 35 Stephen Kay
* Update run plan, e.g. add prescales (Garth)
1050
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
1051
* Identify additional run coordinators (Tanja)
1052
* Encourage collaborators to take shifts, e.g. FIU (Pete)
1053
* Draft email about shifts etc. to collaboration (Tanja)
1054
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
1055
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
1056 1 Richard Trotta
1057 35 Stephen Kay
*Discussions:*
1058
1059
* 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
1060
* HGC: waiting for re-installation
1061
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
1062 1 Richard Trotta
* Shifts
1063
* Diagnostics scripts and documentation
1064
* Personnel schedules
1065
1066
----
1067
1068 111 Richard Trotta
h3. June 28, 2018
1069 1 Richard Trotta
1070
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
1071
1072
*Action Items:*
1073
1074
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
1075
* Contact potential run coordinators. (Tanja)
1076
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
1077
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
1078
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
1079
* 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)
1080
* Develop trigger/detector checkout plan (Tanja, initial draft)
1081
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
1082
* 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)
1083
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
1084
1085
*Analysis Updates:*
1086
1087
* Ryan 
1088
** resolving differences between his analysis and Richard's
1089
1090
* Richard
1091
** 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
1092
** 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.
1093
1094
----
1095
1096 111 Richard Trotta
h3. May 31, 2018
1097 1 Richard Trotta
1098 35 Stephen Kay
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
1099 1 Richard Trotta
1100 35 Stephen Kay
----
1101 1 Richard Trotta
1102 111 Richard Trotta
h3. May 17, 2018 
1103 1 Richard Trotta
1104 35 Stephen Kay
*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
1105 2 Richard Trotta
1106 35 Stephen Kay
* Luminosity scans (Richard, Ryan)
1107 111 Richard Trotta
** Carbon scan from April seems consistent with no boiling, LH3 and LD2 show deviation from unity, should check effect of EDTM events on efficiencies
1108 35 Stephen Kay
** 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
1109
** discussion about pre-scale factors
1110 1 Richard Trotta
1111 35 Stephen Kay
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
1112
** Add option for looking at yields with cuts on cointime, target window, and missing mass
1113
** Add option to look at real peak vs. background level
1114 1 Richard Trotta
1115 35 Stephen Kay
* H(e,e'p) kinematics investigation for fall run (Samip)
1116
** 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
1117 1 Richard Trotta
1118 35 Stephen Kay
* *Action Items*
1119
** Luminosity scans at low rates from January (Richard)
1120
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
1121
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
1122
** Kaon LT detailed run plan (Garth, Pete, Tanja)
1123
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
1124 1 Richard Trotta
1125
----
1126
1127 111 Richard Trotta
h3. May 10, 2018
1128 35 Stephen Kay
1129 2 Richard Trotta
*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
1130 35 Stephen Kay
1131
* Luminosity Scans January 2018 (Richard)
1132
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
1133
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
1134
** Efficiency calculation was investigated in detail and applied using scalers from trees
1135
** Results for carbon (normalized to 30uA) show large variation - need to understand
1136
** *Next steps:*
1137
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
1138
*** Check stability of pre-scale (Ryan saw changes within runs)
1139
*** Check if detector calibrations for runs are implemented correctly
1140
*** Analyze with Ryan's cuts
1141 1 Richard Trotta
1142 35 Stephen Kay
* Luminosity Scans April 2018 (Ryan)
1143
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
1144
** Tracking-based analysis for runs 2073-2095
1145
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
1146
** Included most recent detector calibrations in replay of these runs
1147
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
1148
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
1149
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
1150
** *Next steps:*
1151 5 Richard Trotta
*** Check tracking efficiency
1152 35 Stephen Kay
1153
* *Global comments on Luminosity Scans (so far)*
1154 1 Richard Trotta
** 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.
1155 35 Stephen Kay
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
1156
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
1157
** Uncertainties on current
1158
** Detector calibrations
1159 1 Richard Trotta
** HMS vs. SHMS
1160 35 Stephen Kay
1161
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
1162
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
1163
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
1164
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
1165
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
1166
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
1167 1 Richard Trotta
** *Next steps:*
1168 2 Richard Trotta
*** Look for a run with kaon momentum closer to 3 GeV/c (aerogel threshold is ~3 GeV/c for kaons for n=1.015)
1169 35 Stephen Kay
1170
* Yield normalized ratios from SIDIS (Hem)
1171
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
1172
** *Next steps:*
1173 4 Richard Trotta
*** Check if efficiencies, currents, run time etc. are taken into account correctly
1174
1175
----
1176 35 Stephen Kay
1177 111 Richard Trotta
h3. April 26, 2018
1178 4 Richard Trotta
1179 35 Stephen Kay
*Links to talks->* "Richard,":https://redmine.jlab.org/documents/18 "Ryan, ":https://redmine.jlab.org/documents/20 "Samip":https://redmine.jlab.org/documents/25
1180 4 Richard Trotta
1181 35 Stephen Kay
* Discussion luminosity scan analysis (earlier scan) - Richard
1182
** 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
1183
** Notes on efficiencies in report file:
1184
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
1185
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
1186
*** Tracking efficiency needs to be checked
1187
*** 3/4 trigger efficiency seems ok
1188
* Discussion luminosity scan analysis (later scan) - Ryan
1189
** Fewer carbon runs than earlier scan
1190
** Shown is a tracking-based analysis using data from the ROOT trees
1191 111 Richard Trotta
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
1192 35 Stephen Kay
* SIDIS analysis - Hem
1193
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
1194
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
1195
* Analysis of exclusive events in SIDIS - Samip
1196
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
1197
** Ongoing work on implementing coincidence time into tree
1198
* Discussion of run plan, and in particular possible low Q2/low energy
1199
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
1200
** 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
1201
** Garth will put this together in a draft email
1202
1203 12 Richard Trotta
----
1204
1205 111 Richard Trotta
h3. March 29, 2018
1206 12 Richard Trotta
1207 35 Stephen Kay
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
1208 13 Richard Trotta
1209 35 Stephen Kay
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
1210
* Luminosity scans (Ryan, Andres, Richard, Pete)
1211
* Macros, SIDIS analysis (Hem, Anashe)
1212
* Elastic data (TBD)
1213
1214 14 Richard Trotta
----
1215 18 Richard Trotta
1216 111 Richard Trotta
h3. February 22, 2018
1217 18 Richard Trotta
1218 35 Stephen Kay
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
1219 18 Richard Trotta
1220 35 Stephen Kay
*  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.
1221
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
1222
* Discussion of Richard's slides on run plan kinematics and preparations -
1223
** 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
1224
** 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
1225
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
1226
** kinematics plots W-Q2 show that still need to do some optimization
1227
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
1228
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
1229 26 Richard Trotta
1230 35 Stephen Kay
* *Action Items:*
1231
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
1232
** Update run sheet and kinematic optimization for W/Q2 (Garth)
1233
** Circulate elastic calculations for kinematic settings (Samip)
1234
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
1235
** Test software installation instructions (Pete)
1236
** 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) 
1237 32 Stephen Kay
1238
----