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Kaon LT Meetings » History » Version 317

Vijay Kumar, 05/16/2022 05:36 PM

1 116 Richard Trotta
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2 1 Richard Trotta
3 293 Garth Huber
h1. *KaonLT/PionLT 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
7 244 Vijay Kumar
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8 284 Vijay Kumar
9 282 Vijay Kumar
h2. 2022 Meetings
10
11 314 Garth Huber
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12
13
h3. May 17, 2022
14
15 316 Vijay Kumar
* Vijay 
16
** The updated heep coin study (some spectrometers offsets changed) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting.pdf .
17 317 Vijay Kumar
18 314 Garth Huber
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19
20 299 Garth Huber
h3. May 3, 2022
21 303 Vijay Kumar
22 315 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may03.odt  attachment:efficiencies_22may03.odt
23 308 Ali Usman
* Ali
24
** Fixed all the settings for high Q2 KaonLT data. Also slide on accessing spectrometer angles from CODA
25
** attachment:KaonLT_May_3.pdf
26 309 Richard Trotta
* Richard
27 312 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
28 302 Vijay Kumar
* Vijay 
29 304 Vijay Kumar
** The SIMC simulation study of the PinoLT data at Q2 = 0.38 and 0.42 GeV2 has completed (preliminary) for all settings.
30 305 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 .
31 299 Garth Huber
32 300 Garth Huber
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33
34 296 Vijay Kumar
h3. April 19, 2022
35 299 Garth Huber
36
* Garth's Notes attachment:mtg_22apr19.txt
37 296 Vijay Kumar
* Vijay 
38 298 Vijay Kumar
** SIMC simulation updates at Q2 = 2.7, 3.6 and 4.5 GeV2. attachment:Vijay_KaonLT_Meeting_Apr19_2022.pdf  
39 296 Vijay Kumar
40
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41
42 282 Vijay Kumar
h3. April 06, 2022
43 294 Garth Huber
44 306 Vijay Kumar
* Ali 
45
**  attachment:Analysis_Update_Apr_6.pdf 
46
47 293 Garth Huber
* Garth's Notes attachment:mtg_22apr06.txt
48 290 Richard Trotta
* Richard 
49
** attachment:KaonLTMeeting4_6_22.pdf
50 288 Richard Trotta
** The analysis of the 10.6 GeV heep coin/singles settings are still ongoing. 
51
** There were some issues getting the replays working for the singles runs and the analysis. Things finally were sorted out yesterday (and this morning).
52
** The SHMS heep singles are presented. Overall, they look fine. There are still some things to sort out.
53 291 Richard Trotta
** The HMS heep singles are still running.
54 282 Vijay Kumar
* Vijay 
55
** The simulation study of the 4.9 GeV KaonLT data has completed.
56
** This energy has left, center and right settings data. All these settings look fine. 
57 285 Vijay Kumar
** See the pdf for more info. attachment:Vijay_KaonLT_Meeting_Apri_06_2022.pdf  
58 306 Vijay Kumar
59 288 Richard Trotta
60 295 Garth Huber
Next meeting April TBD
61 284 Vijay Kumar
62 1 Richard Trotta
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63 284 Vijay Kumar
64 281 Richard Trotta
h3. March 23, 2022
65 1 Richard Trotta
66 281 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
67 278 Richard Trotta
* Richard 
68
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
69
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
70 279 Nathan Heinrich
* Nathan
71 280 Nathan Heinrich
** 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.
72
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
73 278 Richard Trotta
74
Next meeting April 6th @ 1 EDT
75
76
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77
78
h3. March 9, 2022
79
80 271 Garth Huber
* Garth's Notes attachment:mtg_22mar09.txt
81 267 Richard Trotta
* Richard 
82
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
83
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
84 268 Nathan Heinrich
* Nathan
85
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
86
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
87 267 Richard Trotta
88 1 Richard Trotta
Next meeting March 23th @ 1 EDT
89 277 Garth Huber
90
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
91 269 Richard Trotta
92 261 Garth Huber
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93
94 271 Garth Huber
h3. February 23, 2022
95 273 Garth Huber
96 271 Garth Huber
* Garth's Notes attachment:mtg_22feb23.txt
97
98 272 Garth Huber
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99
100 244 Vijay Kumar
h3. January 26, 2022  
101
102 271 Garth Huber
* Garth's Notes attachment:mtg_22jan26.txt
103 253 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
104 251 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   
105 252 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
106 246 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
107 250 Vijay Kumar
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
108 254 Nathan Heinrich
* Nathan, Short update on the Mode 10
109 255 Nathan Heinrich
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
110 256 Jacob Murphy
* Jacob, EDTM Study 2
111 260 Jacob Murphy
** EDTM study with beam, taken during LUMI Scan 3
112 255 Nathan Heinrich
** Early look at 3rd EDTM Study
113 248 Vijay Kumar
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
114 113 Richard Trotta
115 222 Richard Trotta
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116 200 Richard Trotta
117 236 Garth Huber
h3. January 12, 2022  
118
119
* Garth's Notes attachment:mtg_22jan12.txt
120
* Junaid
121
** PID study
122
* Vijay
123 240 Vijay Kumar
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
124 238 Vijay Kumar
125 236 Garth Huber
* Nathan
126
** Mode-10 data variables
127
128 243 Richard Trotta
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129
130 234 Garth Huber
h3. January 5, 2022  
131
132 235 Garth Huber
* Garth's Notes attachment:mtg_22jan05.txt
133 221 Richard Trotta
* Stephen
134
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
135
* Richard
136
** Update to KLT task schedule
137
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
138
** EDTM study 2 will done sometime this weekend
139 223 Richard Trotta
* Vijay
140
** Breakdown of HEEP single analysis for low Q2 data
141 224 Richard Trotta
*** Shapes of SIMC and data are very off
142
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
143 231 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.  
144 229 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
145 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1375
146 225 Nathan Heinrich
* Nathan
147
** Update on fADC mode 10 studies and the fADC deadtime studies
148
** https://redmine.jlab.org/attachments/1372
149 226 Jacob Murphy
* Jacob
150
** Summary of EDTM analysis so far in the PionLT experiment
151 227 Jacob Murphy
** https://redmine.jlab.org/attachments/1373
152 242 Richard Trotta
153 221 Richard Trotta
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154
155
h2. 2021 Meetings
156
157 220 Richard Trotta
h3. August 4, 2021
158
159
* Richard
160
** 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).
161
** Issues with the COIN are seen but may be a replay issue.
162
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164
165 217 Richard Trotta
h3. July 21, 2021
166
167 218 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
168 217 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.
169
170 218 Richard Trotta
Next meeting August 4th @ 4:30 ED
171 217 Richard Trotta
172
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173
174 215 Richard Trotta
h3. May 12, 2021
175
176
* Richard
177
** 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.
178
179 216 Richard Trotta
Next meeting May 26th @ 4:30 ED
180 215 Richard Trotta
181
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182
183 213 Richard Trotta
h3. April 28, 2021
184
185
* Richard
186 214 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.
187 213 Richard Trotta
188
Next meeting May 12th @ 4:30 EDT
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191
192 211 Richard Trotta
h3. April 14, 2021
193 212 Richard Trotta
194 211 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
195
** 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). 
196
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
197
198
Next meeting April 14th @ 4:30 EDT
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201
202 203 Richard Trotta
h3. March 31, 2021
203
204 206 Richard Trotta
* Richard
205 209 Richard Trotta
** Luminosity studies
206
*** PionLT carbon runs
207
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
208
*** Uncertainties
209
**** Easy to do, I just need to put it into my script
210
** Explicit PS calculations
211
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
212
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
213
** Pass 2 runs
214
*** DEF-files
215
**** I checked out the DEF-files for our combination of the nested files
216
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
217
**** Working on my list of branches for the next replay
218
***** Mainly just working on my list of branches for the explicit PS calculations
219
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
220 210 Stephen Kay
* Stephen
221
** Updated DEF-File for the "full" replay
222
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
223
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
224
** Updating DEF-files/scripts for calibrations as part of PionLT prep
225
** Will focus on DEF-file/DEF-cut file updates over next week
226
*** Will investigate HeeP replays over rest of this week.
227 207 Richard Trotta
228
229 203 Richard Trotta
230
Next meeting April 14th @ 4:30 EDT
231
232
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233
234 201 Stephen Kay
h3. March 24, 2021
235
236
* KaonLT Mini Meeting focusing on Pass2 preparation
237
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
238
239 202 Stephen Kay
Next meeting March 31st @ 4:30 EDT
240 201 Stephen Kay
241
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242
243 200 Richard Trotta
h3. March 17, 2021
244
245
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
246 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.
247 202 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
248 201 Stephen Kay
249
Next meeting March 31st @ 4:30 EDT
250 200 Richard Trotta
251
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252 194 Richard Trotta
253 199 Richard Trotta
h3. March 3, 2021
254
255
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
256
** 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). 
257
** 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.
258
259
Next meeting March 17th @ 4:30 EST
260
261
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262
263
264 196 Richard Trotta
h3. February 17, 2021
265 194 Richard Trotta
266
* Richard
267
** 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.
268
269 198 Nathan Heinrich
* Nathan
270
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
271
272 194 Richard Trotta
Next meeting March 3rd @ 4:30 EST
273
274
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275
276 196 Richard Trotta
h3. February 3, 2021
277 193 Richard Trotta
278
* Richard
279
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
280
281
Next meeting February 17th @ 4:30 EST
282
283
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284
285 196 Richard Trotta
h3. January 20, 2021
286 191 Richard Trotta
287
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
288
** 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.
289
290 1 Richard Trotta
291 191 Richard Trotta
Next meeting February 3rd @ 4:30 EST
292
293
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294
295 196 Richard Trotta
h3. January 6, 2021
296 190 Richard Trotta
297
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
298 186 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related.
299
* Vijay
300
** 
301 1 Richard Trotta
302 191 Richard Trotta
Next meeting January 20th @ 4:30 EST
303 186 Richard Trotta
304
305
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306
307
h2. 2020 Meetings
308
309 185 Richard Trotta
h3. December 2, 2020
310
 
311
* Carlos
312
** 
313
* Ali and Richard
314
** 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.
315
* Stephen
316
** 
317
* Vijay
318
** 
319
320
Next meeting December 16th @ 4:30 EST
321
322
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323
324 180 Richard Trotta
h3. November 18, 2020
325
326
* Ali
327
** 
328 183 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
329 181 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.
330 180 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
331
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
332
* Stephen
333 182 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
334 180 Richard Trotta
* Vijay
335
** 
336
337 184 Richard Trotta
Next meeting December 2nd @ 4:30 EST
338 180 Richard Trotta
339
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340
341 178 Richard Trotta
h3. November 4, 2020
342
343
* Ali
344
** 
345
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
346 179 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.
347 178 Richard Trotta
* Stephen
348
** 
349
* Vijay
350
** 
351
352
Next meeting November 18th @ 4:30 EST
353
354
355 141 Stephen Kay
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356
357 170 Richard Trotta
h3. October 28, 2020
358
359
* Ali
360 177 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
361 172 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
362 173 Richard Trotta
** Luminosity analysis continues. There are still some issues but things have improved a bit.
363 171 Stephen Kay
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
364
** Discussion of CT peak analysis, progress and outline of what's left to do with this
365 174 Richard Trotta
* Vijay
366 176 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
367 170 Richard Trotta
368 177 Richard Trotta
Next meeting November 4th @ 4:30 EST
369 170 Richard Trotta
370
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371
372 164 Richard Trotta
h3. October 14, 2020
373
374 168 Richard Trotta
* Ali
375 164 Richard Trotta
** Working through the REPORT_FILES template to get everything working and outputting proper information.
376
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
377
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
378 167 Richard Trotta
* Stephen
379 164 Richard Trotta
** He has included a demo for using the python analysis script in the README.
380 1 Richard Trotta
381 170 Richard Trotta
Next meeting October 28th @ 4:30 EST
382 164 Richard Trotta
383
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384
385 161 Richard Trotta
h3. September 23, 2020
386
387
* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
388
** 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. 
389
* Stephen
390 162 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.
391
* Petr
392
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
393 161 Richard Trotta
394 163 Richard Trotta
Next meeting October 14th @ 4:30 EST
395 161 Richard Trotta
396
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397
398 149 Richard Trotta
h3. September 9, 2020
399 156 Richard Trotta
400
* Richard
401 157 Richard Trotta
** Still working on run list, GUI checks
402 156 Richard Trotta
* "Stephen":https://redmine.jlab.org/issues/567
403
** New slim replay scripts and full replay scripts updated
404
* Ali
405
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
406
** Need to be vigilant of crashed replays because this is probably the issue
407 158 Richard Trotta
* Vijay
408 156 Richard Trotta
** Nearly finished with HGcer calibrations
409 1 Richard Trotta
410 161 Richard Trotta
Next meeting September 23rd @ 4:30 EST
411 156 Richard Trotta
412
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413
414
h3. August 26, 2020
415
416 149 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
417 154 Richard Trotta
418
* Richard
419
** 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.
420
* Stephen
421
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
422
* Ali
423
** 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)
424
* Vijay
425 150 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
426 1 Richard Trotta
427 156 Richard Trotta
Next meeting September 9 @ 5 EST
428 150 Richard Trotta
429 149 Richard Trotta
----
430
431 144 Richard Trotta
h3. July 29, 2020
432 147 Stephen Kay
433 148 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
434 146 Stephen Kay
435 155 Richard Trotta
* Stephen
436
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
437
* Richard
438
** Updated plan and schedule for the analysis going forward
439 1 Richard Trotta
440 150 Richard Trotta
Next meeting August 26th @ 4:30 EST
441
442 144 Richard Trotta
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443
444 139 Richard Trotta
h3. July 8, 2020
445 1 Richard Trotta
446 139 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
447 150 Richard Trotta
448 140 Richard Trotta
Next meeting July 29 @ 4:30 EST
449 139 Richard Trotta
450
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451
452 132 Richard Trotta
h3. June 24, 2020
453
454 143 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
455 137 Richard Trotta
Next meeting July 8th @ 4:30 EST
456 132 Richard Trotta
457
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458
459 129 Richard Trotta
h3. June 9, 2020
460
461 135 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
462 129 Richard Trotta
463 131 Richard Trotta
Next meeting June 24th @ 4:30 EST
464 129 Richard Trotta
465
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466
467 125 Richard Trotta
h3. May 27, 2020
468
469 126 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
470 128 Richard Trotta
471 127 Richard Trotta
Next meeting June 9th @ 4:30 EST
472 125 Richard Trotta
473
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474
475 118 Stephen Kay
h3. May 13, 2020
476 124 Richard Trotta
477 138 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
478 1 Richard Trotta
479 127 Richard Trotta
Next meeting May 27th @ 4:30 EST
480 118 Stephen Kay
481 121 Richard Trotta
----
482
483 111 Richard Trotta
h3. April 29, 2020
484
485 138 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
486 106 Richard Trotta
487 127 Richard Trotta
Next meeting May 13th @ 4:30 EST
488 106 Richard Trotta
489 1 Richard Trotta
----
490 106 Richard Trotta
491 111 Richard Trotta
h3. April 15, 2020
492 104 Richard Trotta
493 102 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
494 105 Richard Trotta
495 127 Richard Trotta
Next meeting April 29th @ 4:30 EST
496 1 Richard Trotta
497 102 Richard Trotta
----
498 95 Stephen Kay
499 111 Richard Trotta
h3. April 1, 2020
500 100 Stephen Kay
501 138 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
502 101 Richard Trotta
503 127 Richard Trotta
Next meeting April 15th @  4:30 EST
504 101 Richard Trotta
505 41 Stephen Kay
----
506 93 Richard Trotta
507 111 Richard Trotta
h3. March 18, 2020
508 93 Richard Trotta
509
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
510 1 Richard Trotta
511 127 Richard Trotta
Next meeting April 1st @  4:30 EST
512 93 Richard Trotta
513
----
514 91 Richard Trotta
515 111 Richard Trotta
h3. March 11, 2020
516 92 Richard Trotta
517 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
518 94 Richard Trotta
519 127 Richard Trotta
Next meeting March 18th @  4:30 EST
520 91 Richard Trotta
521
----
522 88 Richard Trotta
523 111 Richard Trotta
h3. Feb 26, 2020
524 90 Richard Trotta
525
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
526
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
527 1 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
528 88 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
529 1 Richard Trotta
530 127 Richard Trotta
Next meeting March 11th @  4:30 EST
531 86 Richard Trotta
532 1 Richard Trotta
----
533 86 Richard Trotta
534 111 Richard Trotta
h3. Feb 10, 2020 
535 87 Richard Trotta
536 127 Richard Trotta
Next meeting Feb 26th @ 11 am EST
537 86 Richard Trotta
538
----
539 1 Richard Trotta
540 111 Richard Trotta
h3. Jan 22, 2020
541 83 Richard Trotta
542
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
543 85 Richard Trotta
544 127 Richard Trotta
Next meeting Feb 10 @ 11 am EST
545 83 Richard Trotta
546 1 Richard Trotta
----
547 83 Richard Trotta
548 111 Richard Trotta
h3. Jan 15,2020
549 81 Richard Trotta
550 82 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
551 81 Richard Trotta
552 127 Richard Trotta
Next meeting Jan 22 @ 11 am EST
553 81 Richard Trotta
554
----
555 78 Richard Trotta
556 111 Richard Trotta
h3. Jan 8,2020
557 78 Richard Trotta
558 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
559 79 Richard Trotta
560 1 Richard Trotta
* Richard
561
** PID efficiency script is coming together
562
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
563
*** 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.
564
565
Next meeting will be January 15th at 4 pm EST 
566
567 80 Richard Trotta
----
568 113 Richard Trotta
569 112 Richard Trotta
h2. 2019 Meetings
570 80 Richard Trotta
571 141 Stephen Kay
----
572
573 111 Richard Trotta
h3. Dec 17,2019
574
575 77 Richard Trotta
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
576
577
* Stephen
578
** Number of passes finished for HMS calorimeter
579
*** Still wiggles in all passes
580
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
581
** 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
582
*** CUA will be putting together a similar list
583 1 Richard Trotta
584 77 Richard Trotta
* Richard
585
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
586
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
587
*** Eventually need to include tracking into PID efficiencies
588
** Pete brought up the question for a number of multi-hits we are getting
589
*** (Dead Time)+(Trigger efficiency)-EDTM
590
591 127 Richard Trotta
Next meeting will be after the break; Wednesday, January 8th at 3 pm EST
592 77 Richard Trotta
593
----
594 72 Richard Trotta
595 111 Richard Trotta
h3. Dec 10,2019
596 72 Richard Trotta
597 74 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
598
599
* Garth and Stephen were in the most recent SIDIS meeting
600
** Wit had lots of hcana changes but they seem to be critical to our work 
601
*** Changes such as new detector classes
602 1 Richard Trotta
** Hopefully Wit will present these in the next commissioning meeting
603
604 77 Richard Trotta
* Stephen improved wiggles but still prevalent
605 74 Richard Trotta
606
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
607
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
608
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
609
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
610
611 127 Richard Trotta
* Next meeting will be December 17th at 3 pm EST.
612 74 Richard Trotta
613 75 Richard Trotta
----
614 74 Richard Trotta
615 111 Richard Trotta
h3. Nov 26,2019
616 71 Richard Trotta
617
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
618
619
* Stephen
620
** DC SHMS, small-angle has poor performance
621
*** Tighter cuts or PID (currently only looks for electrons)
622
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
623
624
* Richard
625 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.
626 71 Richard Trotta
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
627
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
628
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
629
** We can begin looking forward towards efficiencies. 
630
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
631
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
632
633
* Hem
634
** Has been looking at the calorimeter as well. 
635 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.  
636
637
----
638
639 111 Richard Trotta
h3. Nov 19,2019
640 1 Richard Trotta
641 70 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
642
643
* Richard
644
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
645
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
646
647
* Stephen
648
** Issues with DC calibration for only a few runs during each run period
649
** "wiggles" in HMS calorimeter calibrations for some runs
650
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
651
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
652
653 2 Richard Trotta
----
654 68 Richard Trotta
655 111 Richard Trotta
h3. Nov 5,2019
656 68 Richard Trotta
657
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
658
659
* Timing update (Stephen)
660
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
661
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
662
** First pass of detector reference time parameter files finished
663 1 Richard Trotta
664 68 Richard Trotta
* Peter's hcana code (Richard and Stephen)
665
** 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
666
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
667
** 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.
668
669
* Calibrations were decided to be done once per shift
670
671
* Next meeting schedule...
672 127 Richard Trotta
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
673
** November 26 (at 3pm EST) will be a larger meeting. 
674 68 Richard Trotta
*** This is the rough deadline we made for finishing up calibrations. 
675
*** 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!!
676
677
----
678
679 111 Richard Trotta
h3. Oct 22,2019
680 62 Richard Trotta
681 64 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
682 62 Richard Trotta
683 65 Richard Trotta
* SHMS Reference Time Amplitude Cuts(Stephen)
684
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
685
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
686
** This is a temporary fix to "ghost-bands" and cross talk
687
*** Although for HG there is still a small peak. The hodoscope is fine.
688
** The time window is easier to set now.
689
** DC has been fine (since it uses TDC)
690
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
691
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
692
693 1 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
694 67 Richard Trotta
** Peter implemented changes to hcana
695
** Two major issues...
696 1 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
697 67 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
698 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)
699 67 Richard Trotta
*** Peter created a routine to find the best offset by means of matching TDC and ADC
700
** Richard has been checking for bugs in the code. 
701
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
702
703 1 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
704 67 Richard Trotta
** Besides hodoscope which still has an issue with the script
705 65 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
706 62 Richard Trotta
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
707
708 1 Richard Trotta
-----
709 61 Richard Trotta
710 111 Richard Trotta
h3. Sep 24,2019
711 61 Richard Trotta
712
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
713 1 Richard Trotta
714 61 Richard Trotta
-----
715 1 Richard Trotta
716 111 Richard Trotta
h3. Sep 10,2019
717 59 Vijay Kumar
718
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
719 1 Richard Trotta
720
-----
721 55 Stephen Kay
722 111 Richard Trotta
h3. August 26, 2019
723 55 Stephen Kay
724
*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
725 1 Richard Trotta
726 54 Richard Trotta
----
727
728 111 Richard Trotta
h3. June 21, 2019
729 54 Richard Trotta
730 1 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
731 54 Richard Trotta
732 42 Stephen Kay
----
733
734 111 Richard Trotta
h3. June 14, 2019
735 1 Richard Trotta
736 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
737 42 Stephen Kay
738
739 35 Stephen Kay
----
740 1 Richard Trotta
741 111 Richard Trotta
h3. June 4, 2019
742 36 Vijay Kumar
743 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
744 35 Stephen Kay
745 1 Richard Trotta
746 35 Stephen Kay
----
747 1 Richard Trotta
748 111 Richard Trotta
h3. May 21, 2019
749 1 Richard Trotta
750
*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
751 35 Stephen Kay
752
----
753 1 Richard Trotta
754 111 Richard Trotta
h3. May 14, 2019
755 1 Richard Trotta
756 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
757 1 Richard Trotta
758 35 Stephen Kay
----
759 1 Richard Trotta
760 111 Richard Trotta
h3. April 30, 2019
761 1 Richard Trotta
762
*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
763 35 Stephen Kay
764 1 Richard Trotta
----
765
766
h3. February 4, 2019
767
768
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
769
770
----
771 113 Richard Trotta
772 112 Richard Trotta
h2. 2018 Meetings
773 141 Stephen Kay
774
----
775 111 Richard Trotta
776
h3. August 21, 2018
777
778 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
779 35 Stephen Kay
780 1 Richard Trotta
----
781 35 Stephen Kay
782 111 Richard Trotta
h3. August 8, 2018
783 35 Stephen Kay
784
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
785 1 Richard Trotta
786
----
787 35 Stephen Kay
788 111 Richard Trotta
h3. August 3, 2018
789 1 Richard Trotta
790 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383
791
*Links to talks->*
792 1 Richard Trotta
793 35 Stephen Kay
----
794 1 Richard Trotta
795 111 Richard Trotta
h3. July 11, 2018
796 1 Richard Trotta
797 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #384
798 1 Richard Trotta
799 35 Stephen Kay
*Action items:*
800 1 Richard Trotta
801 35 Stephen Kay
* Update run plan, e.g. add prescales (Garth)
802
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
803
* Identify additional run coordinators (Tanja)
804
* Encourage collaborators to take shifts, e.g. FIU (Pete)
805
* Draft email about shifts etc. to collaboration (Tanja)
806
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
807
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
808 1 Richard Trotta
809 35 Stephen Kay
*Discussions:*
810
811
* 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
812
* HGC: waiting for re-installation
813
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
814 1 Richard Trotta
* Shifts
815
* Diagnostics scripts and documentation
816
* Personnel schedules
817
818
----
819
820 111 Richard Trotta
h3. June 28, 2018
821 1 Richard Trotta
822
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
823
824
*Action Items:*
825
826
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
827
* Contact potential run coordinators. (Tanja)
828
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
829
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
830
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
831
* 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)
832
* Develop trigger/detector checkout plan (Tanja, initial draft)
833
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
834
* 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)
835
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
836
837
*Analysis Updates:*
838
839
* Ryan 
840
** resolving differences between his analysis and Richard's
841
842
* Richard
843
** 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
844
** 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.
845
846
----
847
848 111 Richard Trotta
h3. May 31, 2018
849 1 Richard Trotta
850 35 Stephen Kay
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
851 1 Richard Trotta
852 35 Stephen Kay
----
853 1 Richard Trotta
854 111 Richard Trotta
h3. May 17, 2018 
855 1 Richard Trotta
856 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
857 2 Richard Trotta
858 35 Stephen Kay
* Luminosity scans (Richard, Ryan)
859 111 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
860 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
861
** discussion about pre-scale factors
862 1 Richard Trotta
863 35 Stephen Kay
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
864
** Add option for looking at yields with cuts on cointime, target window, and missing mass
865
** Add option to look at real peak vs. background level
866 1 Richard Trotta
867 35 Stephen Kay
* H(e,e'p) kinematics investigation for fall run (Samip)
868
** 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
869 1 Richard Trotta
870 35 Stephen Kay
* *Action Items*
871
** Luminosity scans at low rates from January (Richard)
872
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
873
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
874
** Kaon LT detailed run plan (Garth, Pete, Tanja)
875
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
876 1 Richard Trotta
877
----
878
879 111 Richard Trotta
h3. May 10, 2018
880 35 Stephen Kay
881 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
882 35 Stephen Kay
883
* Luminosity Scans January 2018 (Richard)
884
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
885
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
886
** Efficiency calculation was investigated in detail and applied using scalers from trees
887
** Results for carbon (normalized to 30uA) show large variation - need to understand
888
** *Next steps:*
889
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
890
*** Check stability of pre-scale (Ryan saw changes within runs)
891
*** Check if detector calibrations for runs are implemented correctly
892
*** Analyze with Ryan's cuts
893 1 Richard Trotta
894 35 Stephen Kay
* Luminosity Scans April 2018 (Ryan)
895
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
896
** Tracking-based analysis for runs 2073-2095
897
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
898
** Included most recent detector calibrations in replay of these runs
899
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
900
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
901
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
902
** *Next steps:*
903 5 Richard Trotta
*** Check tracking efficiency
904 35 Stephen Kay
905
* *Global comments on Luminosity Scans (so far)*
906 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.
907 35 Stephen Kay
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
908
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
909
** Uncertainties on current
910
** Detector calibrations
911 1 Richard Trotta
** HMS vs. SHMS
912 35 Stephen Kay
913
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
914
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
915
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
916
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
917
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
918
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
919 1 Richard Trotta
** *Next steps:*
920 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)
921 35 Stephen Kay
922
* Yield normalized ratios from SIDIS (Hem)
923
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
924
** *Next steps:*
925 4 Richard Trotta
*** Check if efficiencies, currents, run time etc. are taken into account correctly
926
927
----
928 35 Stephen Kay
929 111 Richard Trotta
h3. April 26, 2018
930 4 Richard Trotta
931 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
932 4 Richard Trotta
933 35 Stephen Kay
* Discussion luminosity scan analysis (earlier scan) - Richard
934
** 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
935
** Notes on efficiencies in report file:
936
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
937
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
938
*** Tracking efficiency needs to be checked
939
*** 3/4 trigger efficiency seems ok
940
* Discussion luminosity scan analysis (later scan) - Ryan
941
** Fewer carbon runs than earlier scan
942
** Shown is a tracking-based analysis using data from the ROOT trees
943 111 Richard Trotta
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
944 35 Stephen Kay
* SIDIS analysis - Hem
945
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
946
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
947
* Analysis of exclusive events in SIDIS - Samip
948
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
949
** Ongoing work on implementing coincidence time into tree
950
* Discussion of run plan, and in particular possible low Q2/low energy
951
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
952
** 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
953
** Garth will put this together in a draft email
954
955 12 Richard Trotta
----
956
957 111 Richard Trotta
h3. March 29, 2018
958 12 Richard Trotta
959 35 Stephen Kay
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
960 13 Richard Trotta
961 35 Stephen Kay
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
962
* Luminosity scans (Ryan, Andres, Richard, Pete)
963
* Macros, SIDIS analysis (Hem, Anashe)
964
* Elastic data (TBD)
965
966 14 Richard Trotta
----
967 18 Richard Trotta
968 111 Richard Trotta
h3. February 22, 2018
969 18 Richard Trotta
970 35 Stephen Kay
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
971 18 Richard Trotta
972 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.
973
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
974
* Discussion of Richard's slides on run plan kinematics and preparations -
975
** 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
976
** 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
977
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
978
** kinematics plots W-Q2 show that still need to do some optimization
979
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
980
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
981 26 Richard Trotta
982 35 Stephen Kay
* *Action Items:*
983
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
984
** Update run sheet and kinematic optimization for W/Q2 (Garth)
985
** Circulate elastic calculations for kinematic settings (Samip)
986
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
987
** Test software installation instructions (Pete)
988
** 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) 
989 32 Stephen Kay
990
----