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Kaon LT Meetings » History » Version 319

Richard Trotta, 05/19/2022 02:33 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
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11 314 Garth Huber
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12
13
h3. May 17, 2022
14
15 318 Richard Trotta
* Richard
16
** Updated heep coin scripts for the farm. Ali is testing them and should be able to get plots soon.
17
** There was a small typo in the simc input file that dramatically changed the shape of the plots. attachment:KaonLTMeeting5_17_22.pdf
18
** Updated version of efficiency columns for the script that will grab efficiencies and various other values. attachment:efficiency_output_list.docx
19 316 Vijay Kumar
* Vijay 
20
** The updated heep coin study (some spectrometers offsets changed) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting.pdf .
21 317 Vijay Kumar
22 314 Garth Huber
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23
24 299 Garth Huber
h3. May 3, 2022
25 303 Vijay Kumar
26 315 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may03.odt  attachment:efficiencies_22may03.odt
27 308 Ali Usman
* Ali
28
** Fixed all the settings for high Q2 KaonLT data. Also slide on accessing spectrometer angles from CODA
29
** attachment:KaonLT_May_3.pdf
30 309 Richard Trotta
* Richard
31 312 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
32 302 Vijay Kumar
* Vijay 
33 304 Vijay Kumar
** The SIMC simulation study of the PinoLT data at Q2 = 0.38 and 0.42 GeV2 has completed (preliminary) for all settings.
34 305 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 .
35 299 Garth Huber
36 300 Garth Huber
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37
38 296 Vijay Kumar
h3. April 19, 2022
39 299 Garth Huber
40
* Garth's Notes attachment:mtg_22apr19.txt
41 296 Vijay Kumar
* Vijay 
42 298 Vijay Kumar
** SIMC simulation updates at Q2 = 2.7, 3.6 and 4.5 GeV2. attachment:Vijay_KaonLT_Meeting_Apr19_2022.pdf  
43 296 Vijay Kumar
44
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45
46 282 Vijay Kumar
h3. April 06, 2022
47 294 Garth Huber
48 306 Vijay Kumar
* Ali 
49
**  attachment:Analysis_Update_Apr_6.pdf 
50
51 293 Garth Huber
* Garth's Notes attachment:mtg_22apr06.txt
52 290 Richard Trotta
* Richard 
53
** attachment:KaonLTMeeting4_6_22.pdf
54 288 Richard Trotta
** The analysis of the 10.6 GeV heep coin/singles settings are still ongoing. 
55
** There were some issues getting the replays working for the singles runs and the analysis. Things finally were sorted out yesterday (and this morning).
56
** The SHMS heep singles are presented. Overall, they look fine. There are still some things to sort out.
57 291 Richard Trotta
** The HMS heep singles are still running.
58 282 Vijay Kumar
* Vijay 
59
** The simulation study of the 4.9 GeV KaonLT data has completed.
60
** This energy has left, center and right settings data. All these settings look fine. 
61 285 Vijay Kumar
** See the pdf for more info. attachment:Vijay_KaonLT_Meeting_Apri_06_2022.pdf  
62 306 Vijay Kumar
63 288 Richard Trotta
64 295 Garth Huber
Next meeting April TBD
65 284 Vijay Kumar
66 1 Richard Trotta
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67 284 Vijay Kumar
68 281 Richard Trotta
h3. March 23, 2022
69 1 Richard Trotta
70 281 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
71 278 Richard Trotta
* Richard 
72
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
73
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
74 279 Nathan Heinrich
* Nathan
75 280 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.
76
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
77 278 Richard Trotta
78
Next meeting April 6th @ 1 EDT
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81
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h3. March 9, 2022
83
84 271 Garth Huber
* Garth's Notes attachment:mtg_22mar09.txt
85 267 Richard Trotta
* Richard 
86
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
87
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
88 268 Nathan Heinrich
* Nathan
89
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
90
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
91 267 Richard Trotta
92 1 Richard Trotta
Next meeting March 23th @ 1 EDT
93 277 Garth Huber
94
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
95 269 Richard Trotta
96 261 Garth Huber
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97
98 271 Garth Huber
h3. February 23, 2022
99 273 Garth Huber
100 271 Garth Huber
* Garth's Notes attachment:mtg_22feb23.txt
101
102 272 Garth Huber
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103
104 244 Vijay Kumar
h3. January 26, 2022  
105
106 271 Garth Huber
* Garth's Notes attachment:mtg_22jan26.txt
107 253 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
108 251 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   
109 252 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
110 246 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
111 250 Vijay Kumar
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
112 254 Nathan Heinrich
* Nathan, Short update on the Mode 10
113 255 Nathan Heinrich
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
114 256 Jacob Murphy
* Jacob, EDTM Study 2
115 260 Jacob Murphy
** EDTM study with beam, taken during LUMI Scan 3
116 255 Nathan Heinrich
** Early look at 3rd EDTM Study
117 248 Vijay Kumar
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
118 113 Richard Trotta
119 222 Richard Trotta
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120 200 Richard Trotta
121 236 Garth Huber
h3. January 12, 2022  
122
123
* Garth's Notes attachment:mtg_22jan12.txt
124
* Junaid
125
** PID study
126
* Vijay
127 240 Vijay Kumar
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
128 238 Vijay Kumar
129 236 Garth Huber
* Nathan
130
** Mode-10 data variables
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132 243 Richard Trotta
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133
134 234 Garth Huber
h3. January 5, 2022  
135
136 235 Garth Huber
* Garth's Notes attachment:mtg_22jan05.txt
137 221 Richard Trotta
* Stephen
138
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
139
* Richard
140
** Update to KLT task schedule
141
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
142
** EDTM study 2 will done sometime this weekend
143 223 Richard Trotta
* Vijay
144
** Breakdown of HEEP single analysis for low Q2 data
145 224 Richard Trotta
*** Shapes of SIMC and data are very off
146
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
147 231 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.  
148 229 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
149 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1375
150 225 Nathan Heinrich
* Nathan
151
** Update on fADC mode 10 studies and the fADC deadtime studies
152
** https://redmine.jlab.org/attachments/1372
153 226 Jacob Murphy
* Jacob
154
** Summary of EDTM analysis so far in the PionLT experiment
155 227 Jacob Murphy
** https://redmine.jlab.org/attachments/1373
156 242 Richard Trotta
157 221 Richard Trotta
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158
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h2. 2021 Meetings
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161 220 Richard Trotta
h3. August 4, 2021
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* Richard
164
** 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).
165
** Issues with the COIN are seen but may be a replay issue.
166
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169 217 Richard Trotta
h3. July 21, 2021
170
171 218 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
172 217 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.
173
174 218 Richard Trotta
Next meeting August 4th @ 4:30 ED
175 217 Richard Trotta
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178 215 Richard Trotta
h3. May 12, 2021
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* Richard
181
** 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.
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183 216 Richard Trotta
Next meeting May 26th @ 4:30 ED
184 215 Richard Trotta
185
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187 213 Richard Trotta
h3. April 28, 2021
188
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* Richard
190 214 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.
191 213 Richard Trotta
192
Next meeting May 12th @ 4:30 EDT
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196 211 Richard Trotta
h3. April 14, 2021
197 212 Richard Trotta
198 211 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
199
** 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). 
200
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
201
202
Next meeting April 14th @ 4:30 EDT
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206 203 Richard Trotta
h3. March 31, 2021
207
208 206 Richard Trotta
* Richard
209 209 Richard Trotta
** Luminosity studies
210
*** PionLT carbon runs
211
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
212
*** Uncertainties
213
**** Easy to do, I just need to put it into my script
214
** Explicit PS calculations
215
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
216
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
217
** Pass 2 runs
218
*** DEF-files
219
**** I checked out the DEF-files for our combination of the nested files
220
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
221
**** Working on my list of branches for the next replay
222
***** Mainly just working on my list of branches for the explicit PS calculations
223
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
224 210 Stephen Kay
* Stephen
225
** Updated DEF-File for the "full" replay
226
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
227
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
228
** Updating DEF-files/scripts for calibrations as part of PionLT prep
229
** Will focus on DEF-file/DEF-cut file updates over next week
230
*** Will investigate HeeP replays over rest of this week.
231 207 Richard Trotta
232
233 203 Richard Trotta
234
Next meeting April 14th @ 4:30 EDT
235
236
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237
238 201 Stephen Kay
h3. March 24, 2021
239
240
* KaonLT Mini Meeting focusing on Pass2 preparation
241
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
242
243 202 Stephen Kay
Next meeting March 31st @ 4:30 EDT
244 201 Stephen Kay
245
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246
247 200 Richard Trotta
h3. March 17, 2021
248
249
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
250 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.
251 202 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
252 201 Stephen Kay
253
Next meeting March 31st @ 4:30 EDT
254 200 Richard Trotta
255
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256 194 Richard Trotta
257 199 Richard Trotta
h3. March 3, 2021
258
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* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
260
** 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). 
261
** 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.
262
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Next meeting March 17th @ 4:30 EST
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267
268 196 Richard Trotta
h3. February 17, 2021
269 194 Richard Trotta
270
* Richard
271
** 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.
272
273 198 Nathan Heinrich
* Nathan
274
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
275
276 194 Richard Trotta
Next meeting March 3rd @ 4:30 EST
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280 196 Richard Trotta
h3. February 3, 2021
281 193 Richard Trotta
282
* Richard
283
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
284
285
Next meeting February 17th @ 4:30 EST
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288
289 196 Richard Trotta
h3. January 20, 2021
290 191 Richard Trotta
291
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
292
** 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.
293
294 1 Richard Trotta
295 191 Richard Trotta
Next meeting February 3rd @ 4:30 EST
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298
299 196 Richard Trotta
h3. January 6, 2021
300 190 Richard Trotta
301
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
302 186 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related.
303
* Vijay
304
** 
305 1 Richard Trotta
306 191 Richard Trotta
Next meeting January 20th @ 4:30 EST
307 186 Richard Trotta
308
309
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310
311
h2. 2020 Meetings
312
313 185 Richard Trotta
h3. December 2, 2020
314
 
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* Ali and Richard
316
** 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.
317
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Next meeting December 16th @ 4:30 EST
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322 180 Richard Trotta
h3. November 18, 2020
323
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* Ali
325
** 
326 183 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
327 181 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.
328 180 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
329
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
330
* Stephen
331 182 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
332 180 Richard Trotta
* Vijay
333
** 
334
335 184 Richard Trotta
Next meeting December 2nd @ 4:30 EST
336 180 Richard Trotta
337
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338
339 178 Richard Trotta
h3. November 4, 2020
340
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* Ali
342
** 
343
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
344 179 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.
345 178 Richard Trotta
* Stephen
346
** 
347
* Vijay
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** 
349
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Next meeting November 18th @ 4:30 EST
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353 141 Stephen Kay
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354
355 170 Richard Trotta
h3. October 28, 2020
356
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* Ali
358 177 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
359 172 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
360 173 Richard Trotta
** Luminosity analysis continues. There are still some issues but things have improved a bit.
361 171 Stephen Kay
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
362
** Discussion of CT peak analysis, progress and outline of what's left to do with this
363 174 Richard Trotta
* Vijay
364 176 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
365 170 Richard Trotta
366 177 Richard Trotta
Next meeting November 4th @ 4:30 EST
367 170 Richard Trotta
368
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369
370 164 Richard Trotta
h3. October 14, 2020
371
372 168 Richard Trotta
* Ali
373 164 Richard Trotta
** Working through the REPORT_FILES template to get everything working and outputting proper information.
374
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
375
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
376 167 Richard Trotta
* Stephen
377 164 Richard Trotta
** He has included a demo for using the python analysis script in the README.
378 1 Richard Trotta
379 170 Richard Trotta
Next meeting October 28th @ 4:30 EST
380 164 Richard Trotta
381
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382
383 161 Richard Trotta
h3. September 23, 2020
384
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* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
386
** 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. 
387
* Stephen
388 162 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.
389
* Petr
390
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
391 161 Richard Trotta
392 163 Richard Trotta
Next meeting October 14th @ 4:30 EST
393 161 Richard Trotta
394
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395
396 149 Richard Trotta
h3. September 9, 2020
397 156 Richard Trotta
398
* Richard
399 157 Richard Trotta
** Still working on run list, GUI checks
400 156 Richard Trotta
* "Stephen":https://redmine.jlab.org/issues/567
401
** New slim replay scripts and full replay scripts updated
402
* Ali
403
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
404
** Need to be vigilant of crashed replays because this is probably the issue
405 158 Richard Trotta
* Vijay
406 156 Richard Trotta
** Nearly finished with HGcer calibrations
407 1 Richard Trotta
408 161 Richard Trotta
Next meeting September 23rd @ 4:30 EST
409 156 Richard Trotta
410
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411
412
h3. August 26, 2020
413
414 149 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
415 154 Richard Trotta
416
* Richard
417
** 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.
418
* Stephen
419
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
420
* Ali
421
** 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)
422
* Vijay
423 150 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
424 1 Richard Trotta
425 156 Richard Trotta
Next meeting September 9 @ 5 EST
426 150 Richard Trotta
427 149 Richard Trotta
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428
429 144 Richard Trotta
h3. July 29, 2020
430 147 Stephen Kay
431 148 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
432 146 Stephen Kay
433 155 Richard Trotta
* Stephen
434
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
435
* Richard
436
** Updated plan and schedule for the analysis going forward
437 1 Richard Trotta
438 150 Richard Trotta
Next meeting August 26th @ 4:30 EST
439
440 144 Richard Trotta
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441
442 139 Richard Trotta
h3. July 8, 2020
443 1 Richard Trotta
444 139 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
445 150 Richard Trotta
446 140 Richard Trotta
Next meeting July 29 @ 4:30 EST
447 139 Richard Trotta
448
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449
450 132 Richard Trotta
h3. June 24, 2020
451
452 143 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
453 137 Richard Trotta
Next meeting July 8th @ 4:30 EST
454 132 Richard Trotta
455
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456
457 129 Richard Trotta
h3. June 9, 2020
458
459 135 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
460 129 Richard Trotta
461 131 Richard Trotta
Next meeting June 24th @ 4:30 EST
462 129 Richard Trotta
463
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465 125 Richard Trotta
h3. May 27, 2020
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467 126 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
468 128 Richard Trotta
469 127 Richard Trotta
Next meeting June 9th @ 4:30 EST
470 125 Richard Trotta
471
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472
473 118 Stephen Kay
h3. May 13, 2020
474 124 Richard Trotta
475 138 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
476 1 Richard Trotta
477 127 Richard Trotta
Next meeting May 27th @ 4:30 EST
478 118 Stephen Kay
479 121 Richard Trotta
----
480
481 111 Richard Trotta
h3. April 29, 2020
482
483 138 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
484 106 Richard Trotta
485 127 Richard Trotta
Next meeting May 13th @ 4:30 EST
486 106 Richard Trotta
487 1 Richard Trotta
----
488 106 Richard Trotta
489 111 Richard Trotta
h3. April 15, 2020
490 104 Richard Trotta
491 102 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
492 105 Richard Trotta
493 127 Richard Trotta
Next meeting April 29th @ 4:30 EST
494 1 Richard Trotta
495 102 Richard Trotta
----
496 95 Stephen Kay
497 111 Richard Trotta
h3. April 1, 2020
498 100 Stephen Kay
499 138 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
500 101 Richard Trotta
501 127 Richard Trotta
Next meeting April 15th @  4:30 EST
502 101 Richard Trotta
503 41 Stephen Kay
----
504 93 Richard Trotta
505 111 Richard Trotta
h3. March 18, 2020
506 93 Richard Trotta
507
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
508 1 Richard Trotta
509 127 Richard Trotta
Next meeting April 1st @  4:30 EST
510 93 Richard Trotta
511
----
512 91 Richard Trotta
513 111 Richard Trotta
h3. March 11, 2020
514 92 Richard Trotta
515 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
516 94 Richard Trotta
517 127 Richard Trotta
Next meeting March 18th @  4:30 EST
518 91 Richard Trotta
519
----
520 88 Richard Trotta
521 111 Richard Trotta
h3. Feb 26, 2020
522 90 Richard Trotta
523
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
524
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
525 1 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
526 88 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
527 1 Richard Trotta
528 127 Richard Trotta
Next meeting March 11th @  4:30 EST
529 86 Richard Trotta
530 1 Richard Trotta
----
531 86 Richard Trotta
532 111 Richard Trotta
h3. Feb 10, 2020 
533 87 Richard Trotta
534 127 Richard Trotta
Next meeting Feb 26th @ 11 am EST
535 86 Richard Trotta
536
----
537 1 Richard Trotta
538 111 Richard Trotta
h3. Jan 22, 2020
539 83 Richard Trotta
540
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
541 85 Richard Trotta
542 127 Richard Trotta
Next meeting Feb 10 @ 11 am EST
543 83 Richard Trotta
544 1 Richard Trotta
----
545 83 Richard Trotta
546 111 Richard Trotta
h3. Jan 15,2020
547 81 Richard Trotta
548 82 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
549 81 Richard Trotta
550 127 Richard Trotta
Next meeting Jan 22 @ 11 am EST
551 81 Richard Trotta
552
----
553 78 Richard Trotta
554 111 Richard Trotta
h3. Jan 8,2020
555 78 Richard Trotta
556 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
557 79 Richard Trotta
558 1 Richard Trotta
* Richard
559
** PID efficiency script is coming together
560
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
561
*** 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.
562
563
Next meeting will be January 15th at 4 pm EST 
564
565 80 Richard Trotta
----
566 113 Richard Trotta
567 112 Richard Trotta
h2. 2019 Meetings
568 80 Richard Trotta
569 141 Stephen Kay
----
570
571 111 Richard Trotta
h3. Dec 17,2019
572
573 77 Richard Trotta
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
574
575
* Stephen
576
** Number of passes finished for HMS calorimeter
577
*** Still wiggles in all passes
578
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
579
** 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
580
*** CUA will be putting together a similar list
581 1 Richard Trotta
582 77 Richard Trotta
* Richard
583
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
584
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
585
*** Eventually need to include tracking into PID efficiencies
586
** Pete brought up the question for a number of multi-hits we are getting
587
*** (Dead Time)+(Trigger efficiency)-EDTM
588
589 127 Richard Trotta
Next meeting will be after the break; Wednesday, January 8th at 3 pm EST
590 77 Richard Trotta
591
----
592 72 Richard Trotta
593 111 Richard Trotta
h3. Dec 10,2019
594 72 Richard Trotta
595 74 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
596
597
* Garth and Stephen were in the most recent SIDIS meeting
598
** Wit had lots of hcana changes but they seem to be critical to our work 
599
*** Changes such as new detector classes
600 1 Richard Trotta
** Hopefully Wit will present these in the next commissioning meeting
601
602 77 Richard Trotta
* Stephen improved wiggles but still prevalent
603 74 Richard Trotta
604
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
605
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
606
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
607
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
608
609 127 Richard Trotta
* Next meeting will be December 17th at 3 pm EST.
610 74 Richard Trotta
611 75 Richard Trotta
----
612 74 Richard Trotta
613 111 Richard Trotta
h3. Nov 26,2019
614 71 Richard Trotta
615
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
616
617
* Stephen
618
** DC SHMS, small-angle has poor performance
619
*** Tighter cuts or PID (currently only looks for electrons)
620
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
621
622
* Richard
623 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.
624 71 Richard Trotta
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
625
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
626
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
627
** We can begin looking forward towards efficiencies. 
628
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
629
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
630
631
* Hem
632
** Has been looking at the calorimeter as well. 
633 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.  
634
635
----
636
637 111 Richard Trotta
h3. Nov 19,2019
638 1 Richard Trotta
639 70 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
640
641
* Richard
642
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
643
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
644
645
* Stephen
646
** Issues with DC calibration for only a few runs during each run period
647
** "wiggles" in HMS calorimeter calibrations for some runs
648
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
649
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
650
651 2 Richard Trotta
----
652 68 Richard Trotta
653 111 Richard Trotta
h3. Nov 5,2019
654 68 Richard Trotta
655
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
656
657
* Timing update (Stephen)
658
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
659
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
660
** First pass of detector reference time parameter files finished
661 1 Richard Trotta
662 68 Richard Trotta
* Peter's hcana code (Richard and Stephen)
663
** 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
664
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
665
** 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.
666
667
* Calibrations were decided to be done once per shift
668
669
* Next meeting schedule...
670 127 Richard Trotta
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
671
** November 26 (at 3pm EST) will be a larger meeting. 
672 68 Richard Trotta
*** This is the rough deadline we made for finishing up calibrations. 
673
*** 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!!
674
675
----
676
677 111 Richard Trotta
h3. Oct 22,2019
678 62 Richard Trotta
679 64 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
680 62 Richard Trotta
681 65 Richard Trotta
* SHMS Reference Time Amplitude Cuts(Stephen)
682
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
683
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
684
** This is a temporary fix to "ghost-bands" and cross talk
685
*** Although for HG there is still a small peak. The hodoscope is fine.
686
** The time window is easier to set now.
687
** DC has been fine (since it uses TDC)
688
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
689
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
690
691 1 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
692 67 Richard Trotta
** Peter implemented changes to hcana
693
** Two major issues...
694 1 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
695 67 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
696 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)
697 67 Richard Trotta
*** Peter created a routine to find the best offset by means of matching TDC and ADC
698
** Richard has been checking for bugs in the code. 
699
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
700
701 1 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
702 67 Richard Trotta
** Besides hodoscope which still has an issue with the script
703 65 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
704 62 Richard Trotta
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
705
706 1 Richard Trotta
-----
707 61 Richard Trotta
708 111 Richard Trotta
h3. Sep 24,2019
709 61 Richard Trotta
710
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
711 1 Richard Trotta
712 61 Richard Trotta
-----
713 1 Richard Trotta
714 111 Richard Trotta
h3. Sep 10,2019
715 59 Vijay Kumar
716
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
717 1 Richard Trotta
718
-----
719 55 Stephen Kay
720 111 Richard Trotta
h3. August 26, 2019
721 55 Stephen Kay
722
*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
723 1 Richard Trotta
724 54 Richard Trotta
----
725
726 111 Richard Trotta
h3. June 21, 2019
727 54 Richard Trotta
728 1 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
729 54 Richard Trotta
730 42 Stephen Kay
----
731
732 111 Richard Trotta
h3. June 14, 2019
733 1 Richard Trotta
734 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
735 42 Stephen Kay
736
737 35 Stephen Kay
----
738 1 Richard Trotta
739 111 Richard Trotta
h3. June 4, 2019
740 36 Vijay Kumar
741 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
742 35 Stephen Kay
743 1 Richard Trotta
744 35 Stephen Kay
----
745 1 Richard Trotta
746 111 Richard Trotta
h3. May 21, 2019
747 1 Richard Trotta
748
*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
749 35 Stephen Kay
750
----
751 1 Richard Trotta
752 111 Richard Trotta
h3. May 14, 2019
753 1 Richard Trotta
754 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
755 1 Richard Trotta
756 35 Stephen Kay
----
757 1 Richard Trotta
758 111 Richard Trotta
h3. April 30, 2019
759 1 Richard Trotta
760
*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
761 35 Stephen Kay
762 1 Richard Trotta
----
763
764
h3. February 4, 2019
765
766
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
767
768
----
769 113 Richard Trotta
770 112 Richard Trotta
h2. 2018 Meetings
771 141 Stephen Kay
772
----
773 111 Richard Trotta
774
h3. August 21, 2018
775
776 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
777 35 Stephen Kay
778 1 Richard Trotta
----
779 35 Stephen Kay
780 111 Richard Trotta
h3. August 8, 2018
781 35 Stephen Kay
782
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
783 1 Richard Trotta
784
----
785 35 Stephen Kay
786 111 Richard Trotta
h3. August 3, 2018
787 1 Richard Trotta
788 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383
789
*Links to talks->*
790 1 Richard Trotta
791 35 Stephen Kay
----
792 1 Richard Trotta
793 111 Richard Trotta
h3. July 11, 2018
794 1 Richard Trotta
795 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #384
796 1 Richard Trotta
797 35 Stephen Kay
*Action items:*
798 1 Richard Trotta
799 35 Stephen Kay
* Update run plan, e.g. add prescales (Garth)
800
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
801
* Identify additional run coordinators (Tanja)
802
* Encourage collaborators to take shifts, e.g. FIU (Pete)
803
* Draft email about shifts etc. to collaboration (Tanja)
804
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
805
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
806 1 Richard Trotta
807 35 Stephen Kay
*Discussions:*
808
809
* 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
810
* HGC: waiting for re-installation
811
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
812 1 Richard Trotta
* Shifts
813
* Diagnostics scripts and documentation
814
* Personnel schedules
815
816
----
817
818 111 Richard Trotta
h3. June 28, 2018
819 1 Richard Trotta
820
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
821
822
*Action Items:*
823
824
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
825
* Contact potential run coordinators. (Tanja)
826
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
827
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
828
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
829
* 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)
830
* Develop trigger/detector checkout plan (Tanja, initial draft)
831
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
832
* 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)
833
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
834
835
*Analysis Updates:*
836
837
* Ryan 
838
** resolving differences between his analysis and Richard's
839
840
* Richard
841
** 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
842
** 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.
843
844
----
845
846 111 Richard Trotta
h3. May 31, 2018
847 1 Richard Trotta
848 35 Stephen Kay
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
849 1 Richard Trotta
850 35 Stephen Kay
----
851 1 Richard Trotta
852 111 Richard Trotta
h3. May 17, 2018 
853 1 Richard Trotta
854 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
855 2 Richard Trotta
856 35 Stephen Kay
* Luminosity scans (Richard, Ryan)
857 111 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
858 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
859
** discussion about pre-scale factors
860 1 Richard Trotta
861 35 Stephen Kay
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
862
** Add option for looking at yields with cuts on cointime, target window, and missing mass
863
** Add option to look at real peak vs. background level
864 1 Richard Trotta
865 35 Stephen Kay
* H(e,e'p) kinematics investigation for fall run (Samip)
866
** 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
867 1 Richard Trotta
868 35 Stephen Kay
* *Action Items*
869
** Luminosity scans at low rates from January (Richard)
870
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
871
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
872
** Kaon LT detailed run plan (Garth, Pete, Tanja)
873
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
874 1 Richard Trotta
875
----
876
877 111 Richard Trotta
h3. May 10, 2018
878 35 Stephen Kay
879 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
880 35 Stephen Kay
881
* Luminosity Scans January 2018 (Richard)
882
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
883
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
884
** Efficiency calculation was investigated in detail and applied using scalers from trees
885
** Results for carbon (normalized to 30uA) show large variation - need to understand
886
** *Next steps:*
887
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
888
*** Check stability of pre-scale (Ryan saw changes within runs)
889
*** Check if detector calibrations for runs are implemented correctly
890
*** Analyze with Ryan's cuts
891 1 Richard Trotta
892 35 Stephen Kay
* Luminosity Scans April 2018 (Ryan)
893
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
894
** Tracking-based analysis for runs 2073-2095
895
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
896
** Included most recent detector calibrations in replay of these runs
897
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
898
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
899
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
900
** *Next steps:*
901 5 Richard Trotta
*** Check tracking efficiency
902 35 Stephen Kay
903
* *Global comments on Luminosity Scans (so far)*
904 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.
905 35 Stephen Kay
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
906
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
907
** Uncertainties on current
908
** Detector calibrations
909 1 Richard Trotta
** HMS vs. SHMS
910 35 Stephen Kay
911
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
912
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
913
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
914
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
915
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
916
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
917 1 Richard Trotta
** *Next steps:*
918 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)
919 35 Stephen Kay
920
* Yield normalized ratios from SIDIS (Hem)
921
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
922
** *Next steps:*
923 4 Richard Trotta
*** Check if efficiencies, currents, run time etc. are taken into account correctly
924
925
----
926 35 Stephen Kay
927 111 Richard Trotta
h3. April 26, 2018
928 4 Richard Trotta
929 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
930 4 Richard Trotta
931 35 Stephen Kay
* Discussion luminosity scan analysis (earlier scan) - Richard
932
** 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
933
** Notes on efficiencies in report file:
934
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
935
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
936
*** Tracking efficiency needs to be checked
937
*** 3/4 trigger efficiency seems ok
938
* Discussion luminosity scan analysis (later scan) - Ryan
939
** Fewer carbon runs than earlier scan
940
** Shown is a tracking-based analysis using data from the ROOT trees
941 111 Richard Trotta
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
942 35 Stephen Kay
* SIDIS analysis - Hem
943
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
944
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
945
* Analysis of exclusive events in SIDIS - Samip
946
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
947
** Ongoing work on implementing coincidence time into tree
948
* Discussion of run plan, and in particular possible low Q2/low energy
949
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
950
** 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
951
** Garth will put this together in a draft email
952
953 12 Richard Trotta
----
954
955 111 Richard Trotta
h3. March 29, 2018
956 12 Richard Trotta
957 35 Stephen Kay
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
958 13 Richard Trotta
959 35 Stephen Kay
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
960
* Luminosity scans (Ryan, Andres, Richard, Pete)
961
* Macros, SIDIS analysis (Hem, Anashe)
962
* Elastic data (TBD)
963
964 14 Richard Trotta
----
965 18 Richard Trotta
966 111 Richard Trotta
h3. February 22, 2018
967 18 Richard Trotta
968 35 Stephen Kay
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
969 18 Richard Trotta
970 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.
971
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
972
* Discussion of Richard's slides on run plan kinematics and preparations -
973
** 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
974
** 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
975
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
976
** kinematics plots W-Q2 show that still need to do some optimization
977
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
978
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
979 26 Richard Trotta
980 35 Stephen Kay
* *Action Items:*
981
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
982
** Update run sheet and kinematic optimization for W/Q2 (Garth)
983
** Circulate elastic calculations for kinematic settings (Samip)
984
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
985
** Test software installation instructions (Pete)
986
** 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) 
987 32 Stephen Kay
988
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