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Kaon LT Meetings » History » Version 339

Garth Huber, 06/03/2022 01:53 PM

1 116 Richard Trotta
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2 1 Richard Trotta
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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
10 326 Garth Huber
11 325 Garth Huber
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12 282 Vijay Kumar
13 338 Garth Huber
h3. June 14, 2022
14
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* Meeting time: 15:30 Eastern/13:30 Regina
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17
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18
19 330 Garth Huber
h3. May 31, 2022
20
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* Meeting time: 15:00 Eastern/13:00 Regina
22 337 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may31.txt
23 332 Vijay Kumar
* Vijay 
24
** The updated Heep coin study (Heepcheck program) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting_May31_2022.pdf .
25 334 Ali Usman
* Ali
26 335 Ali Usman
** First loook at the HEEP COIN Data/SIMC comparison for the 8.2 GeV Kaon-LT data attachment:KaonLT_May31.pdf
27 332 Vijay Kumar
28 314 Garth Huber
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29
30
h3. May 17, 2022
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32 325 Garth Huber
33 331 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may17.txt attachment:efficiencies_22may25.txt
34 318 Richard Trotta
* Richard
35
** Updated heep coin scripts for the farm. Ali is testing them and should be able to get plots soon.
36
** There was a small typo in the simc input file that dramatically changed the shape of the plots. attachment:KaonLTMeeting5_17_22.pdf
37
** Updated version of efficiency columns for the script that will grab efficiencies and various other values. attachment:efficiency_output_list.docx
38 316 Vijay Kumar
* Vijay 
39
** The updated heep coin study (some spectrometers offsets changed) at 3.9 GeV KaonLT data is attached here attachment:Vijay_KaonLT_meeting.pdf .
40 317 Vijay Kumar
41 314 Garth Huber
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42
43 299 Garth Huber
h3. May 3, 2022
44 303 Vijay Kumar
45 315 Garth Huber
* Garth and Stephen's Notes attachment:mtg_22may03.odt  attachment:efficiencies_22may03.odt
46 308 Ali Usman
* Ali
47
** Fixed all the settings for high Q2 KaonLT data. Also slide on accessing spectrometer angles from CODA
48
** attachment:KaonLT_May_3.pdf
49 309 Richard Trotta
* Richard
50 312 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
51 302 Vijay Kumar
* Vijay 
52 304 Vijay Kumar
** The SIMC simulation study of the PinoLT data at Q2 = 0.38 and 0.42 GeV2 has completed (preliminary) for all settings.
53 305 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 .
54 299 Garth Huber
55 300 Garth Huber
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56
57 296 Vijay Kumar
h3. April 19, 2022
58 299 Garth Huber
59
* Garth's Notes attachment:mtg_22apr19.txt
60 296 Vijay Kumar
* Vijay 
61 298 Vijay Kumar
** SIMC simulation updates at Q2 = 2.7, 3.6 and 4.5 GeV2. attachment:Vijay_KaonLT_Meeting_Apr19_2022.pdf  
62 296 Vijay Kumar
63
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64
65 282 Vijay Kumar
h3. April 06, 2022
66 294 Garth Huber
67 306 Vijay Kumar
* Ali 
68
**  attachment:Analysis_Update_Apr_6.pdf 
69
70 293 Garth Huber
* Garth's Notes attachment:mtg_22apr06.txt
71 290 Richard Trotta
* Richard 
72
** attachment:KaonLTMeeting4_6_22.pdf
73 288 Richard Trotta
** The analysis of the 10.6 GeV heep coin/singles settings are still ongoing. 
74
** There were some issues getting the replays working for the singles runs and the analysis. Things finally were sorted out yesterday (and this morning).
75
** The SHMS heep singles are presented. Overall, they look fine. There are still some things to sort out.
76 291 Richard Trotta
** The HMS heep singles are still running.
77 282 Vijay Kumar
* Vijay 
78
** The simulation study of the 4.9 GeV KaonLT data has completed.
79
** This energy has left, center and right settings data. All these settings look fine. 
80 285 Vijay Kumar
** See the pdf for more info. attachment:Vijay_KaonLT_Meeting_Apri_06_2022.pdf  
81 306 Vijay Kumar
82 288 Richard Trotta
83 295 Garth Huber
Next meeting April TBD
84 284 Vijay Kumar
85 1 Richard Trotta
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86 284 Vijay Kumar
87 281 Richard Trotta
h3. March 23, 2022
88 1 Richard Trotta
89 281 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
90 278 Richard Trotta
* Richard 
91
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
92
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
93 279 Nathan Heinrich
* Nathan
94 280 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.
95
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
96 278 Richard Trotta
97
Next meeting April 6th @ 1 EDT
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100
101
h3. March 9, 2022
102
103 271 Garth Huber
* Garth's Notes attachment:mtg_22mar09.txt
104 267 Richard Trotta
* Richard 
105
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
106
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
107 268 Nathan Heinrich
* Nathan
108
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
109
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
110 267 Richard Trotta
111 1 Richard Trotta
Next meeting March 23th @ 1 EDT
112 277 Garth Huber
113
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
114 269 Richard Trotta
115 261 Garth Huber
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116
117 271 Garth Huber
h3. February 23, 2022
118 273 Garth Huber
119 271 Garth Huber
* Garth's Notes attachment:mtg_22feb23.txt
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121 272 Garth Huber
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122
123 244 Vijay Kumar
h3. January 26, 2022  
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125 271 Garth Huber
* Garth's Notes attachment:mtg_22jan26.txt
126 253 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
127 251 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   
128 252 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
129 246 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
130 250 Vijay Kumar
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
131 254 Nathan Heinrich
* Nathan, Short update on the Mode 10
132 255 Nathan Heinrich
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
133 256 Jacob Murphy
* Jacob, EDTM Study 2
134 260 Jacob Murphy
** EDTM study with beam, taken during LUMI Scan 3
135 255 Nathan Heinrich
** Early look at 3rd EDTM Study
136 248 Vijay Kumar
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
137 113 Richard Trotta
138 222 Richard Trotta
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139 200 Richard Trotta
140 236 Garth Huber
h3. January 12, 2022  
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* Garth's Notes attachment:mtg_22jan12.txt
143
* Junaid
144
** PID study
145
* Vijay
146 240 Vijay Kumar
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
147 238 Vijay Kumar
148 236 Garth Huber
* Nathan
149
** Mode-10 data variables
150
151 243 Richard Trotta
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153 234 Garth Huber
h3. January 5, 2022  
154
155 235 Garth Huber
* Garth's Notes attachment:mtg_22jan05.txt
156 221 Richard Trotta
* Stephen
157
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
158
* Richard
159
** Update to KLT task schedule
160
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
161
** EDTM study 2 will done sometime this weekend
162 223 Richard Trotta
* Vijay
163
** Breakdown of HEEP single analysis for low Q2 data
164 224 Richard Trotta
*** Shapes of SIMC and data are very off
165
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
166 231 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.  
167 229 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
168 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1375
169 225 Nathan Heinrich
* Nathan
170
** Update on fADC mode 10 studies and the fADC deadtime studies
171
** https://redmine.jlab.org/attachments/1372
172 226 Jacob Murphy
* Jacob
173
** Summary of EDTM analysis so far in the PionLT experiment
174 227 Jacob Murphy
** https://redmine.jlab.org/attachments/1373
175 242 Richard Trotta
176 221 Richard Trotta
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177
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h2. 2021 Meetings
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180 220 Richard Trotta
h3. August 4, 2021
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* Richard
183
** 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).
184
** Issues with the COIN are seen but may be a replay issue.
185
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187
188 217 Richard Trotta
h3. July 21, 2021
189
190 218 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
191 217 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.
192
193 218 Richard Trotta
Next meeting August 4th @ 4:30 ED
194 217 Richard Trotta
195
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197 215 Richard Trotta
h3. May 12, 2021
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* Richard
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** 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.
201
202 216 Richard Trotta
Next meeting May 26th @ 4:30 ED
203 215 Richard Trotta
204
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206 213 Richard Trotta
h3. April 28, 2021
207
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* Richard
209 214 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.
210 213 Richard Trotta
211
Next meeting May 12th @ 4:30 EDT
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215 211 Richard Trotta
h3. April 14, 2021
216 212 Richard Trotta
217 211 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
218
** 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). 
219
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
220
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Next meeting April 14th @ 4:30 EDT
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225 203 Richard Trotta
h3. March 31, 2021
226
227 206 Richard Trotta
* Richard
228 209 Richard Trotta
** Luminosity studies
229
*** PionLT carbon runs
230
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
231
*** Uncertainties
232
**** Easy to do, I just need to put it into my script
233
** Explicit PS calculations
234
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
235
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
236
** Pass 2 runs
237
*** DEF-files
238
**** I checked out the DEF-files for our combination of the nested files
239
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
240
**** Working on my list of branches for the next replay
241
***** Mainly just working on my list of branches for the explicit PS calculations
242
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
243 210 Stephen Kay
* Stephen
244
** Updated DEF-File for the "full" replay
245
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
246
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
247
** Updating DEF-files/scripts for calibrations as part of PionLT prep
248
** Will focus on DEF-file/DEF-cut file updates over next week
249
*** Will investigate HeeP replays over rest of this week.
250 207 Richard Trotta
251
252 203 Richard Trotta
253
Next meeting April 14th @ 4:30 EDT
254
255
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256
257 201 Stephen Kay
h3. March 24, 2021
258
259
* KaonLT Mini Meeting focusing on Pass2 preparation
260
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
261
262 202 Stephen Kay
Next meeting March 31st @ 4:30 EDT
263 201 Stephen Kay
264
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265
266 200 Richard Trotta
h3. March 17, 2021
267
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* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
269 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.
270 202 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
271 201 Stephen Kay
272
Next meeting March 31st @ 4:30 EDT
273 200 Richard Trotta
274
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275 194 Richard Trotta
276 199 Richard Trotta
h3. March 3, 2021
277
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* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
279
** 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). 
280
** 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.
281
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Next meeting March 17th @ 4:30 EST
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286
287 196 Richard Trotta
h3. February 17, 2021
288 194 Richard Trotta
289
* Richard
290
** 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.
291
292 198 Nathan Heinrich
* Nathan
293
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
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295 194 Richard Trotta
Next meeting March 3rd @ 4:30 EST
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298
299 196 Richard Trotta
h3. February 3, 2021
300 193 Richard Trotta
301
* Richard
302
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
303
304
Next meeting February 17th @ 4:30 EST
305
306
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307
308 196 Richard Trotta
h3. January 20, 2021
309 191 Richard Trotta
310
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
311
** 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.
312
313 1 Richard Trotta
314 191 Richard Trotta
Next meeting February 3rd @ 4:30 EST
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316
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317
318 196 Richard Trotta
h3. January 6, 2021
319 190 Richard Trotta
320
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
321 322 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related. 
322 1 Richard Trotta
323 191 Richard Trotta
Next meeting January 20th @ 4:30 EST
324 186 Richard Trotta
325
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327
328
h2. 2020 Meetings
329
330 185 Richard Trotta
h3. December 2, 2020
331
 
332
* Ali and Richard
333
** 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.
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Next meeting December 16th @ 4:30 EST
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338
339 180 Richard Trotta
h3. November 18, 2020
340
341 183 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
342 181 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.
343 180 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
344
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
345
* Stephen
346 182 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
347 180 Richard Trotta
348 184 Richard Trotta
Next meeting December 2nd @ 4:30 EST
349 180 Richard Trotta
350
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351
352 178 Richard Trotta
h3. November 4, 2020
353 321 Richard Trotta
 
354 178 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
355 321 Richard Trotta
** Scaler analysis is getting closer to an answer. An in-depth comparison of Carlos and Richard's analysis shows inconsistencies between the two. 
356 178 Richard Trotta
357
Next meeting November 18th @ 4:30 EST
358
359
360 141 Stephen Kay
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361
362 170 Richard Trotta
h3. October 28, 2020
363
364
* Ali
365 177 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
366 172 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
367 173 Richard Trotta
** Luminosity analysis continues. There are still some issues but things have improved a bit.
368 171 Stephen Kay
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
369
** Discussion of CT peak analysis, progress and outline of what's left to do with this
370 174 Richard Trotta
* Vijay
371 176 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
372 170 Richard Trotta
373 177 Richard Trotta
Next meeting November 4th @ 4:30 EST
374 170 Richard Trotta
375
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376
377 164 Richard Trotta
h3. October 14, 2020
378
379 168 Richard Trotta
* Ali
380 164 Richard Trotta
** Working through the REPORT_FILES template to get everything working and outputting proper information.
381
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
382
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
383 167 Richard Trotta
* Stephen
384 164 Richard Trotta
** He has included a demo for using the python analysis script in the README.
385 1 Richard Trotta
386 170 Richard Trotta
Next meeting October 28th @ 4:30 EST
387 164 Richard Trotta
388
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389
390 161 Richard Trotta
h3. September 23, 2020
391
392
* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
393
** 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. 
394
* Stephen
395 162 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.
396
* Petr
397
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
398 161 Richard Trotta
399 163 Richard Trotta
Next meeting October 14th @ 4:30 EST
400 161 Richard Trotta
401
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402
403 149 Richard Trotta
h3. September 9, 2020
404 156 Richard Trotta
405
* Richard
406 157 Richard Trotta
** Still working on run list, GUI checks
407 156 Richard Trotta
* "Stephen":https://redmine.jlab.org/issues/567
408
** New slim replay scripts and full replay scripts updated
409
* Ali
410
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
411
** Need to be vigilant of crashed replays because this is probably the issue
412 158 Richard Trotta
* Vijay
413 156 Richard Trotta
** Nearly finished with HGcer calibrations
414 1 Richard Trotta
415 161 Richard Trotta
Next meeting September 23rd @ 4:30 EST
416 156 Richard Trotta
417
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418
419
h3. August 26, 2020
420
421 149 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
422 154 Richard Trotta
423
* Richard
424
** 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.
425
* Stephen
426
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
427
* Ali
428
** 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)
429
* Vijay
430 150 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
431 1 Richard Trotta
432 156 Richard Trotta
Next meeting September 9 @ 5 EST
433 150 Richard Trotta
434 149 Richard Trotta
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435
436 144 Richard Trotta
h3. July 29, 2020
437 147 Stephen Kay
438 148 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
439 146 Stephen Kay
440 155 Richard Trotta
* Stephen
441
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
442
* Richard
443
** Updated plan and schedule for the analysis going forward
444 1 Richard Trotta
445 150 Richard Trotta
Next meeting August 26th @ 4:30 EST
446
447 144 Richard Trotta
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448
449 139 Richard Trotta
h3. July 8, 2020
450 1 Richard Trotta
451 139 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
452 150 Richard Trotta
453 140 Richard Trotta
Next meeting July 29 @ 4:30 EST
454 139 Richard Trotta
455
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456
457 132 Richard Trotta
h3. June 24, 2020
458
459 143 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
460 137 Richard Trotta
Next meeting July 8th @ 4:30 EST
461 132 Richard Trotta
462
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463
464 129 Richard Trotta
h3. June 9, 2020
465
466 135 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
467 129 Richard Trotta
468 131 Richard Trotta
Next meeting June 24th @ 4:30 EST
469 129 Richard Trotta
470
----
471
472 125 Richard Trotta
h3. May 27, 2020
473
474 126 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
475 128 Richard Trotta
476 127 Richard Trotta
Next meeting June 9th @ 4:30 EST
477 125 Richard Trotta
478
----
479
480 118 Stephen Kay
h3. May 13, 2020
481 124 Richard Trotta
482 138 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
483 1 Richard Trotta
484 127 Richard Trotta
Next meeting May 27th @ 4:30 EST
485 118 Stephen Kay
486 121 Richard Trotta
----
487
488 111 Richard Trotta
h3. April 29, 2020
489
490 138 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
491 106 Richard Trotta
492 127 Richard Trotta
Next meeting May 13th @ 4:30 EST
493 106 Richard Trotta
494 1 Richard Trotta
----
495 106 Richard Trotta
496 111 Richard Trotta
h3. April 15, 2020
497 104 Richard Trotta
498 102 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
499 105 Richard Trotta
500 127 Richard Trotta
Next meeting April 29th @ 4:30 EST
501 1 Richard Trotta
502 102 Richard Trotta
----
503 95 Stephen Kay
504 111 Richard Trotta
h3. April 1, 2020
505 100 Stephen Kay
506 138 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
507 101 Richard Trotta
508 127 Richard Trotta
Next meeting April 15th @  4:30 EST
509 101 Richard Trotta
510 41 Stephen Kay
----
511 93 Richard Trotta
512 111 Richard Trotta
h3. March 18, 2020
513 93 Richard Trotta
514
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
515 1 Richard Trotta
516 127 Richard Trotta
Next meeting April 1st @  4:30 EST
517 93 Richard Trotta
518
----
519 91 Richard Trotta
520 111 Richard Trotta
h3. March 11, 2020
521 92 Richard Trotta
522 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
523 94 Richard Trotta
524 127 Richard Trotta
Next meeting March 18th @  4:30 EST
525 91 Richard Trotta
526
----
527 88 Richard Trotta
528 111 Richard Trotta
h3. Feb 26, 2020
529 90 Richard Trotta
530
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
531
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
532 1 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
533 88 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
534 1 Richard Trotta
535 127 Richard Trotta
Next meeting March 11th @  4:30 EST
536 86 Richard Trotta
537 1 Richard Trotta
----
538 86 Richard Trotta
539 111 Richard Trotta
h3. Feb 10, 2020 
540 87 Richard Trotta
541 127 Richard Trotta
Next meeting Feb 26th @ 11 am EST
542 86 Richard Trotta
543
----
544 1 Richard Trotta
545 111 Richard Trotta
h3. Jan 22, 2020
546 83 Richard Trotta
547
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
548 85 Richard Trotta
549 127 Richard Trotta
Next meeting Feb 10 @ 11 am EST
550 83 Richard Trotta
551 1 Richard Trotta
----
552 83 Richard Trotta
553 111 Richard Trotta
h3. Jan 15,2020
554 81 Richard Trotta
555 82 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
556 81 Richard Trotta
557 127 Richard Trotta
Next meeting Jan 22 @ 11 am EST
558 81 Richard Trotta
559
----
560 78 Richard Trotta
561 111 Richard Trotta
h3. Jan 8,2020
562 78 Richard Trotta
563 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
564 79 Richard Trotta
565 1 Richard Trotta
* Richard
566
** PID efficiency script is coming together
567
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
568
*** 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.
569
570
Next meeting will be January 15th at 4 pm EST 
571
572 80 Richard Trotta
----
573 113 Richard Trotta
574 112 Richard Trotta
h2. 2019 Meetings
575 80 Richard Trotta
576 141 Stephen Kay
----
577
578 111 Richard Trotta
h3. Dec 17,2019
579
580 77 Richard Trotta
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
581
582
* Stephen
583
** Number of passes finished for HMS calorimeter
584
*** Still wiggles in all passes
585
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
586
** 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
587
*** CUA will be putting together a similar list
588 1 Richard Trotta
589 77 Richard Trotta
* Richard
590
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
591
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
592
*** Eventually need to include tracking into PID efficiencies
593
** Pete brought up the question for a number of multi-hits we are getting
594
*** (Dead Time)+(Trigger efficiency)-EDTM
595
596 127 Richard Trotta
Next meeting will be after the break; Wednesday, January 8th at 3 pm EST
597 77 Richard Trotta
598
----
599 72 Richard Trotta
600 111 Richard Trotta
h3. Dec 10,2019
601 72 Richard Trotta
602 74 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
603
604
* Garth and Stephen were in the most recent SIDIS meeting
605
** Wit had lots of hcana changes but they seem to be critical to our work 
606
*** Changes such as new detector classes
607 1 Richard Trotta
** Hopefully Wit will present these in the next commissioning meeting
608
609 77 Richard Trotta
* Stephen improved wiggles but still prevalent
610 74 Richard Trotta
611
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
612
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
613
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
614
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
615
616 127 Richard Trotta
* Next meeting will be December 17th at 3 pm EST.
617 74 Richard Trotta
618 75 Richard Trotta
----
619 74 Richard Trotta
620 111 Richard Trotta
h3. Nov 26,2019
621 71 Richard Trotta
622
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
623
624
* Stephen
625
** DC SHMS, small-angle has poor performance
626
*** Tighter cuts or PID (currently only looks for electrons)
627
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
628
629
* Richard
630 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.
631 71 Richard Trotta
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
632
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
633
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
634
** We can begin looking forward towards efficiencies. 
635
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
636
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
637
638
* Hem
639
** Has been looking at the calorimeter as well. 
640 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.  
641
642
----
643
644 111 Richard Trotta
h3. Nov 19,2019
645 1 Richard Trotta
646 70 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
647
648
* Richard
649
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
650
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
651
652
* Stephen
653
** Issues with DC calibration for only a few runs during each run period
654
** "wiggles" in HMS calorimeter calibrations for some runs
655
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
656
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
657
658 2 Richard Trotta
----
659 68 Richard Trotta
660 111 Richard Trotta
h3. Nov 5,2019
661 68 Richard Trotta
662
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
663
664
* Timing update (Stephen)
665
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
666
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
667
** First pass of detector reference time parameter files finished
668 1 Richard Trotta
669 68 Richard Trotta
* Peter's hcana code (Richard and Stephen)
670
** 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
671
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
672
** 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.
673
674
* Calibrations were decided to be done once per shift
675
676
* Next meeting schedule...
677 127 Richard Trotta
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
678
** November 26 (at 3pm EST) will be a larger meeting. 
679 68 Richard Trotta
*** This is the rough deadline we made for finishing up calibrations. 
680
*** 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!!
681
682
----
683
684 111 Richard Trotta
h3. Oct 22,2019
685 62 Richard Trotta
686 64 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
687 62 Richard Trotta
688 65 Richard Trotta
* SHMS Reference Time Amplitude Cuts(Stephen)
689
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
690
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
691
** This is a temporary fix to "ghost-bands" and cross talk
692
*** Although for HG there is still a small peak. The hodoscope is fine.
693
** The time window is easier to set now.
694
** DC has been fine (since it uses TDC)
695
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
696
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
697
698 1 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
699 67 Richard Trotta
** Peter implemented changes to hcana
700
** Two major issues...
701 1 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
702 67 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
703 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)
704 67 Richard Trotta
*** Peter created a routine to find the best offset by means of matching TDC and ADC
705
** Richard has been checking for bugs in the code. 
706
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
707
708 1 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
709 67 Richard Trotta
** Besides hodoscope which still has an issue with the script
710 65 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
711 62 Richard Trotta
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
712
713 1 Richard Trotta
-----
714 61 Richard Trotta
715 111 Richard Trotta
h3. Sep 24,2019
716 61 Richard Trotta
717
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
718 1 Richard Trotta
719 61 Richard Trotta
-----
720 1 Richard Trotta
721 111 Richard Trotta
h3. Sep 10,2019
722 59 Vijay Kumar
723
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
724 1 Richard Trotta
725
-----
726 55 Stephen Kay
727 111 Richard Trotta
h3. August 26, 2019
728 55 Stephen Kay
729
*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
730 1 Richard Trotta
731 54 Richard Trotta
----
732
733 111 Richard Trotta
h3. June 21, 2019
734 54 Richard Trotta
735 1 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
736 54 Richard Trotta
737 42 Stephen Kay
----
738
739 111 Richard Trotta
h3. June 14, 2019
740 1 Richard Trotta
741 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
742 42 Stephen Kay
743
744 35 Stephen Kay
----
745 1 Richard Trotta
746 111 Richard Trotta
h3. June 4, 2019
747 36 Vijay Kumar
748 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
749 35 Stephen Kay
750 1 Richard Trotta
751 35 Stephen Kay
----
752 1 Richard Trotta
753 111 Richard Trotta
h3. May 21, 2019
754 1 Richard Trotta
755
*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
756 35 Stephen Kay
757
----
758 1 Richard Trotta
759 111 Richard Trotta
h3. May 14, 2019
760 1 Richard Trotta
761 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
762 1 Richard Trotta
763 35 Stephen Kay
----
764 1 Richard Trotta
765 111 Richard Trotta
h3. April 30, 2019
766 1 Richard Trotta
767
*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
768 35 Stephen Kay
769 1 Richard Trotta
----
770
771
h3. February 4, 2019
772
773
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
774
775
----
776 113 Richard Trotta
777 112 Richard Trotta
h2. 2018 Meetings
778 141 Stephen Kay
779
----
780 111 Richard Trotta
781
h3. August 21, 2018
782
783 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
784 35 Stephen Kay
785 1 Richard Trotta
----
786 35 Stephen Kay
787 111 Richard Trotta
h3. August 8, 2018
788 35 Stephen Kay
789
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
790 1 Richard Trotta
791
----
792 35 Stephen Kay
793 111 Richard Trotta
h3. August 3, 2018
794 1 Richard Trotta
795 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383
796
*Links to talks->*
797 1 Richard Trotta
798 35 Stephen Kay
----
799 1 Richard Trotta
800 111 Richard Trotta
h3. July 11, 2018
801 1 Richard Trotta
802 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #384
803 1 Richard Trotta
804 35 Stephen Kay
*Action items:*
805 1 Richard Trotta
806 35 Stephen Kay
* Update run plan, e.g. add prescales (Garth)
807
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
808
* Identify additional run coordinators (Tanja)
809
* Encourage collaborators to take shifts, e.g. FIU (Pete)
810
* Draft email about shifts etc. to collaboration (Tanja)
811
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
812
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
813 1 Richard Trotta
814 35 Stephen Kay
*Discussions:*
815
816
* 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
817
* HGC: waiting for re-installation
818
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
819 1 Richard Trotta
* Shifts
820
* Diagnostics scripts and documentation
821
* Personnel schedules
822
823
----
824
825 111 Richard Trotta
h3. June 28, 2018
826 1 Richard Trotta
827
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
828
829
*Action Items:*
830
831
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
832
* Contact potential run coordinators. (Tanja)
833
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
834
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
835
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
836
* 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)
837
* Develop trigger/detector checkout plan (Tanja, initial draft)
838
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
839
* 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)
840
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
841
842
*Analysis Updates:*
843
844
* Ryan 
845
** resolving differences between his analysis and Richard's
846
847
* Richard
848
** 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
849
** 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.
850
851
----
852
853 111 Richard Trotta
h3. May 31, 2018
854 1 Richard Trotta
855 35 Stephen Kay
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
856 1 Richard Trotta
857 35 Stephen Kay
----
858 1 Richard Trotta
859 111 Richard Trotta
h3. May 17, 2018 
860 1 Richard Trotta
861 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
862 2 Richard Trotta
863 35 Stephen Kay
* Luminosity scans (Richard, Ryan)
864 111 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
865 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
866
** discussion about pre-scale factors
867 1 Richard Trotta
868 35 Stephen Kay
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
869
** Add option for looking at yields with cuts on cointime, target window, and missing mass
870
** Add option to look at real peak vs. background level
871 1 Richard Trotta
872 35 Stephen Kay
* H(e,e'p) kinematics investigation for fall run (Samip)
873
** 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
874 1 Richard Trotta
875 35 Stephen Kay
* *Action Items*
876
** Luminosity scans at low rates from January (Richard)
877
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
878
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
879
** Kaon LT detailed run plan (Garth, Pete, Tanja)
880
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
881 1 Richard Trotta
882
----
883
884 111 Richard Trotta
h3. May 10, 2018
885 35 Stephen Kay
886 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
887 35 Stephen Kay
888
* Luminosity Scans January 2018 (Richard)
889
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
890
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
891
** Efficiency calculation was investigated in detail and applied using scalers from trees
892
** Results for carbon (normalized to 30uA) show large variation - need to understand
893
** *Next steps:*
894
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
895
*** Check stability of pre-scale (Ryan saw changes within runs)
896
*** Check if detector calibrations for runs are implemented correctly
897
*** Analyze with Ryan's cuts
898 1 Richard Trotta
899 35 Stephen Kay
* Luminosity Scans April 2018 (Ryan)
900
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
901
** Tracking-based analysis for runs 2073-2095
902
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
903
** Included most recent detector calibrations in replay of these runs
904
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
905
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
906
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
907
** *Next steps:*
908 5 Richard Trotta
*** Check tracking efficiency
909 35 Stephen Kay
910
* *Global comments on Luminosity Scans (so far)*
911 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.
912 35 Stephen Kay
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
913
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
914
** Uncertainties on current
915
** Detector calibrations
916 1 Richard Trotta
** HMS vs. SHMS
917 35 Stephen Kay
918
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
919
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
920
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
921
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
922
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
923
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
924 1 Richard Trotta
** *Next steps:*
925 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)
926 35 Stephen Kay
927
* Yield normalized ratios from SIDIS (Hem)
928
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
929
** *Next steps:*
930 4 Richard Trotta
*** Check if efficiencies, currents, run time etc. are taken into account correctly
931
932
----
933 35 Stephen Kay
934 111 Richard Trotta
h3. April 26, 2018
935 4 Richard Trotta
936 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
937 4 Richard Trotta
938 35 Stephen Kay
* Discussion luminosity scan analysis (earlier scan) - Richard
939
** 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
940
** Notes on efficiencies in report file:
941
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
942
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
943
*** Tracking efficiency needs to be checked
944
*** 3/4 trigger efficiency seems ok
945
* Discussion luminosity scan analysis (later scan) - Ryan
946
** Fewer carbon runs than earlier scan
947
** Shown is a tracking-based analysis using data from the ROOT trees
948 111 Richard Trotta
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
949 35 Stephen Kay
* SIDIS analysis - Hem
950
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
951
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
952
* Analysis of exclusive events in SIDIS - Samip
953
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
954
** Ongoing work on implementing coincidence time into tree
955
* Discussion of run plan, and in particular possible low Q2/low energy
956
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
957
** 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
958
** Garth will put this together in a draft email
959
960 12 Richard Trotta
----
961
962 111 Richard Trotta
h3. March 29, 2018
963 12 Richard Trotta
964 35 Stephen Kay
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
965 13 Richard Trotta
966 35 Stephen Kay
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
967
* Luminosity scans (Ryan, Andres, Richard, Pete)
968
* Macros, SIDIS analysis (Hem, Anashe)
969
* Elastic data (TBD)
970
971 14 Richard Trotta
----
972 18 Richard Trotta
973 111 Richard Trotta
h3. February 22, 2018
974 18 Richard Trotta
975 35 Stephen Kay
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
976 18 Richard Trotta
977 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.
978
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
979
* Discussion of Richard's slides on run plan kinematics and preparations -
980
** 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
981
** 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
982
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
983
** kinematics plots W-Q2 show that still need to do some optimization
984
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
985
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
986 26 Richard Trotta
987 35 Stephen Kay
* *Action Items:*
988
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
989
** Update run sheet and kinematic optimization for W/Q2 (Garth)
990
** Circulate elastic calculations for kinematic settings (Samip)
991
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
992
** Test software installation instructions (Pete)
993
** 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) 
994 32 Stephen Kay
995
----