Project

General

Profile

Kaon LT Meetings » History » Version 283

Vijay Kumar, 04/05/2022 05:53 PM

1 116 Richard Trotta
{{>TOC}}
2 1 Richard Trotta
3
h1. *Kaon LT Meetings*
4
5 96 Stephen Kay
Kaon LT 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
----
8 282 Vijay Kumar
h2. 2022 Meetings
9
10
h3. April 06, 2022
11
12
* Vijay 
13
** The simulation study of the 4.9 GeV KaonLT data has completed.
14
** This energy has left, center and right settings data. All these settings look fine. 
15
** SIMC yield is multiplied by an extra factor of 7.0. 
16
** The left setting plots are attached here  
17
----
18 283 Vijay Kumar
----
19 244 Vijay Kumar
h2. 2022 Meetings
20
21 281 Richard Trotta
h3. March 23, 2022
22 1 Richard Trotta
23 281 Richard Trotta
* Garth's Notes attachment:mtg_22mar23.txt
24 278 Richard Trotta
* Richard 
25
** 10.6 GeV heep coin was analyzed. Things look pretty good so far, still some work to be done. attachment:KaonLTMeeting3_23_22.pdf
26
** Heep singles are next up. There have been issues replaying these runs but Ali may have fixed this issue with his parameter file changes.
27 279 Nathan Heinrich
* Nathan
28 280 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.
29
** after changing back to 1 discrepancy resolved. Slides: attachment:Mode10Update_2022Mar23.pdf
30 278 Richard Trotta
31
Next meeting April 6th @ 1 EDT
32
33
---
34
35
h3. March 9, 2022
36
37 271 Garth Huber
* Garth's Notes attachment:mtg_22mar09.txt
38 267 Richard Trotta
* Richard 
39
** Vijay's scripts are working and Richard reproduced some of his previous plots. attachment:KaonLTMeeting3_9_22.pdf
40
** The next step is to do a full analysis of the 10.6 GeV heep coin/singles data.
41 268 Nathan Heinrich
* Nathan
42
** Update on the current state of mode 10: attachment:Mode10Update_2022Mar9.pdf 
43
** See Mark Jones' slide on changes to hcana: https://redmine.jlab.org/attachments/1424
44 267 Richard Trotta
45 1 Richard Trotta
Next meeting March 23th @ 1 EDT
46 277 Garth Huber
47
* Regina March 4 meeting on pion leak through in (e,e'K+) analysis attachment:grp_22mar04.txt
48 269 Richard Trotta
49 261 Garth Huber
---
50
51 271 Garth Huber
h3. February 23, 2022
52 273 Garth Huber
53 271 Garth Huber
* Garth's Notes attachment:mtg_22feb23.txt
54
55 272 Garth Huber
---
56
57 244 Vijay Kumar
h3. January 26, 2022  
58
59 271 Garth Huber
* Garth's Notes attachment:mtg_22jan26.txt
60 253 Vijay Kumar
* Vijay, Heep updates from the PionLT experiment. attachment:Analysis_Updates_Jan26_2022.pdf 
61 251 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   
62 252 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
63 246 Vijay Kumar
** The 3.6 and 4.5 GeV data do not have elastic data.
64 250 Vijay Kumar
** Coin: 2.7, 3.6 and 4.5 GeV. attachment:Analysed_2p7.pdf attachment:Analysed_3p6.pdf attachment:Analysed_4p5.pdf   
65 254 Nathan Heinrich
* Nathan, Short update on the Mode 10
66 255 Nathan Heinrich
** Short update. May need to update hcana to change software voltage threshold. attachment:2022-01-26NathanHeinrich.pdf
67 256 Jacob Murphy
* Jacob, EDTM Study 2
68 260 Jacob Murphy
** EDTM study with beam, taken during LUMI Scan 3
69 255 Nathan Heinrich
** Early look at 3rd EDTM Study
70 248 Vijay Kumar
** Additional notes on increased deadtime in SHMS at High Current. attachment:PionLT_EDTM_Study2_Analysis.pdf
71 113 Richard Trotta
72 222 Richard Trotta
----
73 200 Richard Trotta
74 236 Garth Huber
h3. January 12, 2022  
75
76
* Garth's Notes attachment:mtg_22jan12.txt
77
* Junaid
78
** PID study
79
* Vijay
80 240 Vijay Kumar
** Heep-singles study attachment:Analysis_Updates1_Jan12.pdf 
81 238 Vijay Kumar
82 236 Garth Huber
* Nathan
83
** Mode-10 data variables
84
85 243 Richard Trotta
----
86
87 234 Garth Huber
h3. January 5, 2022  
88
89 235 Garth Huber
* Garth's Notes attachment:mtg_22jan05.txt
90 221 Richard Trotta
* Stephen
91
** Stephen was updating GitHub but UTIL_BATCH has some permissions issues
92
* Richard
93
** Update to KLT task schedule
94
** Meeting between Richard and Vijay to discuss task breakdown Friday, January 7th at 11 am EST
95
** EDTM study 2 will done sometime this weekend
96 223 Richard Trotta
* Vijay
97
** Breakdown of HEEP single analysis for low Q2 data
98 224 Richard Trotta
*** Shapes of SIMC and data are very off
99
*** It seems to be a systematic issue on Vijay's part because the same issue is being seen in PLT data
100 231 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.  
101 229 Vijay Kumar
** https://redmine.jlab.org/attachments/1376
102 228 Vijay Kumar
** https://redmine.jlab.org/attachments/1375
103 225 Nathan Heinrich
* Nathan
104
** Update on fADC mode 10 studies and the fADC deadtime studies
105
** https://redmine.jlab.org/attachments/1372
106 226 Jacob Murphy
* Jacob
107
** Summary of EDTM analysis so far in the PionLT experiment
108 227 Jacob Murphy
** https://redmine.jlab.org/attachments/1373
109 242 Richard Trotta
110 221 Richard Trotta
----
111
112
h2. 2021 Meetings
113
114 220 Richard Trotta
h3. August 4, 2021
115
116
* Richard
117
** 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).
118
** Issues with the COIN are seen but may be a replay issue.
119
120
----
121
122 217 Richard Trotta
h3. July 21, 2021
123
124 218 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1250/KaonLTMeeting7_14_21.pdf
125 217 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.
126
127 218 Richard Trotta
Next meeting August 4th @ 4:30 ED
128 217 Richard Trotta
129
----
130
131 215 Richard Trotta
h3. May 12, 2021
132
133
* Richard
134
** 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.
135
136 216 Richard Trotta
Next meeting May 26th @ 4:30 ED
137 215 Richard Trotta
138
----
139
140 213 Richard Trotta
h3. April 28, 2021
141
142
* Richard
143 214 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.
144 213 Richard Trotta
145
Next meeting May 12th @ 4:30 EDT
146
147
----
148
149 211 Richard Trotta
h3. April 14, 2021
150 212 Richard Trotta
151 211 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_4_14_21.pdf
152
** 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). 
153
** Some PionLT carbon runs were looked at but there are still some issues (either cut or pathing related).
154
155
Next meeting April 14th @ 4:30 EDT
156
157
----
158
159 203 Richard Trotta
h3. March 31, 2021
160
161 206 Richard Trotta
* Richard
162 209 Richard Trotta
** Luminosity studies
163
*** PionLT carbon runs
164
**** Still having issues getting decent results. I think I am just missing a definition somewhere that I need to track down
165
*** Uncertainties
166
**** Easy to do, I just need to put it into my script
167
** Explicit PS calculations
168
*** I have gotten a rough script working for very simple runs (ie low rate, single spectrometer, calibration runs)
169
*** I am trying to expand to lumi singles runs, things get a bit more complex so I am just working out the trigger correlations
170
** Pass 2 runs
171
*** DEF-files
172
**** I checked out the DEF-files for our combination of the nested files
173
**** There are a lot a files (~150!!!!) and may be hard to track so next week *we should make a flowchart together*
174
**** Working on my list of branches for the next replay
175
***** Mainly just working on my list of branches for the explicit PS calculations
176
***** *Everyone should have a list of these branches by next mini-meeting (4/7/21)*
177 210 Stephen Kay
* Stephen
178
** Updated DEF-File for the "full" replay
179
*** Can't remove NData brances, Mark says they won't take up too many resources anyway
180
*** Removed individual PMT info and raw info for many detectors, reduced file size by factor ~2
181
** Updating DEF-files/scripts for calibrations as part of PionLT prep
182
** Will focus on DEF-file/DEF-cut file updates over next week
183
*** Will investigate HeeP replays over rest of this week.
184 207 Richard Trotta
185
186 203 Richard Trotta
187
Next meeting April 14th @ 4:30 EDT
188
189
----
190
191 201 Stephen Kay
h3. March 24, 2021
192
193
* KaonLT Mini Meeting focusing on Pass2 preparation
194
* "Task summary from Richard":https://redmine.jlab.org/projects/kltexp/wiki/Replay_2_Tasks
195
196 202 Stephen Kay
Next meeting March 31st @ 4:30 EDT
197 201 Stephen Kay
198
----
199
200 200 Richard Trotta
h3. March 17, 2021
201
202
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_17_21.pdf
203 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.
204 202 Stephen Kay
* Mini meeting March 24th @ 4:30 EDT
205 201 Stephen Kay
206
Next meeting March 31st @ 4:30 EDT
207 200 Richard Trotta
208
----
209 194 Richard Trotta
210 199 Richard Trotta
h3. March 3, 2021
211
212
* "Richard":https://redmine.jlab.org/attachments/download/1197/KaonLTMeeting_3_3_21.pdf
213
** 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). 
214
** 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.
215
216
Next meeting March 17th @ 4:30 EST
217
218
----
219
220
221 196 Richard Trotta
h3. February 17, 2021
222 194 Richard Trotta
223
* Richard
224
** 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.
225
226 198 Nathan Heinrich
* Nathan
227
** Presented an update on the Hodoscope Calibrations: https://redmine.jlab.org/attachments/download/1196/HodoscopeUpdate_2021Feb17.pdf
228
229 194 Richard Trotta
Next meeting March 3rd @ 4:30 EST
230
231
----
232
233 196 Richard Trotta
h3. February 3, 2021
234 193 Richard Trotta
235
* Richard
236
** A table with the aerogel efficiency for kaons is being created. It will be expanded to other particles and detectors.
237
238
Next meeting February 17th @ 4:30 EST
239
240
----
241
242 196 Richard Trotta
h3. January 20, 2021
243 191 Richard Trotta
244
* "Richard":https://redmine.jlab.org/attachments/download/1172/KaonLTMeeting_1_20_21.pdf
245
** 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.
246
247 1 Richard Trotta
248 191 Richard Trotta
Next meeting February 3rd @ 4:30 EST
249
250
----
251
252 196 Richard Trotta
h3. January 6, 2021
253 190 Richard Trotta
254
* "Richard":https://redmine.jlab.org/attachments/download/1153/KaonLTMeeting1_6_21.pdf
255 186 Richard Trotta
** Analyzed most of the luminosity scans. There are a few issues I am investigating still which seem to be run related.
256
* Vijay
257
** 
258 1 Richard Trotta
259 191 Richard Trotta
Next meeting January 20th @ 4:30 EST
260 186 Richard Trotta
261
262
----
263
264
h2. 2020 Meetings
265
266 185 Richard Trotta
h3. December 2, 2020
267
 
268
* Carlos
269
** 
270
* Ali and Richard
271
** 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.
272
* Stephen
273
** 
274
* Vijay
275
** 
276
277
Next meeting December 16th @ 4:30 EST
278
279
----
280
281 180 Richard Trotta
h3. November 18, 2020
282
283
* Ali
284
** 
285 183 Richard Trotta
* "Carlos":https://redmine.jlab.org/attachments/download/1103/LiveTime_Study_cyero.pdf
286 181 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.
287 180 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1101/KaonLTMeeting11_18_20.pdf
288
** Scaler analysis matches Carlos' code now. Overall significant improvements were made through some cut adjustments and incorrect variable definitions.
289
* Stephen
290 182 Richard Trotta
** Updated the hallc_replay_lt with parameter files for all coin peaks.
291 180 Richard Trotta
* Vijay
292
** 
293
294 184 Richard Trotta
Next meeting December 2nd @ 4:30 EST
295 180 Richard Trotta
296
----
297
298 178 Richard Trotta
h3. November 4, 2020
299
300
* Ali
301
** 
302
* "Richard":https://redmine.jlab.org/attachments/download/1092/KaonLTMeeting11_4_20.pdf
303 179 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.
304 178 Richard Trotta
* Stephen
305
** 
306
* Vijay
307
** 
308
309
Next meeting November 18th @ 4:30 EST
310
311
312 141 Stephen Kay
----
313
314 170 Richard Trotta
h3. October 28, 2020
315
316
* Ali
317 177 Richard Trotta
** Went over some of his tracking procedures for the report file implementation
318 172 Richard Trotta
* "Richard":https://redmine.jlab.org/attachments/download/1091/KaonLTMeeting10_28_20.pdf
319 173 Richard Trotta
** Luminosity analysis continues. There are still some issues but things have improved a bit.
320 171 Stephen Kay
* "Stephen":https://redmine.jlab.org/attachments/download/1090/KaonLT_Meeting_28_10_20.pdf
321
** Discussion of CT peak analysis, progress and outline of what's left to do with this
322 174 Richard Trotta
* Vijay
323 176 Richard Trotta
** Dry run for Mark's hallc meeting tomorrow (10/29)
324 170 Richard Trotta
325 177 Richard Trotta
Next meeting November 4th @ 4:30 EST
326 170 Richard Trotta
327
----
328
329 164 Richard Trotta
h3. October 14, 2020
330
331 168 Richard Trotta
* Ali
332 164 Richard Trotta
** Working through the REPORT_FILES template to get everything working and outputting proper information.
333
* "Richard":https://redmine.jlab.org/attachments/download/1085/KaonLTMeeting_10_14_20.pdf
334
** Updates on lumi scans. There are many issues from Scalers to Tracking that need to be resolved.
335 167 Richard Trotta
* Stephen
336 164 Richard Trotta
** He has included a demo for using the python analysis script in the README.
337 1 Richard Trotta
338 170 Richard Trotta
Next meeting October 28th @ 4:30 EST
339 164 Richard Trotta
340
----
341
342 161 Richard Trotta
h3. September 23, 2020
343
344
* "Richard":https://redmine.jlab.org/attachments/download/1078/KaonLTMeeting_9_23_20.pdf
345
** 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. 
346
* Stephen
347 162 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.
348
* Petr
349
** Data fitting algorithm based on E.H. Bellamy paper. Extracts PMT spectra from ROOT file and makes a 1D projection histogram.
350 161 Richard Trotta
351 163 Richard Trotta
Next meeting October 14th @ 4:30 EST
352 161 Richard Trotta
353
----
354
355 149 Richard Trotta
h3. September 9, 2020
356 156 Richard Trotta
357
* Richard
358 157 Richard Trotta
** Still working on run list, GUI checks
359 156 Richard Trotta
* "Stephen":https://redmine.jlab.org/issues/567
360
** New slim replay scripts and full replay scripts updated
361
* Ali
362
** Him and Stephen found an issue (already aware of) with zeros in the parameter files using Mark's hcana changes
363
** Need to be vigilant of crashed replays because this is probably the issue
364 158 Richard Trotta
* Vijay
365 156 Richard Trotta
** Nearly finished with HGcer calibrations
366 1 Richard Trotta
367 161 Richard Trotta
Next meeting September 23rd @ 4:30 EST
368 156 Richard Trotta
369
----
370
371
h3. August 26, 2020
372
373 149 Richard Trotta
*Links to talks->* "Ali":https://redmine.jlab.org/issues/483 "Vijay":https://redmine.jlab.org/issues/479
374 154 Richard Trotta
375
* Richard
376
** 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.
377
* Stephen
378
** Updated on RF times. There were a few issues with some runs, but overall most are finished.
379
* Ali
380
** 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)
381
* Vijay
382 150 Richard Trotta
** Updated the SHMS HGCher analysis. The calibrations are coming along, but a little more work needs to be finished up.
383 1 Richard Trotta
384 156 Richard Trotta
Next meeting September 9 @ 5 EST
385 150 Richard Trotta
386 149 Richard Trotta
----
387
388 144 Richard Trotta
h3. July 29, 2020
389 147 Stephen Kay
390 148 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
391 146 Stephen Kay
392 155 Richard Trotta
* Stephen
393
** Updates on scripts to set pedestal defaults and AdcTdc offsets after hcana change
394
* Richard
395
** Updated plan and schedule for the analysis going forward
396 1 Richard Trotta
397 150 Richard Trotta
Next meeting August 26th @ 4:30 EST
398
399 144 Richard Trotta
----
400
401 139 Richard Trotta
h3. July 8, 2020
402 1 Richard Trotta
403 139 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
404 150 Richard Trotta
405 140 Richard Trotta
Next meeting July 29 @ 4:30 EST
406 139 Richard Trotta
407
----
408
409 132 Richard Trotta
h3. June 24, 2020
410
411 143 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
412 137 Richard Trotta
Next meeting July 8th @ 4:30 EST
413 132 Richard Trotta
414
----
415
416 129 Richard Trotta
h3. June 9, 2020
417
418 135 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
419 129 Richard Trotta
420 131 Richard Trotta
Next meeting June 24th @ 4:30 EST
421 129 Richard Trotta
422
----
423
424 125 Richard Trotta
h3. May 27, 2020
425
426 126 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
427 128 Richard Trotta
428 127 Richard Trotta
Next meeting June 9th @ 4:30 EST
429 125 Richard Trotta
430
----
431
432 118 Stephen Kay
h3. May 13, 2020
433 124 Richard Trotta
434 138 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
435 1 Richard Trotta
436 127 Richard Trotta
Next meeting May 27th @ 4:30 EST
437 118 Stephen Kay
438 121 Richard Trotta
----
439
440 111 Richard Trotta
h3. April 29, 2020
441
442 138 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
443 106 Richard Trotta
444 127 Richard Trotta
Next meeting May 13th @ 4:30 EST
445 106 Richard Trotta
446 1 Richard Trotta
----
447 106 Richard Trotta
448 111 Richard Trotta
h3. April 15, 2020
449 104 Richard Trotta
450 102 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/attachments/download/977/KaonLTMeeting_4_15_20.pdf
451 105 Richard Trotta
452 127 Richard Trotta
Next meeting April 29th @ 4:30 EST
453 1 Richard Trotta
454 102 Richard Trotta
----
455 95 Stephen Kay
456 111 Richard Trotta
h3. April 1, 2020
457 100 Stephen Kay
458 138 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
459 101 Richard Trotta
460 127 Richard Trotta
Next meeting April 15th @  4:30 EST
461 101 Richard Trotta
462 41 Stephen Kay
----
463 93 Richard Trotta
464 111 Richard Trotta
h3. March 18, 2020
465 93 Richard Trotta
466
*Links to talks->* "Richard's EIC Temple Draft 2":https://redmine.jlab.org/attachments/download/942/DRAFT2_mesonSF_EIC_Temple.pdf
467 1 Richard Trotta
468 127 Richard Trotta
Next meeting April 1st @  4:30 EST
469 93 Richard Trotta
470
----
471 91 Richard Trotta
472 111 Richard Trotta
h3. March 11, 2020
473 92 Richard Trotta
474 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
475 94 Richard Trotta
476 127 Richard Trotta
Next meeting March 18th @  4:30 EST
477 91 Richard Trotta
478
----
479 88 Richard Trotta
480 111 Richard Trotta
h3. Feb 26, 2020
481 90 Richard Trotta
482
* Peter's changes to hcana should be coming soon. Richard will check with Mark when he is down there for an update.
483
* Need to incorporate the latest "BCM updates":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034 from Dave Mack.
484 1 Richard Trotta
* Richard should look at the luminosity scalar analysis before and after the BCM changes once he gets his script working again.
485 88 Richard Trotta
**  He is checking with Mark about this while he is down in jlab. 
486 1 Richard Trotta
487 127 Richard Trotta
Next meeting March 11th @  4:30 EST
488 86 Richard Trotta
489 1 Richard Trotta
----
490 86 Richard Trotta
491 111 Richard Trotta
h3. Feb 10, 2020 
492 87 Richard Trotta
493 127 Richard Trotta
Next meeting Feb 26th @ 11 am EST
494 86 Richard Trotta
495
----
496 1 Richard Trotta
497 111 Richard Trotta
h3. Jan 22, 2020
498 83 Richard Trotta
499
*Links to talks->* "Richard's Hall C Winter Talk Draft 1":https://redmine.jlab.org/attachments/download/937/KaonLTHallC_WinterTalk2020_Draft1.pdf
500 85 Richard Trotta
501 127 Richard Trotta
Next meeting Feb 10 @ 11 am EST
502 83 Richard Trotta
503 1 Richard Trotta
----
504 83 Richard Trotta
505 111 Richard Trotta
h3. Jan 15,2020
506 81 Richard Trotta
507 82 Richard Trotta
*Links to talks->* "Richard's Hall C Winter Talk Outline":https://redmine.jlab.org/attachments/download/936/KaonLTHallC_WinterTalk2020.pdf
508 81 Richard Trotta
509 127 Richard Trotta
Next meeting Jan 22 @ 11 am EST
510 81 Richard Trotta
511
----
512 78 Richard Trotta
513 111 Richard Trotta
h3. Jan 8,2020
514 78 Richard Trotta
515 1 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/76
516 79 Richard Trotta
517 1 Richard Trotta
* Richard
518
** PID efficiency script is coming together
519
*** Tighter cuts and cuts on timing, beta, etc. will be needed for cleaner electron cuts
520
*** 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.
521
522
Next meeting will be January 15th at 4 pm EST 
523
524 80 Richard Trotta
----
525 113 Richard Trotta
526 112 Richard Trotta
h2. 2019 Meetings
527 80 Richard Trotta
528 141 Stephen Kay
----
529
530 111 Richard Trotta
h3. Dec 17,2019
531
532 77 Richard Trotta
Reminder: Mark Jones' commissioning analysis meetings are bi-weekly and announced by Mark
533
534
* Stephen
535
** Number of passes finished for HMS calorimeter
536
*** Still wiggles in all passes
537
** Finished his report on calibrations, "DC and Calorimeters":https://redmine.jlab.org/documents/74
538
** 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
539
*** CUA will be putting together a similar list
540 1 Richard Trotta
541 77 Richard Trotta
* Richard
542
** Fixed one error issue with SHMS calorimeter calibration code (discussed Dec 10th meeting), but still have one error
543
** PID efficiency script plots are complete, but still some questions he needs to work out before a final version
544
*** Eventually need to include tracking into PID efficiencies
545
** Pete brought up the question for a number of multi-hits we are getting
546
*** (Dead Time)+(Trigger efficiency)-EDTM
547
548 127 Richard Trotta
Next meeting will be after the break; Wednesday, January 8th at 3 pm EST
549 77 Richard Trotta
550
----
551 72 Richard Trotta
552 111 Richard Trotta
h3. Dec 10,2019
553 72 Richard Trotta
554 74 Richard Trotta
*Links to talks->* "Richard":https://redmine.jlab.org/documents/73
555
556
* Garth and Stephen were in the most recent SIDIS meeting
557
** Wit had lots of hcana changes but they seem to be critical to our work 
558
*** Changes such as new detector classes
559 1 Richard Trotta
** Hopefully Wit will present these in the next commissioning meeting
560
561 77 Richard Trotta
* Stephen improved wiggles but still prevalent
562 74 Richard Trotta
563
* Richard finished HGCer calibrations, he concluded that the online parameters are sufficient
564
** He also has been looking at SHMS calorimeter calibrations but has had issues running the scripts. Most likely a pathing issue.
565
** The "tasks":https://redmine.jlab.org/projects/kltexp/wiki/Analysis_Tasks page has been updated with a section for efficiencies. 
566
*** A PID efficiency script is currently being developed and hopefully should have some plots for our next meeting.
567
568 127 Richard Trotta
* Next meeting will be December 17th at 3 pm EST.
569 74 Richard Trotta
570 75 Richard Trotta
----
571 74 Richard Trotta
572 111 Richard Trotta
h3. Nov 26,2019
573 71 Richard Trotta
574
*Links to talks->* "Richard":https://redmine.jlab.org/issues/480
575
576
* Stephen
577
** DC SHMS, small-angle has poor performance
578
*** Tighter cuts or PID (currently only looks for electrons)
579
** Vardan said calorimeter wiggles are an ongoing issue with no current solution
580
581
* Richard
582 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.
583 71 Richard Trotta
*** Richard will pick up looking at the HGCer calibrations from Vijay's scripts. 
584
*** Richard will also be looking at the SHMS calorimeter and with the suggestion of getting some negatively polarized SHMS runs from Hem.
585
** The HMS Cherenkov is finished with the conclusion that the calibrations from the online runs are good
586
** We can begin looking forward towards efficiencies. 
587
*** Garth suggested that looking at PID may be an advantageous first steps. Precise definitions of these PIDs will need to be logged.
588
*** Clear notes on efficiencies steps will be needed. They will need to be redefined multiple times in multiple ways. 
589
590
* Hem
591
** Has been looking at the calorimeter as well. 
592 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.  
593
594
----
595
596 111 Richard Trotta
h3. Nov 19,2019
597 1 Richard Trotta
598 70 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
599
600
* Richard
601
** Finished up TDC cut paper going through the procedure (found "here":https://redmine.jlab.org/issues/500)
602
** Needed to add Carlos pre-trigger designs to an appendix for the paper which clarifies the introduction section
603
604
* Stephen
605
** Issues with DC calibration for only a few runs during each run period
606
** "wiggles" in HMS calorimeter calibrations for some runs
607
*** few runs where HMS cal totally failed (which was dependent on initial parameters)
608
*** Spring looked worse than the rest (surprisingly), but this may be because online calibration wasn't great
609
610 2 Richard Trotta
----
611 68 Richard Trotta
612 111 Richard Trotta
h3. Nov 5,2019
613 68 Richard Trotta
614
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500
615
616
* Timing update (Stephen)
617
** Reference times between Richard and Stephen are very similar and the GitHub is updated accordingly
618
** Richard is going to add the trigger time cuts once the fall runs are finished (by end of week)
619
** First pass of detector reference time parameter files finished
620 1 Richard Trotta
621 68 Richard Trotta
* Peter's hcana code (Richard and Stephen)
622
** 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
623
*** Richard has emailed Peter about the issue with no response yet (follow-up soon)
624
** 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.
625
626
* Calibrations were decided to be done once per shift
627
628
* Next meeting schedule...
629 127 Richard Trotta
** Small meetings Nov 12 and Nov 19 (at 3pm EST) so Richard and Stephen can iron out the timing and calibrations
630
** November 26 (at 3pm EST) will be a larger meeting. 
631 68 Richard Trotta
*** This is the rough deadline we made for finishing up calibrations. 
632
*** 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!!
633
634
----
635
636 111 Richard Trotta
h3. Oct 22,2019
637 62 Richard Trotta
638 64 Richard Trotta
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
639 62 Richard Trotta
640 65 Richard Trotta
* SHMS Reference Time Amplitude Cuts(Stephen)
641
** Extra peaks in HG from cross-talk and "ghost-bands" due to ADC screw up
642
*** cuts applied on SHMS ADC ref time amplitude (greater than zero) done before any further event selection and histogram filling
643
** This is a temporary fix to "ghost-bands" and cross talk
644
*** Although for HG there is still a small peak. The hodoscope is fine.
645
** The time window is easier to set now.
646
** DC has been fine (since it uses TDC)
647
*** DC calibrations should be good to complete, other detectors need more fixes (i.e. the remaining "ghost-band")
648
** Hodoscope still bad but this might be because of that "ghost-band", needs to be further investigated
649
650 1 Richard Trotta
* Peter's hcana fixes for reference time (Richard)
651 67 Richard Trotta
** Peter implemented changes to hcana
652
** Two major issues...
653 1 Richard Trotta
## Amplitude goes to null and integral is low or negative which causes a rate-dependent efficiency. 
654 67 Richard Trotta
*** Peter has used the average pulse value acquired over a large sample of runs for each detector. 
655 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)
656 67 Richard Trotta
*** Peter created a routine to find the best offset by means of matching TDC and ADC
657
** Richard has been checking for bugs in the code. 
658
*** It seems to be ready to implement, Richard emailed Peter for confirmation on the implementation in our group directory
659
660 1 Richard Trotta
* Calibration of HMS detectors when the timing is agreed upon by Stephen and Richard.
661 67 Richard Trotta
** Besides hodoscope which still has an issue with the script
662 65 Richard Trotta
** Stephen and Richard are having a meeting late next week to determine time window values
663 62 Richard Trotta
*** These will be relatively final, but on the wider side if adjustments need to be made in the future
664
665 1 Richard Trotta
-----
666 61 Richard Trotta
667 111 Richard Trotta
h3. Sep 24,2019
668 61 Richard Trotta
669
*Links to talks->* "Stephen":https://redmine.jlab.org/issues/500 "Richard":https://redmine.jlab.org/issues/500
670 1 Richard Trotta
671 61 Richard Trotta
-----
672 1 Richard Trotta
673 111 Richard Trotta
h3. Sep 10,2019
674 59 Vijay Kumar
675
*Links to talks->* "Stephen":https://redmine.jlab.org/documents/69 "Ali":https://redmine.jlab.org/documents/72 "Richard":https://redmine.jlab.org/issues/500
676 1 Richard Trotta
677
-----
678 55 Stephen Kay
679 111 Richard Trotta
h3. August 26, 2019
680 55 Stephen Kay
681
*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
682 1 Richard Trotta
683 54 Richard Trotta
----
684
685 111 Richard Trotta
h3. June 21, 2019
686 54 Richard Trotta
687 1 Richard Trotta
*Links to talks->* "Hallc Talk Outline":https://redmine.jlab.org/documents/60 
688 54 Richard Trotta
689 42 Stephen Kay
----
690
691 111 Richard Trotta
h3. June 14, 2019
692 1 Richard Trotta
693 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
694 42 Stephen Kay
695
696 35 Stephen Kay
----
697 1 Richard Trotta
698 111 Richard Trotta
h3. June 4, 2019
699 36 Vijay Kumar
700 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
701 35 Stephen Kay
702 1 Richard Trotta
703 35 Stephen Kay
----
704 1 Richard Trotta
705 111 Richard Trotta
h3. May 21, 2019
706 1 Richard Trotta
707
*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
708 35 Stephen Kay
709
----
710 1 Richard Trotta
711 111 Richard Trotta
h3. May 14, 2019
712 1 Richard Trotta
713 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
714 1 Richard Trotta
715 35 Stephen Kay
----
716 1 Richard Trotta
717 111 Richard Trotta
h3. April 30, 2019
718 1 Richard Trotta
719
*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
720 35 Stephen Kay
721 1 Richard Trotta
----
722
723
h3. February 4, 2019
724
725
*Links to talks->* "Richard":https://redmine.jlab.org/documents/43 "Stephen":https://redmine.jlab.org/documents/44
726
727
----
728 113 Richard Trotta
729 112 Richard Trotta
h2. 2018 Meetings
730 141 Stephen Kay
731
----
732 111 Richard Trotta
733
h3. August 21, 2018
734
735 1 Richard Trotta
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
736 35 Stephen Kay
737 1 Richard Trotta
----
738 35 Stephen Kay
739 111 Richard Trotta
h3. August 8, 2018
740 35 Stephen Kay
741
*Ongoing Tasks->* #381 #382 #383 #404 #405 #406
742 1 Richard Trotta
743
----
744 35 Stephen Kay
745 111 Richard Trotta
h3. August 3, 2018
746 1 Richard Trotta
747 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383
748
*Links to talks->*
749 1 Richard Trotta
750 35 Stephen Kay
----
751 1 Richard Trotta
752 111 Richard Trotta
h3. July 11, 2018
753 1 Richard Trotta
754 35 Stephen Kay
*Ongoing Tasks->* #381 #382 #383 #384
755 1 Richard Trotta
756 35 Stephen Kay
*Action items:*
757 1 Richard Trotta
758 35 Stephen Kay
* Update run plan, e.g. add prescales (Garth)
759
* Check on details of: magnet cycling procedure, minimum angles, MCC fringe field steering, beam energy measurements, optics checks (Tanja)
760
* Identify additional run coordinators (Tanja)
761
* Encourage collaborators to take shifts, e.g. FIU (Pete)
762
* Draft email about shifts etc. to collaboration (Tanja)
763
* Develop diagnostic scripts and kaonLT specific (Richard, Ryan)
764
* Continue documentation development, e.g. checklist, shift taker instructions, HowTo or link to generic Hall C HowTo, task list, web page (Richard, Garth)
765 1 Richard Trotta
766 35 Stephen Kay
*Discussions:*
767
768
* 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
769
* HGC: waiting for re-installation
770
* Trigger checkout: main items to keep in mind: fADC thresholds, timing HMS/SHMS - leading arm, possible rate limitations
771 1 Richard Trotta
* Shifts
772
* Diagnostics scripts and documentation
773
* Personnel schedules
774
775
----
776
777 111 Richard Trotta
h3. June 28, 2018
778 1 Richard Trotta
779
*Links to talks->* "Richard":https://redmine.jlab.org/documents/34
780
781
*Action Items:*
782
783
* Develop and post shift schedule. Send out request. Find out who is KAONLT liaison (Tanja)
784
* Contact potential run coordinators. (Tanja)
785
* Aerogel tray exchange for start of experiment and coordination of future exchanges (Vladimir)
786
* Update runplan and prepare documents needed for shift crew, e.g. run sheets (Garth)
787
* Set up a web page to collect and link from Redmine - How-To documents, initial calibrations, etc. (Garth, Richard)
788
* 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)
789
* Develop trigger/detector checkout plan (Tanja, initial draft)
790
** Are all experts available at run start, experts needed: coincidence timing , Harp Scans, BCM calibrations, ...
791
* 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)
792
* Find out if all aerogel trays needed for experiment can be stored inside Hall C to avoid having to open truck ramp (Vladimir)
793
794
*Analysis Updates:*
795
796
* Ryan 
797
** resolving differences between his analysis and Richard's
798
799
* Richard
800
** 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
801
** 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.
802
803
----
804
805 111 Richard Trotta
h3. May 31, 2018
806 1 Richard Trotta
807 35 Stephen Kay
*Links to talks->* "Samip":https://redmine.jlab.org/documents/30
808 1 Richard Trotta
809 35 Stephen Kay
----
810 1 Richard Trotta
811 111 Richard Trotta
h3. May 17, 2018 
812 1 Richard Trotta
813 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
814 2 Richard Trotta
815 35 Stephen Kay
* Luminosity scans (Richard, Ryan)
816 111 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
817 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
818
** discussion about pre-scale factors
819 1 Richard Trotta
820 35 Stephen Kay
* Discussion about Richard's script extracting and printing information from report files and trees including histograms
821
** Add option for looking at yields with cuts on cointime, target window, and missing mass
822
** Add option to look at real peak vs. background level
823 1 Richard Trotta
824 35 Stephen Kay
* H(e,e'p) kinematics investigation for fall run (Samip)
825
** 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
826 1 Richard Trotta
827 35 Stephen Kay
* *Action Items*
828
** Luminosity scans at low rates from January (Richard)
829
** Luminosity scans from April with corrected efficiencies, e.d. DT (Ryan)
830
** H(e,e'p) and H(e,e') kinematics for upcoming Kaon LT run (Samip)
831
** Kaon LT detailed run plan (Garth, Pete, Tanja)
832
** Preparations, e.g. report files, diagnostic histograms and real time monitoring, shift worker instructions, optimization of trees (all)
833 1 Richard Trotta
834
----
835
836 111 Richard Trotta
h3. May 10, 2018
837 35 Stephen Kay
838 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
839 35 Stephen Kay
840
* Luminosity Scans January 2018 (Richard)
841
** Tracking-based analysis for Runs 1415-1423, .. for now focus on HMS, typical HMS S1X rates are <
842
** Cuts applied: PID for electrons (Cer, Cal), acceptance (delta)
843
** Efficiency calculation was investigated in detail and applied using scalers from trees
844
** Results for carbon (normalized to 30uA) show large variation - need to understand
845
** *Next steps:*
846
*** Double check calculation of computer lifetime, look for differences in TRIG and PRETRIG scalers
847
*** Check stability of pre-scale (Ryan saw changes within runs)
848
*** Check if detector calibrations for runs are implemented correctly
849
*** Analyze with Ryan's cuts
850 1 Richard Trotta
851 35 Stephen Kay
* Luminosity Scans April 2018 (Ryan)
852
** Confirms Richard's earlier finding that scaler-based analysis is not reliable and that it's best to analyze event-by-event
853
** Tracking-based analysis for runs 2073-2095
854
** Cuts applied: PID for electrons (TOF, Cal, Chi2), acceptance (delta and angles), BCM4a
855
** Included most recent detector calibrations in replay of these runs
856
** Efficiencies from report file mainly, may need to update tracking efficiency implementation
857
** Found that calculations of computer deadtime requires different set of scalers for runs from January to those from April 2018
858
** Results show carbon yields consistent with unity within error (0.5% error bars), and boiling for hydrogen and deuterium
859
** *Next steps:*
860 5 Richard Trotta
*** Check tracking efficiency
861 35 Stephen Kay
862
* *Global comments on Luminosity Scans (so far)*
863 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.
864 35 Stephen Kay
** Efficiencies in report files need to be updated, e.g. CPU deadtime (Richard)
865
** Check if BCM4a is the one closest to the target - get a map of the hall (Richard, Ryan)
866
** Uncertainties on current
867
** Detector calibrations
868 1 Richard Trotta
** HMS vs. SHMS
869 35 Stephen Kay
870
* eK+ coincidence time from SIDIS Spring 2018 run (Samip)
871
** Worked with Mark Jones on coincidence time calculation - now available in hcana (see Samip's 10 May 2018 email for more details)
872
** runs used in this analysis: 3423 with Q2=3.1 GeV2 and W=2.78 GeV
873
** Coincidence time spectrum shows peak separations >2 ns corresponding to different accelerator frequency
874
** Missing mass spectra: Kaon peak clearly visible, also see pions even after cuts
875
** Found that pions appear localized in phase space - seems to be due to end point in kinematic phase space
876 1 Richard Trotta
** *Next steps:*
877 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)
878 35 Stephen Kay
879
* Yield normalized ratios from SIDIS (Hem)
880
** Yield ratios of data to MC match well in shape, but normalization seems not quite right
881
** *Next steps:*
882 4 Richard Trotta
*** Check if efficiencies, currents, run time etc. are taken into account correctly
883
884
----
885 35 Stephen Kay
886 111 Richard Trotta
h3. April 26, 2018
887 4 Richard Trotta
888 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
889 4 Richard Trotta
890 35 Stephen Kay
* Discussion luminosity scan analysis (earlier scan) - Richard
891
** 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
892
** Notes on efficiencies in report file:
893
*** DT (EDTM) is not electronic deadtime. Instead use for now 50ns* trigger rate for HMS and 100ns* trigger rate for SHMS
894
*** Cherenkov efficiency seems low (check if that is due to PID, thresholds, pi/e, etc)
895
*** Tracking efficiency needs to be checked
896
*** 3/4 trigger efficiency seems ok
897
* Discussion luminosity scan analysis (later scan) - Ryan
898
** Fewer carbon runs than earlier scan
899
** Shown is a tracking-based analysis using data from the ROOT trees
900 111 Richard Trotta
** First results for carbon, LH3, and LD2, but efficiencies need to be checked
901 35 Stephen Kay
* SIDIS analysis - Hem
902
** Shown is a data/MC comparison for different kinematic settings. Agreement in shape is very good. Normalization has yet to be applied.
903
** Discussion about agreement in z and apparent offset - relation of this offset with spectrometer offset
904
* Analysis of exclusive events in SIDIS - Samip
905
** Shown is a look at the first kaon events in exclusive limit of SIDIS data
906
** Ongoing work on implementing coincidence time into tree
907
* Discussion of run plan, and in particular possible low Q2/low energy
908
** Assume that kaon low Q2=0.4 already included - have kinematics with specified beam energies, if needed
909
** 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
910
** Garth will put this together in a draft email
911
912 12 Richard Trotta
----
913
914 111 Richard Trotta
h3. March 29, 2018
915 12 Richard Trotta
916 35 Stephen Kay
*Links to talks->* "Richard, ":https://redmine.jlab.org/documents/16 "Samip":https://redmine.jlab.org/documents/27
917 13 Richard Trotta
918 35 Stephen Kay
* Details of adding points to fall run plan - will be ready sooner, likely in week of 4/1 (Garth, Samip, Tanja)
919
* Luminosity scans (Ryan, Andres, Richard, Pete)
920
* Macros, SIDIS analysis (Hem, Anashe)
921
* Elastic data (TBD)
922
923 14 Richard Trotta
----
924 18 Richard Trotta
925 111 Richard Trotta
h3. February 22, 2018
926 18 Richard Trotta
927 35 Stephen Kay
*Links to talks->* "Andres":https://redmine.jlab.org/documents/19
928 18 Richard Trotta
929 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.
930
* Brief description of Samip's work - working on coincidence timing decoding with JLab staff and re-optimization of kinematics
931
* Discussion of Richard's slides on run plan kinematics and preparations -
932
** 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
933
** 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
934
** for each setting will need 1-2 shifts for calibrations - need to negotiate with other experiments in run group
935
** kinematics plots W-Q2 show that still need to do some optimization
936
** run sheets: include raster size, update coincidence count labeling, and carbon target labeling
937
* Discussion of next meeting. Garth at JLab 8-16 March - might have meeting during that time.
938 26 Richard Trotta
939 35 Stephen Kay
* *Action Items:*
940
** Post slides/notes from this meeting and procedure to set up hcana in Redmine (Tanja)
941
** Update run sheet and kinematic optimization for W/Q2 (Garth)
942
** Circulate elastic calculations for kinematic settings (Samip)
943
** Continue investigation of elastic data and run plan kinematics (Andres/Richard)
944
** Test software installation instructions (Pete)
945
** 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) 
946 32 Stephen Kay
947
----