Difference between revisions of "Π polarizability Meeting Apr 12, 2023"
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# Calibrations | # Calibrations | ||
#*TOF: expand calibration to more runs | #*TOF: expand calibration to more runs | ||
| − | #*FCAL: ongoing, needs another "month?", currently good to 5% for pi0 width. issues with | + | #*FCAL: ongoing, needs another "month?", currently good to 5% for pi0 width. issues with the innermost ring, no pi0 seen |
#*BCAL: was waiting for CDC to be calibrated, did not know it was done. Will proceed on this now. | #*BCAL: was waiting for CDC to be calibrated, did not know it was done. Will proceed on this now. | ||
| − | #*CDC: calibration is done. Naomi is working on refinements that do not impact the BCAL efforts. Note that the usual procedure to calibrate the CDC does not work because the Start Counter was not installed. Sean made a procedure to use the BCAL timing instead, however this may introduce a catch 22? | + | #*CDC: calibration is done. Naomi is working on refinements that do not impact the BCAL efforts. Note that the usual procedure to calibrate the CDC does not work because the Start Counter was not installed. Sean made a procedure to use the BCAL timing instead, however, this may introduce a catch 22? |
#*FDC: Keigo, done. | #*FDC: Keigo, done. | ||
| − | #*CTOF, FMWPC: | + | #*CTOF, FMWPC: |
| + | #** Digihit integral vs peak 2-d plots for groups of 24 MWPC channels show noise dependence on hit multiplicity in the group.<br> | ||
| + | [https://userweb.jlab.org/~ilarin/cpp/3333/ plots made for the entire group, file name legend: 1st number - MWPC#, 2nd - 24 wires group #, 3rd - one for 1...2 hits in the group, five for 10 or more hits] | ||
#*Tagger-Mic, -Hod, PS, TPOL: ? | #*Tagger-Mic, -Hod, PS, TPOL: ? | ||
#** ver09: TaggerHod is off by 4ns for some runs, TaggerMic looks ok. There are issues with the relative timing between PS and the tagger MIC and HOD. | #** ver09: TaggerHod is off by 4ns for some runs, TaggerMic looks ok. There are issues with the relative timing between PS and the tagger MIC and HOD. | ||
Revision as of 12:47, 12 April 2023
11:00 EST (JLab time) Weekly Meeting
REMOTE during Covid-19
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Action Items
Preliminary Agenda
- Previous CPP meeting: Apr 5, 2023
- Announcements
- Action Items
- Calibrations
- TOF: expand calibration to more runs
- FCAL: ongoing, needs another "month?", currently good to 5% for pi0 width. issues with the innermost ring, no pi0 seen
- BCAL: was waiting for CDC to be calibrated, did not know it was done. Will proceed on this now.
- CDC: calibration is done. Naomi is working on refinements that do not impact the BCAL efforts. Note that the usual procedure to calibrate the CDC does not work because the Start Counter was not installed. Sean made a procedure to use the BCAL timing instead, however, this may introduce a catch 22?
- FDC: Keigo, done.
- CTOF, FMWPC:
- Digihit integral vs peak 2-d plots for groups of 24 MWPC channels show noise dependence on hit multiplicity in the group.
- Digihit integral vs peak 2-d plots for groups of 24 MWPC channels show noise dependence on hit multiplicity in the group.
- Tagger-Mic, -Hod, PS, TPOL: ?
- ver09: TaggerHod is off by 4ns for some runs, TaggerMic looks ok. There are issues with the relative timing between PS and the tagger MIC and HOD.
- Accidental Scaling Factor calibration requires Tagger and PS calibration.
- Tagger-Mic, -Hod, PS, TPOL: ?
- CCDB Constants Status (Elton)
- Data Analysis
- Wiki Page Analysis_Overview
- Documentation
- Upcoming Presentations
- Other business
- Next meeting
Minutes
Attending:
Docs/Files
in: /u/group/halld/www/halldweb/html/talks/2023/CPP/ link: This directory is accessible from the web at https://halldweb.jlab.org/talks/2023/CPP
