Difference between revisions of "Π polarizability Meeting Jan 8, 2020"
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| + | ''Attending: Elton, Mark, Andrew, Ilya | ||
# Previous meeting: [[π polarizability Meeting Dec 18, 2019|Dec 18, 2019]] | # Previous meeting: [[π polarizability Meeting Dec 18, 2019|Dec 18, 2019]] | ||
# Announcements | # Announcements | ||
| + | #* Tim has setup the first meeting to discuss the CPP geometry for next week Wed Jan 15 at 2 pm in TED 2504 | ||
# Update on Run | # Update on Run | ||
# Data Analysis - Andrew | # Data Analysis - Andrew | ||
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#* The e/p ratio provides considerable e/pi separation on its own. | #* The e/p ratio provides considerable e/pi separation on its own. | ||
# Discussion of beam test | # Discussion of beam test | ||
| − | ## | + | #* [https://userweb.jlab.org/~ilarin/cpp/rates_70984.pdf Rates 70984] (Ilya) Presented TOF rates from test in December |
| − | + | #* [https://userweb.jlab.org/~ilarin/cpp/tof_occ_ratio.jpeg] TOF occupancy for horizontal and vertical scintillators and ratio | |
| + | #* Andrew: Could be that the center 4 channels are ones that Beni identified as problematic at this morning's RC meeting | ||
| + | #* Another explanation is that the horizontal counters are unshielded by the horizontal gap on the beamline between the two DIRC bars. | ||
| + | #* We need to check with Beni about which channels are problematic and whether this problem is new or existed in December. | ||
| + | #* [ | ||
| + | |||
# Other business | # Other business | ||
# Next meeting | # Next meeting | ||
Revision as of 12:12, 8 January 2020
Meeting Info.
Meeting Time And Location
10:00 EST (JLab time)
CC L207
Connecting
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Attending: Elton, Mark, Andrew, Ilya
- Previous meeting: Dec 18, 2019
- Announcements
- Tim has setup the first meeting to discuss the CPP geometry for next week Wed Jan 15 at 2 pm in TED 2504
- Update on Run
- Data Analysis - Andrew
- e-/pi- TMVA
- Andrew presented his preliminary TMVA analysis
- We realized that the TOF calibration may not be correct. It will be updated before further studies for next week
- The e/p ratio provides considerable e/pi separation on its own.
- Discussion of beam test
- Rates 70984 (Ilya) Presented TOF rates from test in December
- [1] TOF occupancy for horizontal and vertical scintillators and ratio
- Andrew: Could be that the center 4 channels are ones that Beni identified as problematic at this morning's RC meeting
- Another explanation is that the horizontal counters are unshielded by the horizontal gap on the beamline between the two DIRC bars.
- We need to check with Beni about which channels are problematic and whether this problem is new or existed in December.
- [
- Other business
- Next meeting
![[1]](https://userweb.jlab.org/~ilarin/cpp/tof_occ_ratio.jpeg){kind=link}