Meeting 2022 02 16
From Hall A Wiki
GMn GEM commissioning Meetings: WEDNESDAY 10:30am - 11:30am
Link to all previous meetings: GMn GEM Commissioning Meeting
Please use sbs_gems mailing list for plots/communications and HALOG entries relevant to GEMs!
Update on BB GEMs(Sean, Ezekiel, Holly, Anu)
- Gas filters installed, GEMs on nitrogen. Plans for installation of new dividers?
- Interest in a NIM article?
- Signal flip event displays - https://logbooks.jlab.org/entry/3984417
- No sign of strip signals flipping from positive to negative
- Implementing analyzer corrections for large negative bias events
- Using the 1/100 full readout events to get a rolling average of the CM during offline analysis
- Use this average to check if the online CM for a particular sample is significantly different.
- Check if a large number of strips pass zero suppression and possibly recalculate the CM.
- Efficiency @ High beam current - KG
Update on UVa GEM layers for GEn-RP (Anu, John, Thir)
- APV inventory