Meeting 2024 05 15
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!
GEn-RP, K_LL updates
- Moved up 1% on SBS gas mix [1]
- Evaluated gains and HV on new gas mix [2]
- Increased GEM HV on the front tracker and tweaked the G1 foil voltage on the back tracker [3][4]
- Access on Sunday morning to fix an APV in large acceptance region of rear tracker [5]
- Ended GEn-RP with 70% overall efficiency!
- Started K_LL running yesterday
- Last week we added separate channels for L4M0, L3M3 and L5M1. The only GEM not powered is L6M0.
- Need to develop test plan for Sunday's beam study day
- De-cabling SBS after Memorial Day
- SBS layers look good after mapping fix (all good then also for GEn-RP) [6]
Misc for GEn-RP/K_LL
- Experts on call: [7]
