Meeting 2024 05 15

From Hall A Wiki
Jump to: navigation, search

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]

DAQ updates (Ben, Bryan, Alex)