Meeting 2023 02 22

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!

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GEM inventory for GEn-RP and GEp:

• Inventory and plan: [1]
• Workplan in EEL on RP layers: [2]

Update on BB GEMs

• BBL0 iteration check (with Nilanga)- do we still want to do this?
• Higher currents in GEMs over the last few days, caused some trips - https://logbooks.jlab.org/entry/4136638
  • Also higher ion chamber readings - https://logbooks.jlab.org/entry/4136051
• Bad SBS GEM HV channels found - https://logbooks.jlab.org/entry/4131957
  • Issue fixed - https://logbooks.jlab.org/entry/4135337

Update on layers for GEn-RP

• Update from EEL
• SBS GEM HV