Difference between revisions of "Meeting 2023 10 25"

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(Update on layers for GEn-RP)
 
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* Some problem in SBS layer 2 [https://logbooks.jlab.org/files/2023/10/4200832/summaryPlots_5732_sbs_gem.pdf]
 
* Some problem in SBS layer 2 [https://logbooks.jlab.org/files/2023/10/4200832/summaryPlots_5732_sbs_gem.pdf]
 
* Mass flow controller problem is still unresolved [https://logbooks.jlab.org/entry/4202370]
 
* Mass flow controller problem is still unresolved [https://logbooks.jlab.org/entry/4202370]
* Chandan, Lars, and Ellen temporarily solved the problem with Ar bottle changeover by setting it to happen at 300psi.  
+
* Chandan, Lars, and Ellen temporarily solved the problem with Ar bottle changeover by setting it to happen at 300psi [https://logbooks.jlab.org/entry/4207387]
  
 
=== DAQ updates (Ben, Bryan, Alex) ===
 
=== DAQ updates (Ben, Bryan, Alex) ===
 
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Latest revision as of 12:36, 24 October 2023

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!


GEM inventory for GEn-RP and GEp:

  • Inventory and plan: [1]
  • HV upgrade tracker: [2]

Update on BB GEMs

  • GEM experts on-call [3]
  • BB HV was tripping a lot this weekend due to beam issues. We continued to raise the trip limits to reduce the trips of the detectors [4]
  • BB GEM 5th layer, top most module (XY) likely shorted [5], [6], [7]

Update on layers for GEn-RP

  • LV probably died in SBS and will be repaired on Wednesday when beam is away [8]
  • HV problem in SBS layer 6 since turning on beam [9]
  • Some problem in SBS layer 2 [10]
  • Mass flow controller problem is still unresolved [11]
  • Chandan, Lars, and Ellen temporarily solved the problem with Ar bottle changeover by setting it to happen at 300psi [12]

DAQ updates (Ben, Bryan, Alex)