Difference between revisions of "Meeting 2022 01 19"

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(Created page with "<span style="font-size:larger">'''GMn GEM commissioning Meetings: WEDNESDAY 10:00am - 11:00am'''</span> Link to all previous meetings: [https://hallaweb.jlab.org/wiki/index.p...")
 
 
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===  Update on BB GEMs(Sean, Ezekiel, Holly, Anu) ===
 
===  Update on BB GEMs(Sean, Ezekiel, Holly, Anu) ===
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* gas filters identified, working on order to implement 1 per line from distribution to GEM in BB
+
* gas filters identified and ordered for BB
 +
* GEM HV linearity study at SBS-14 https://logbooks.jlab.org/entry/3973136
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* [https://hallaweb.jlab.org/wiki/images/3/38/BB_GEMs_1_19_22.pdf Overall GEM update]
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* 2 uA on LH2 flowing at 525 cc/min https://logbooks.jlab.org/entry/3970576
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* 1 uA on LD2 flowing at 375 cc/min https://logbooks.jlab.org/entry/3972332
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* 1 uA on LD2 flowing at 375 cc/min with +25 V on UV layer 1 and XY 1 https://logbooks.jlab.org/entry/3972299
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* Summary: Discussion on testing and understanding of negative signals and their source. Need plan and documentation.
  
 
=== Update on UVa GEM layers for GEn-RP (Anu, John, Thir) ===
 
=== Update on UVa GEM layers for GEn-RP (Anu, John, Thir) ===
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* Update on: Analyzer, SBS-offline, and SBS-replay installed on eel124gemdaq?
+
* SBS-replay/analysis: Need to finish up the database file and then move on to trying out the full SBS analysis/replay.
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* Update on: Need to finalize configuration of the database and CFG files?
+
* Simple table for showing which GEM sectors are known to be "dead".
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* Update on: Finalizing a comprehensive report on the status and remaining plans for the GEn-RP setup.  
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* ZIF-panasonic connectors at UVa: probably want to order about 100. Will also order more APV from CERN.
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* Update on: What are the dates for when this gets moved in?
+
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* Identified ZIF-panasonic connectors, need to determine quantity for order and implementation in design
+
  
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---- Requests made during the meeting
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---- Requests made during previous meeting:
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* DAQ inventory survey - [[Media:Screenshot_from_2022-01-18_19-44-01.png | Latest APV Inventory]]
  
−
*Is the MPD count in this spreadsheet (https://docs.google.com/presentation/d/1k9OGSgOSm9e2UNpA9n3k0W7nGgIyo0SK/edit#slide=id.p1) up to date? We have enough for GEn-RP?
+
---- HV Power Supply tests
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* Update on:: Re-do the inventory of APV cards. Separate out the bad APV cards, sort out which ones are fixable locally (by the electronics group or somewhere else) and the ones that might need to be sent to Italy to be fixed.
+
* Currently have data for the pedestals for both Caen and Wiener power supplies.
 +
* Have cosmic data for the Wiener PS -- just ended run for Caen cosmic data.
  
 
=== Update on INFN GEM layers for GEn-RP (Ezekiel) ===
 
=== Update on INFN GEM layers for GEn-RP (Ezekiel) ===
 
* Update on: finish document with honest assessment of current readiness
 
* Update on: finish document with honest assessment of current readiness
−
* Update on: need a plan to change out the HV divider and test
+
* INFN working on the divider modification and will send some replacements when available.
  
 
=== Update on the Tracking efficiency / resolution (Andrew) ===
 
=== Update on the Tracking efficiency / resolution (Andrew) ===
−
*  
+
* No update
  
 
=== Update on the High rate DAQ development (Ben, Bryan, Alex, Holly) ===
 
=== Update on the High rate DAQ development (Ben, Bryan, Alex, Holly) ===
−
*
+
* No update

Latest revision as of 12:32, 19 January 2022

GMn GEM commissioning Meetings: WEDNESDAY 10:00am - 11:00am

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)

Update on UVa GEM layers for GEn-RP (Anu, John, Thir)

  • SBS-replay/analysis: Need to finish up the database file and then move on to trying out the full SBS analysis/replay.
  • Simple table for showing which GEM sectors are known to be "dead".
  • ZIF-panasonic connectors at UVa: probably want to order about 100. Will also order more APV from CERN.
Requests made during previous meeting:
HV Power Supply tests
  • Currently have data for the pedestals for both Caen and Wiener power supplies.
  • Have cosmic data for the Wiener PS -- just ended run for Caen cosmic data.

Update on INFN GEM layers for GEn-RP (Ezekiel)

  • Update on: finish document with honest assessment of current readiness
  • INFN working on the divider modification and will send some replacements when available.

Update on the Tracking efficiency / resolution (Andrew)

  • No update

Update on the High rate DAQ development (Ben, Bryan, Alex, Holly)

  • No update
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