Difference between revisions of "Run Planning Meeting Notes, November 18 - November 24, 2021"

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(Monday, November 22)
(Monday, November 22)
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#* Recorded ~  B triggers on LHe
 
#* Recorded ~  B triggers on LHe
 
#* Switched to Liquid deuterium during swing shift on Saturday: [https://logbooks.jlab.org/entry/3947358 Target cooling]
 
#* Switched to Liquid deuterium during swing shift on Saturday: [https://logbooks.jlab.org/entry/3947358 Target cooling]
#** [https://logbooks.jlab.org/entry/3947422 Trigger/DAQ/Data rate at 140 nA]
+
#** [https://logbooks.jlab.org/entry/3947422 Trigger/DAQ/Data rate at 140 nA]: 68 kHz w/ 96% live time
  
 
#Issues:
 
#Issues:

Revision as of 18:53, 21 November 2021

Monday, November 22

  1. Last 72h:
  1. Issues:
  2. Plan:
    • Continue production at 140 nA on diamond
  3. Analysis update

Friday, November 19

  1. Last 24h:
    • Repair work for RF separator did not end up impacting taking beam -- yay!
    • Added ~2B triggers: [1]
  2. Issues:
    • A couple of minor issues:
      • DAQ computer acting weird, but this did not impact actual data taking
      • Alcohol bubbler too dark to see: [2]
  3. Plan:
    • Continue production at 150nA on diamond
    • Saturday day: Low current + empty target?
    • Saturday swing: switch to liquid deuterium
  4. Analysis update

Thursday November 18

  1. Last 24h:
    • ~1.4 B triggers (250M AMO): [3]
    • Down from ~8:45 am -> 9:30 pm due to 4th pass RF separator problem
      • Repair plan: down at ~10 am for ~30 minutes, then acc will decide if full system needs to be down for repair for longer time
      • Some discussion regarding using magnetic separation for 1 hall running if down more than 30 minutes
  2. Issues:
    • writing on tape?
    • High temperature of locked-up FCAL bases? [4]
    • Shift crew will take over servicing FCAL base lock ups. wiki instructions
  3. Plan:
    • Continue production at 150nA on diamond
  4. Analysis update