Difference between revisions of "Run Planning Meeting Notes, November 4 - November 10, 2021"

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(Monday November 08)
(Monday November 08)
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#* New run period started: 2021-11, runs 90000+
 
#* New run period started: 2021-11, runs 90000+
 
#* Solenoid coil4 vacuum degraded on Friday afternoon [https://logbooks.jlab.org/entry/3937615][https://logbooks.jlab.org/entry/3937976], lead to dump at 9pm [https://logbooks.jlab.org/entry/3937754]
 
#* Solenoid coil4 vacuum degraded on Friday afternoon [https://logbooks.jlab.org/entry/3937615][https://logbooks.jlab.org/entry/3937976], lead to dump at 9pm [https://logbooks.jlab.org/entry/3937754]
#* Vacuum recovered after dump [https://logbooks.jlab.org/entry/3937887], ramping to 800A on Saturday [https://logbooks.jlab.org/entry/3937945]
+
#* Vacuum recovered after dump [https://logbooks.jlab.org/entry/3937887], ramping to 800A on Saturday [https://logbooks.jlab.org/entry/3937945], fully ramped on Sunday afternoon [https://logbooks.jlab.org/entry/3938509]
#* Accelerator reconfiguration completed on Sunday
+
#* Accelerator reconfiguration completed on Sunday ~5pm, counting house staffed from 4pm
 +
#* Photon beam checkout:
 +
#** Radiation levels OK [https://logbooks.jlab.org/entry/3938701]
 +
#** First harp scan not good [https://logbooks.jlab.org/entry/3938623], second not much better, OPS and ADL require rematching of beam
 +
#* Preliminary DAQ cofiguration with Start Counter trigger [https://logbooks.jlab.org/entry/3938565]
 
#Reports
 
#Reports
 
#Issues
 
#Issues
 +
#* Tagger magnet cycling
 +
#* Goiniometer camera [https://logbooks.jlab.org/entry/3938660]
 
#Plans
 
#Plans
 +
#* Diamond alignment once beam convergence is satisfactory
 +
#* Trigger/DAQ checkout
  
 
=Friday November 05=
 
=Friday November 05=

Revision as of 09:03, 8 November 2021

MCC whiteboard Meeting Bluejeans 660743227 Trigger Counter

Monday November 08

  1. Last 72h:
    • Accelerator beam energy change started Friday 8am
    • New run period started: 2021-11, runs 90000+
    • Solenoid coil4 vacuum degraded on Friday afternoon [1][2], lead to dump at 9pm [3]
    • Vacuum recovered after dump [4], ramping to 800A on Saturday [5], fully ramped on Sunday afternoon [6]
    • Accelerator reconfiguration completed on Sunday ~5pm, counting house staffed from 4pm
    • Photon beam checkout:
      • Radiation levels OK [7]
      • First harp scan not good [8], second not much better, OPS and ADL require rematching of beam
    • Preliminary DAQ cofiguration with Start Counter trigger [9]
  2. Reports
  3. Issues
    • Tagger magnet cycling
    • Goiniometer camera [10]
  4. Plans
    • Diamond alignment once beam convergence is satisfactory
    • Trigger/DAQ checkout

Friday November 05

  1. Last 24h:
    • 7h accelerator down time due to power outage [11]
    • New modules installed in FCal2 test stand [12] (Sasha)
    • Beam restored around 2pm
    • Trigger studies with 20nA and 100nA (Sasha)
    • Recorded 800M+ events with full lHe4 target
    • 8am: PrimEx EoR
  2. Issues: -
  3. Reports:
    • Normalized rates [13] and beam energy [14](Alexandre)
  4. Plan:
    • Beam energy change 11/05-11/07, start Friday 8am
      • Cancel shifts from Friday 10am
      • RadCon survey for tagger halld done at 8am, leave hall and tagger in controlled
      • Safety Walkthrough scheduled for Friday 2pm (Elton)
      • Installation of Youri's detector near the PS on Sunday, calorimeter test has to go today?
      • Maintenance of the A/C for the server room: cancelled
    • Start SRC/CT experiment on Monday
      • Wiki page
      • Morning meeting at same time, but new number: 497773790/1473
      • Do we want to start a new run period 2021-11?
      • Continue SRC/CT run plan discussion here

Thursday November 04

  1. Last 24h:
    • Maintenance day
    • Replaced FCAL 15 bases [15]
    • Restored beam at 11:00pm
    • Harp scan [16]
    • Recorded 150M+ events with full LHe4 target
    • Several beam interruptions, currently loss of power, might take a few hours to restore
  2. Issues:
    • CDC HV alarm at 2:45am, restored by itself for all but one channel (F:14), but HV OK, acknowledged
    • BCAL LED trigger script was off for runs 81702 and 82703. Switched on afterwards.
  3. Plan:
    • Continue production at 200nA with the solenoid on
    • Beam energy change planned for 11/05-11/07, start Friday ~7am
      • Cancel shifts from Friday 10am?
      • RadCon survey for Friday morning is requested, leave hall in controlled, only survey tagger hall?
      • Safety Walkthrough scheduled for Friday 2pm (Elton)
      • EEL Closure from November 5th, 6pm to November 8th, 6am and November 12th, 6pm to November 15th, 6am