Difference between revisions of "Run Planning Meeting Notes, Feb 23- Mar 1, 2017"

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# Accelerator Status over the last 24 hrs
 
# Accelerator Status over the last 24 hrs
 
#* Beam was mostly:  
 
#* Beam was mostly:  
−
#** Stable
+
#** Stable : [https://logbooks.jlab.org/entry/3462083 Beam current and positions]
 
#* Harp scans:  
 
#* Harp scans:  
 
#** [https://logbooks.jlab.org/entry/3461613 Beam line], [https://logbooks.jlab.org/entry/3461624 Radiator Harp, before AC repair]
 
#** [https://logbooks.jlab.org/entry/3461613 Beam line], [https://logbooks.jlab.org/entry/3461624 Radiator Harp, before AC repair]

Revision as of 08:10, 24 February 2017

<- Back to Run Coordination Meetings: Spring 2017 Run

Thursday, February 23

Shift ABU BNA BANU
Day 5.11 1.07 1.82
Swing 6.46 0.77 0.76
Owl 2.35 0.00 5.65
Total 13.92 1.85 8.23
  1. Accelerator Status over the last 24 hrs
    • Beam was mostly
      • Stable until midnight
    • Harp scans:
      • Beam was re-focused around noon ELOG
      • final MCC scans : IHA5C11, IHA5C11B
      • Radiator HARP scans: Radiator Harp
        • (Sigma_X, Sigma_Y) is (0.85,0.55), (0.65, 0.49), and (0.73, 0.43).
      • new Harp scans as part of beam steering problem: MCC, Radiator Harp
  1. Hall-D/GlueX items
      • Downtime incidents of more than 30 minutes:
        • DAQ 10:45 for about 40 min. , Sergey helped
        • Beam position lock on active collimator steered the beam away: 00:15
        • Traced problem to pre-amp problem in inner AC (dead or needs to be reset, power cycled ?)
        • Total triggers collected: 1400 M
  2. Issues
    • Active collimator
    • DAQ issues:
      • difficult restart at 10:45pm
  3. Monitoring
  4. Run Plan
    • Repair active collimator.
    • HIgh luminosity ?
  5. Offline Analysis?
  6. Any Other Business?

Friday, February 24

  1. Accelerator Status over the last 24 hrs
  2. Hall-D/GlueX items
    • In the last 24 hours:
      • Feb 23: Total triggers collected: M
  3. Issues
    • Active Collimator repair
      • Rebooting IOC did not help
      • Alex Barnes and Trent Allison found problem to be low voltage power supply, repair completed 11:55am ELOG.
    • DAQ issues:
      • Crash, Sergey helped recovering (approx. 45 min)
  4. Monitoring
  5. Run Plan
    • Empty target run ?
    • TAC run ?
    • HIgh luminosity ?
  6. Offline Analysis
  7. Any Other Business
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