RC meeting and Run Plan, Friday February 17th

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RC Report


  • Ran with ~30 uA beam overnight, sometimes 40 uA
  • Average current was just 12 uA (8am/16 - 8am/17) => 1 C only


  • CEBAF beam delivery efficiency

Current Status

  • Production on polarized He-3 target

Run Plan

  • Continue running on He3 up to 45 uA if available
  • Accelerator will prioritize beam and not have any maintenance days this week

Data Collection and Polarization Status

  • 34.6C of uncorrected charge for this kinematic (40.6C of corrected charge)
  • Last NMR 52.4%

Other Topics/Status Updates

  • DAQ reboot took 1 hour during day shift
  • BBcal PS multiplicity reduction?
  • HCal missing channels during swing shift?
  • Anything else?
  • Independent alarm handler for SBS GEM system
  • Bill wants to change the raster settings after some analysis

Requested Accesses to the Hall

  • Jack would like to collect some cables