RC Meeting, Friday, September 23, 2021

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RC Meeting Information

RC Daily Meetings are at 10 am, remote

  • Bluejeans remote connection information:
 To join the Meeting:
 https://bluejeans.com/861439920
 To join via Room System:
 Video Conferencing System: bjn.vc -or-199.48.152.152
 Meeting ID : 861439920
 To join via phone :
 1)  Dial:
   +1.408.740.7256 (US (San Jose))
   +1.888.240.2560 (US Toll Free))
   +1.408.317.9253 (US (Primary, San Jose))
   (see all numbers - http://bluejeans.com/numbers)
 2)  Enter Conference ID : 861439920

Useful Links

Wednesday Status

  1. Good beam throughout swing and overnight.
  2. Two short interruptions:
    • Hall C (~8am) SHMS Q3 interlock (thermal breaker/fuse)
    • Hall D (~3am) ion chamber board:
  3. LN2 at HMS Q1 is low (generating warning): https://logbooks.jlab.org/entry/3911064
    • No action taken, until Hati came at 7:30am (refill started). Paying attention to the ice ball formation
  4. Hall Camera glitch: https://logbooks.jlab.org/entry/3910814
    • Reboot instruction by Brad (will be done during the SHMS moving on Monday).

Current Run Plan

  1. Q2=6 GeV left setting until Monday
    • FACDMODE10 data taken
    • Dummy target run daily.

Current Issues

  • SHMS rotation to 5.5 Degrees (Monday)
  • Beam study on Tuesday
  • Raster Magnet Issue
  • Target Fan Controller
  • Injector tune mode generator
  • SHMS rotation camera reset

Special Requests

  • MCC has been notified that we will require a beam energy measurement at this pass. Hopefully good beam this weekend and then we can ask for this to be done on Monday day.