RC Meeting and Run Plan, Monday, December 16th 2019

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RC Meeting Information

RC Daily Meetings are at 4:15 PM, 2nd floor Counting House Meeting Room

  • 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

Current Status

  • Spectrometer Magnets Off (Alarms Masked)[1]
  • PNMR FID signal can't be found. System can be troubleshooted in CH. [2]
  • 3 NMRs are working
  • EPR is working [3] but noisy [4]
  • EPR Longitudinal Status ?

Current Run Plan

  • Next: Moller Accidental Test (SWING)
  • N2 reference Cell: Ion Calibration and Reference Cell Runs (SWING/OWL)
  • Beam Energy Measurement (OWL)
  • BCM Calibration (OWL)
  • Pass Change Tomorrow AM
  • Run Plan
  • Energy measurement at 5-pass [5]
  • Day by Day Options [6]

Notices in Effect for Shift Crew

  • Policy for CANS-related hall status change: Make a logbook entry when the hall goes in, or comes out of laser-controlled access.
  • Magnet policies
    • HMS Q1 must be ramped down in 50A steps in all cases
    • Do not ramp HMS Q2 to zero, only go to 10A and then switch off power.
  • Inform the RC of any access that the Target Team requires. The RC will coordinate with RadCon to make everything run smoothly.
  • The operators have been somewhat careful with our beam orbit locks. Please make sure that the orbit locks are enabled and the beam does not drift from its nominal position.
  • Ramp rate lock instructions are here and added to checklist[7]
  • Temporary Laser instructions can be found here [8]

Current Issues

  • SHMS Dipole Power Supply
  • HMS Dipole LN2 overfilling (Ice balls formed)

Ongoing Work in the Hall

  • SHMS Dipole PS

Planned Accelerator Configuration Changes

  • Change to one pass on Tuesday

Special Requests

  • Keep target expert schedule filled out on whiteboard
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