RC meeting and Run Plan, Monday Nov 19

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RC Meeting Information

RC Daily Meetings are at 4:30 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

Current Run Plan

Notices in Effect for Shift Crew

  • Shift leaders, please fill out the check list once per shift!
  • It is no longer required to fill out the standard.kinematics file online, it is now done automagically
  • Split the large desired charge between multiple runs (~1 hour per run)
  • Listed currents are estimates. For runs at less than 60uA, increase current until SHMS singles rates are between 400k-500k.
  • How-to power cycle PLC I/O chassis: https://logbooks.jlab.org/entry/3625862, https://logbooks.jlab.org/entry/3625900

Current Issues

Planned Accesses to the Hall

  • Monday, Nov 26: aerogel change and HGC work needs to be coordinated with Walter K.

Planned Accelerator Configuration Changes

  • Tuesday, Nov 20: CHL UPS battery change, should be noninvasive however, induce CHL anomaly is possible
  • Wednesday, Nov 21: Hall A goes offline and MCC wants to conduct high current beam study of energy spread at 40 uA. It is unclear that we will be effected
  • Monday, Nov 26: Energy change to 1.86 GeV/pass, we will be moved over to 500 MHz laser.

Special Requests

  • Vijay Kumar (Regina group) has requested a walkthrough during the next access
  • Jay B. would like to conduct another beam steering test (5 minute procedure) during the next polarity change. He requests to only be contacted if the polarity change occurs during the hours of 0630 and 1930.
  • Carlos Munoz Camacho would like access to the hall to show Hall-C to two French engineers working on the NPS project. It should be a ~30 minute access, and is a low priority. He can be contacted at 357-1065