RC Meeting, Thursday, September 2, 2021
From HallCWiki
Contents
RC Meeting Information
RC Daily Meeting at 10:00 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
Accelerator Status
- Trying to deliver beam for physics to Hall B; issues last night with the beam size being too large and tails on vertical; Hall B accepted the beam for now but they want optimization ASAP;
- ARC power supplies: they are finishing up ARC 8
- DC power needs an access to look at PS of DOG8
- Yan will check the injector setup in view of the Hall B beam issues
- 5-pass setup: Sep. 5-6
- Hall C setup: Sep. 7
- Hall C start of Physics: September 8th
Hall Status
- Target cooldown with He completed yesterday; H and D condensation will happen prior to first tune beam into the hall - probably on Monday
- Steve L. rotated HMS and SHMS yesterday but not to the start-up angles of 7.5 deg (SHMS) and 12.5 deg (HMS); will double check with him that we can go ahead and rotate remotely; we should make sure SHMS and HMS are at the start-up angles before the hall sweep
- Walter did the tech checklist and posted; all others: please do your checklists; we promised Ops that we would be ready for a sweep starting with late Friday afternoon
Notices in Effect for Shift Crew
- Please read safety documentation (https://hallcweb.jlab.org/safety-docs/Fall2021/) and sign in the "yellow binder" in the Counting House
Current Issues
- Mismatch between the new FADC firmware and the FADC decoder/hcana being addresses by Mark
- Interlock tripping on HMS Q1 [https://logbooks.jlab.org/entry/3896458} Steve took a look yesterday. Mark will exercise magnets today. --> need update
- Target motion camera should be installed. Waiting to hear back from Joe B. --> need update
- Checklist need to be done to lock up the Hall (detectors, beamline, magnets/roattion) --> sent out e-mail for checklists to be completed by Friday noon