RC Meeting, Friday, October 22 , 2021
From HallCWiki
RC Meeting Information
RC Daily Meetings are at 10 am, remote connection link: https://bluejeans.com/861439920
Accelerator Status
- Started getting beam back after maintenance day around 00:00 Thursday.
- Significant production resumed around 02:00 Thursday.
- Beam off about 15:00 on Thursday due to Arc 7 ground fault. Halls C and D down since then.
- SL and remote workers for Friday day on standby at the moment.
- Pass change for Hall A is now possibly Sunday morning.
- And of course the accelerator will be off Monday morning for the Secretary of Energy tour.
Hall C Status
- We're waiting for a repair in Arc 7. Anybody got anything they need to do inside Hall C?
- So far we have collected about 4127 pions in this configuration
Current Run Plan
- Continue data taking until early Nov
Current Issues
- Replace flow switches for (HMS?) magnet power supplies: next opportunistic access (Joe Beaufait) ( PENDING )
- Q3 insulating vacuum spikes generating alarms. For example, https://logbooks.jlab.org/entry/3930175 .
- One HB LHe incident of note: https://logbooks.jlab.org/entry/3929152 . (possible clue to the origin?)
- Target ladder camera was identified to be bad: Joe Beaufait will order camera ( PENDING )
- Still running with no UPS on the SHMS cryo controls - Steve L. has ordered batteries and UPS. ( PENDING )
- HCCAM02 not functioning (lift required to replace).