August 23, 2022
From HallCWiki
Contents
RC Meeting Information
RC Daily Meetings are at 11:00 (am) via Zoom and in person in the counting house meeting room (2nd floor)
- Zoom remote connection information:
Join ZoomGov Meeting https://jlab-org.zoomgov.com/j/1607100885?pwd=ZFBsRTFsYm5Zb0laZ0tyZXNjcEE0QT09 Meeting ID: 160 710 0885 Passcode: 595071 One tap mobile +16692545252,,1607100885# US (San Jose) +16468287666,,1607100885# US (New York) Dial by your location +1 669 254 5252 US (San Jose) +1 646 828 7666 US (New York) +1 669 216 1590 US (San Jose) +1 551 285 1373 US 833 568 8864 US Toll-free Meeting ID: 160 710 0885 Find your local number: https://jlab-org.zoomgov.com/u/ab2CekLXgQ
Useful Links
- Shift Signup (Read only)
- PionLT_2022_Physics_Status
- KaonLT Logbook - Used for PionLT updates too
- Physics analysis updates should be cross posted here
- Run Plans
- Hall-C Controls
- Hall-C Logbook
- MCC White Board
Current Status
- Numerous minor issues fixed during the rotation access yesterday
- Collimator motion was fixed
- Network switch replaced - Fixed some of our white alarms
- SHMS HGC pressure gauge camera power cycled
- This didn't fix it, but Brad restarted the camera software after I power cycled it and it came back
- Beam came back around 17:00 after the downtime caused by the VESDA alarm in the NL
- Steady data taking over swing and owl
- Brief HB interlock on swing took us down for ~30 minutes
Current Run Plan
- Working through the 24 hour run plan I posted yesterday
- Q2=1.60, W =3.06, x=0.1568, low ε data taking in progress
- LH2 central setting done - Full Analysis Here
- Dummy central setting done too
- LD2 central setting in progress
- Should finish central settings by early swing today, rotate out to 7.50 on the SHMS and finish this kinematic
- Should see us through the evening and into owl
- After this, two HeePCoin settings (#4 and #5 on pages 16 and 18 of the run plan) to finish before going to negative polarity
Notices in Effect for Shift Crew
- If all SHMS magnets crash at the same time, push the SHMS dipole crash button (on the rack above the target heater manual controls and target temperature readbacks).
- For physics settings that come in quickly, please see - Analysis Note #1 Analysis Note #2
- Please see updated CoVID guidance for the weekend - Weekend CoVID Guidance
- Made obsolete by recent CoVID guidance update?
Current Issues
- HMS Q2 Field Readback - Stuck at 0T
- Current is reading back ok and isn't changed, no real issue?
- Comms issue with field readback?
- Related to network switch fixes yesterday?
Planned Accesses to the Hall
- None planned
Special Requests
- Fix coffee machine, or replace.
- BCM Calibration - Today!
- Will do this after the meeting today
- Dave Mack posted the updated procedure
- Beam energy measurement - Wednesday (24/8)
