February 20, 2030: Hall C Weekly Meeting Report
From HallCWiki
Contents
Under Construction
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
Summary Monday 2/13 - 2/20
Monday
Sunday
- several L2 temperature alarms
- Finished last cycle on He targets Sunday ~ 3 pm
- started taking data on 7Li
- Sunday, ~ 18:30 pm accelerator trouble; beam down for hours
- Sunday, ~ 22:30 trauble in hall: lost target control, BCM temp & raster alarms; Dave M. came in to investigate; 480 V breaker had tripped; seems also some beam line pumps down; started to warm up target
Current Status
- Hall is in restricted access
- target is cooling down; expected to have condensed targets by Tuesday afternoon
- reeastablished coincidence trigger for CAFE
- HMS spectrometer rotation being done right now; Solid "bunker" already relocated; moving HMS to 30 deg and then relocate solid detector
- earlier CAFE folks had a meeting to settle on their runplan.
Current Run Plan
- Once we get beam back, run two days for CAFE
- then start deuteron experiment
Issues/updates
- HMS NMR is loosing lock often (noticed by several crew)
- glitches on target T read back led to HPHtr dropping to zero (noticed by several crew)
Current Issues
- N/A
Planned Accesses to the Hall
- Monday 8 am through Tuesday ~ 2pm for target change
- RadCon and PD already have been informed by Nathaly
- parasitically to target change, work on Solid prototype test
- parasitically to target change, bring new HMS transfer line into hall (requires opening truck ramp)
