Difference between revisions of "Sep 15, 2022"

From HallCWiki
Jump to navigationJump to search
 
(3 intermediate revisions by the same user not shown)
Line 33: Line 33:
 
= Current Status =
 
= Current Status =
 
* D. Meekins target work completed and cool down of LH2/LD2 will be done today late in the morning <br> (there are issues with beam-line vacuum that will need to get resolved before locking Hall C for beam)  
 
* D. Meekins target work completed and cool down of LH2/LD2 will be done today late in the morning <br> (there are issues with beam-line vacuum that will need to get resolved before locking Hall C for beam)  
 +
 
* After work is done, S. Lassiter will need to do rotation certification before spectrometers can be rotated (before Friday afternoon)
 
* After work is done, S. Lassiter will need to do rotation certification before spectrometers can be rotated (before Friday afternoon)
 +
 
* J. Beaufait will do Hall C walkthrough Friday @ 2:00 pm, afterwards, Hall C will be swept and go to beam permit.
 
* J. Beaufait will do Hall C walkthrough Friday @ 2:00 pm, afterwards, Hall C will be swept and go to beam permit.
  
Line 47: Line 49:
 
** Hall C target chamber and downstream dump-line vacuum readings are 3e-5 torr and 200 torr, respectively.
 
** Hall C target chamber and downstream dump-line vacuum readings are 3e-5 torr and 200 torr, respectively.
 
** Meekins does have some recommendations for that system, but will not make any changes without talking to Walter Kellner first
 
** Meekins does have some recommendations for that system, but will not make any changes without talking to Walter Kellner first
 +
** Cause of vacuum leak: [https://logbooks.jlab.org/entry/4041785 Vacuum Leak]
  
 
= Planned Accesses to the Hall =
 
= Planned Accesses to the Hall =

Latest revision as of 08:31, 15 September 2022

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

Current Status

  • D. Meekins target work completed and cool down of LH2/LD2 will be done today late in the morning
    (there are issues with beam-line vacuum that will need to get resolved before locking Hall C for beam)
  • After work is done, S. Lassiter will need to do rotation certification before spectrometers can be rotated (before Friday afternoon)
  • J. Beaufait will do Hall C walkthrough Friday @ 2:00 pm, afterwards, Hall C will be swept and go to beam permit.

Current Run Plan

Notices in Effect for Shift Crew

Current Issues

  • beam-line vacuum issues (too low):
    • Hall C target chamber and downstream dump-line vacuum readings are 3e-5 torr and 200 torr, respectively.
    • Meekins does have some recommendations for that system, but will not make any changes without talking to Walter Kellner first
    • Cause of vacuum leak: Vacuum Leak

Planned Accesses to the Hall

Planned Accelerator Configuration Changes

Special Requests