Difference between revisions of "December 9, 2023"
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= Current Status = | = Current Status = | ||
− | * Production on | + | * Production on KinC_x60_2 and _x60_2'. |
* Friday 15:30 Escorted access to survey and remove cables during HMS Dipole down to close valve in LERF resposible for LHe | * Friday 15:30 Escorted access to survey and remove cables during HMS Dipole down to close valve in LERF resposible for LHe | ||
**16:00 forgot to restore NPS Sweep magnet after Escorted Access. 2 hours of beam with sweep off | **16:00 forgot to restore NPS Sweep magnet after Escorted Access. 2 hours of beam with sweep off |
Revision as of 12:23, 11 December 2023
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: https://logbooks.jlab.org/entry/4229331
- no RC meeting today
- 9:00 am PD meeting for update on Separator repair
Useful Links
Current Status
- Production on KinC_x60_2 and _x60_2'.
- Friday 15:30 Escorted access to survey and remove cables during HMS Dipole down to close valve in LERF resposible for LHe
- 16:00 forgot to restore NPS Sweep magnet after Escorted Access. 2 hours of beam with sweep off
- 19:00 yesterday, lost Separator. No Beam. No MCC staff overnight for repairs.
- Sat 9Dec23 OWL SL cancelled
- All shifts still on for Sat Day
- 07:00 Separator repair work started. MCC estimate 2 hours
Current Run Plan
- Continue run plan: https://hallcweb.jlab.org/wiki/index.php/Short_Term_Run-Plan
- cycle KinC_x50_2 then KinC_x50_2'
Notices in Effect for Shift Crew
- All shifts should come in as planned.
- Heidi on vacation 7-13 Dec. Contact Steve L for cryo during that time.
- cc Heidi on any cryo logbook entry (fansler@jlab.org)
- Physically verify green led of gas flow and BCM temps in electronics room
- Record HMS (electron) tracking efficiency from each 50K replay report
Current Issues
- On call list seems incomplete and should be addressed by the Hall: https://logbooks.jlab.org/entry/4230495
- We need other indications of this interlock. In Hall A, we have it shut off detector HV via the alarm handler, and we have a flow rate alarm. Seems the useful PV values have not been working since 1-Sept.
- NPS PMT/Base failures are propagating into columns 9, 10, 11, 12
Planned Access to the Hall
Planned Accelerator Configuration Changes
- We will run until 07:00 Dec 15.
- Target will be warmed up and parked.
- Hall will remain in Controlled Access until 07:00 Dec 19
- Beam studies (Day Shift) Dec 19 will send beam into hall
- Hall will return to Controlled Access at 16:00 on Dec 19
Special Requests
- Plan for Moller Dec 13 or 14 (single HWP setting)