RC Meeting Information

RC Daily Meetings are at 11:00 (am) via Zoom and in person in the counting house meeting room (2nd floor)

Useful Links

Continue run plan: https://hallcweb.jlab.org/wiki/index.php/Short_Term_Run-Plan
- cycle KinC_x60_2 then KinC_x60_2'
- Only need four 1-hour production runs on LD2 for each cycle of each setting.
Beam off 7:00 am Friday 15 Dec

All shifts should come in as planned.
- cc Heidi & Steve Lassiter on any cryo logbook entry (fansler@jlab.org, lassiter@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

No beam because of cryo issue - should come back mid day shift
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.
Need alarm on NPS Sweep (or improved visual display of status).
NPS PMT/Base failures are propagating into columns 12, 13

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

Shutdown repair plan
1. Remove columns 0-19, start restoration at column 19
  1. Best option for radiation damage.
  2. Either extend shutdown beyond Jan 20 to restore all columns
  3. Or: only restore colulmns 4-19