Run Planning Meeting Notes, August 3- August 10, 2022
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Meeting are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)
Hall D counting room white board
Contents
Friday August 5
Past 24 hours
- Running on empty target (60 nA).
- Plan to do TAC run Thursday was postponed (Today, or around Aug. 15th).
- Everything is going well: 15.1h of ABU (63% efficiency). Time loss mostly due to thunderstorm (3h).
Shift Reports
Reports
Issues
- Lost lock. Notice by owl shift crew who notified MCC.
- Difficulties with Coherent edge peak matching template during [day shift] and owl shift (solved by Hovanes).
- Hot wire number 40 for FMWPC Occupancy Layer 1 (Beni), (Beni), (Hovanes, on EPICS channel change), (Justin), (Justin),
Plans
- RF recovery until ~noon +/- 1h. Access to put back Pb target if no TAC run today?
- TAC run in the afternoon ? (Thunderstorms forecast) or production on Pb.
- Monday day: 5 -> 4 pass change for Hall C (Around 4h. Mostly invasive).
Thursday August 4
Past 24 hours
- Running on empty target (60 nA). Everything is going nicely and smoothly: 16.6h of ABU (69% efficiency).
Shift Reports
Reports
Issues
- temporary main trigger rate increase seems to be due to a hot FCal channel.
- Hot channel in FCAL
- FMWPC Chamber 1 hot wire and trips due to high current
- 2 ns shift fixed by Sean, follow-up by Justin
- A peak at wire number 40 for FMWPC Occupancy Layer 1 appears to be causing trips, see also [Early Riser shift summary https://logbooks.jlab.org/entry/4024097]
Plans
- Production running on empty target until Thursday
- Thursday morning, TAC run starting ~9am? (7-8 hours, assuming stable beam)
- RF Recovery for 4hrs on Friday to prepare for weekend. Starts at 7:15am.
- Monday day: 5 -> 4 pass change for Hall C (Around 4h. Mostly invasive).