Run Planning Meeting Notes, Apr 4 - Apr 10, 2019
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Contents
- Run_Coordination_Meetings:Spring2019_Run
- PrimEx daily meeting
- PrimEx-η run plan
- Production runs, number of triggers
- Trigger counter
- To join via a Web Browser, go to the page https://bluejeans.com/660743227
Thursday, Apr. 4 at 08:45
- Notes from the past 24 hours
- Accesses
- MCC reported minor issues with RF separators last evening
- Collected about 1.6B triggers on full target
- beam position was relatively stable
- Issues
- Reports
- Today
- Production running, 200nA, 10-4 Al
- Run Plan
- Beam studies on Monday full 8 hrs. RF recovery if needed.
- End of run in two weeks time...
- AOB
Friday, Apr. 5 at 08:45
- Notes from the past 24 hours
- MCC reported issues with RF separators during the day shift (about 2 hours with no beam)
- Collected more than 1.5B triggers on full target
- Issues
- No FP trigger bit 6 since Wednesday's access (logbook entry 3675468). Fixed at 10:30 (logbook entry 3675508).
- Reports
- AC y signal decay under beam follow up (logbook entry 3675518).
- Convectron vacuum gauges alarms removed (logbook entry 3675593).
- Today
- Production running, 200nA, 10-4 Al
- Run Plan
- Beam studies on Monday, the whole day shift. RF recovery only if needed.
- End of run in 10 days
- AOB
- Next RC meeting on Monday
Monday, Apr. 8 at 08:45
- Notes from the past 72 hours
- Collected more than 4.5B triggers on full target
- Issues
- Few FCAL basses are off or have low voltages (logbook entry 3676530). For later runs the situation looks better (rebooted?) (logbook entry 3676636). Voltages continue fluctuating (logbook entry 3676649). Colin will check.
- CCAL low occupancy spot appears from time to time (https://logbooks.jlab.org/entry/3676519 logbook entry 3676519)
- AC beam position was unstable for a couple of hours (https://logbooks.jlab.org/entry/3676632 logbook entry 3676632)
- Reports
- Beam energy correlation with Hall C beam (logbook entry 3676522).
- Rate monitoring (https://logbooks.jlab.org/entry/3676748 logbook entry 3676748)
- Today
- Controlled access during the day shift
- Target emptying this morning.
- Walkthrough at 11:00 am
- Production running, 200nA, 10-4 Al on Empty target evening and owl shifts.
- Run Plan
- Beam studies 8:30 - 15:30, beam restoration 15:30-16:30. No RF recovery planned for Tuesday.
- End of run in 7 days
- AOB
Tuesday, Apr. 9 at 08:45
- Notes from the past 24 hours
- Beam studies during last day shift. Target emptied.
- Collected ~300M triggers on Empty target
- Issues
- Few FCAL basses have been replaced. Others showed up (logbook entry 3677103, [1], [2]). Need to be rebooted.
- Beam position was walking from time to time (logbook entry 3677110, [3])
- Rootspy Make e-log entry button doesn't work again.
- Missing data in EPICS ([4])
- Reports
- Beam convergence (logbook entry 3677034).
- Harp scan after beam restoration (logbook entry 3677028, [5], [6])
- Rate monitoring ([7])
- Today
- Controlled access afternoon to fill target back
- Production running, 200nA, 10-4 Al on Empty target before noon and full target afternoon.
- Run Plan
- No RF recovery planned for today.
- End of run in 6 days
- AOB