Run Planning Meeting Notes, Novemver 17 - Novemver 23, 2022
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Hall D counting room white board
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Contents
Wednesday, November 23
Past 24 hours
- 1B collected (111554-present)
- Unstable beam during the day but stable overnight
Shift Summary
Issues/Reports
- Usual FCAL bases lockup
- 1.7B collected since the start of this Empty target cycle (111546-present)
Plan
- Take Empty target data until 2B trigger is reached
- Naomi will take over as RC
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to 29/11
Tuesday, November 22
Past 24 hours
- Harp scan at 8 pm
- Start empty target cycle at 9 am
- No beam from 6:41 am until 7:50 pm
- 0.5B collected (111546-present)
Shift Summary
Issues/Reports
- Usual FCAL bases lockup
- Harp scan results
- Failed vacuum pump in the South Linac, no beam for several hours
- Tagger Fire Exit door frame switch is repaired
- 2 FCAL bases replaced (Malte)
- TAGH HV crate communication issue solved (Hovanes)
- 0.5B collected since the start of this Empty target cycle (111546-present)
Plan
- Take Empty target data until 2B trigger is reached
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to 29/11
Monday, November 21
Past 24 hours
- 3.15B collected (111529-present)
- TAGH alarm (IOC issue and requires entering the Tagger Hall to be resolved)
Shift Summary
Issues/Reports
- Failed vacuum pump in the South Linac, no beam for several hours
- Beam dropped due to interlock failure of halld tagger truck ramp (MCC)
- TAGH alarm (Hovanes)
- FCAL base lockup
- 16.5B collected since the start of this Full target cycle (111456-present)
Plan
- Tagger Hall access for T1-8-TOP CAEN HV crate manual rebooting
- Switch to empty target
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to ??/??
Sunday, November 20
Past 24 hours
- 3.2B collected (111505-present)
- TAGH alarm issue is an IOC issue and requires entering the Tagger Hall to be resolved. TAGH HV are all on and scalers & histograms are all filled and looking good. But, shift crews must closely monitor HV, scalers, and histograms pattern for any dead channels.
Shift Summary
Issues/Reports
- TAGH alarm (Hovanes)
- DAQ lifetime 0%
- FCAL base lockup
- 13.3B collected since the start of this Full target cycle (111456-present)
Plan
- If there is an extended downtime between 10 am & 7 pm call Sasha
- T1-8-TOP CAEN HV crate manual resetting will occur on Monday
- Take Full target data until Monday morning
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to ??/??
Saturday, November 19
Past 24 hours
- 3.3B collected (111492-present)
Shift Summary
Issues/Reports
- FCAL bases lockup (5 cases in 24hrs), Malte noted that the lockup frequency is higher when the target is filled compared to empty target periods.
- Goniometer was in BLANK position instead of RETRACTED
- 10B collected since the start of this Full target cycle (111456-present)
Plan
- Take Full target data until 13B triggers reached
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to ??/??
Friday, November 18
Past 24 hours
- 2.7B collected (111480-present)
- 2hrs lost due to RF
Shift Summary
Issues/Reports
- FCAL base lockup
- Beam current slightly higher than 200nA (Alexandre D.)
- 6.7B collected since the start of this Full target cycle (111456-present)
Plan
- Take Full target data until 13B triggers reached
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to ??/??
Thursday, November 17
Past 24 hours
- 2.8B collected (111460-present)
- 2hrs lost because of DAQ issue
Shift Summary
Issues/Reports
- Non regular beam energy (Keigo/Victor)
- FCAL base lock
- CDC IA was not turned on after the target was filled (Ellie/Thomas)
- DAQ issue (Sergey/Ellie/Thomas)
- 3.83B collected since the start of this Full target cycle (111456-present)
Plan
- Take Full target data until 12B triggers reached(?)
- Expect downtimes and unstable beam due to Hall A spin dance & 70uA beam
- Acc. White Board, no maintenance scheduled for next week
- Priority to Hall C until 24/11
- Priority to Hall A 25/11 to ??/??