Difference between revisions of "Run Planning Meeting Notes, Novemver 17 - Novemver 23, 2022"
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* Failed vacuum pump in the South Linac, no beam for several hours | * Failed vacuum pump in the South Linac, no beam for several hours | ||
+ | * [https://logbooks.jlab.org/entry/4088576 Tagger Fire Exit door frame switch is repaired] | ||
* ?.?B collected since the start of this Empty target cycle (111???-present) | * ?.?B collected since the start of this Empty target cycle (111???-present) | ||
Revision as of 10:46, 21 November 2022
Meetings are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)
Hall D counting room white board
Back to Run Coordination Meetings:Fall2022
Contents
Tuesday, November 22
Past 24 hours
- Start empty target cycle at 9 am
- ?.?B collected (111???-present)
- No beam from 6:31 am until ??:?? pm
- ?.?B collected (111529-present)
Shift Summary
Issues/Reports
- Failed vacuum pump in the South Linac, no beam for several hours
- Tagger Fire Exit door frame switch is repaired
- ?.?B collected since the start of this Empty target cycle (111???-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 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 ??/??