Difference between revisions of "Run Planning Meeting Notes, Mar 04-Mar 11, 2020"
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<- Back to [[Run Coordination Meetings:Fall2019 Run]] | <- Back to [[Run Coordination Meetings:Fall2019 Run]] | ||
[https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-11/index.html Integrated trigger count] | [https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-11/index.html Integrated trigger count] | ||
| + | |||
| + | == Wednesday, March 11 == | ||
| + | # Last 24 hours | ||
| + | #* Vacuum valve closed: opportunistic access for CCAL and FCAL until ~3 pm | ||
| + | #* CCAL bases replaced and closed up for TAC run with low current while Hall C is offline (3/13-3/20) | ||
| + | # Reports/Issues | ||
| + | #* [https://logbooks.jlab.org/entry/3801391 BCAL VME crate rebooted] yesterday afternoon but random and PS pulser [https://logbooks.jlab.org/entry/3801924 restarted this morning] | ||
| + | #* Slow [https://logbooks.jlab.org/entry/3801555 beam drifts] [https://logbooks.jlab.org/entry/3801565] | ||
| + | #* [https://logbooks.jlab.org/entry/3801629 New FCAL channel failure near beam hole] | ||
| + | #* [https://logbooks.jlab.org/entry/3801833 Top bubbler at the add line] (will be addressed today) | ||
| + | #* [https://logbooks.jlab.org/entry/3801694#comment-28034 RCDB error] partially fixed for run 72158 | ||
| + | # Run Plan | ||
| + | #* Production | ||
| + | |||
| + | == Tuesday, March 10 == | ||
| + | # Last 24 hours | ||
| + | #* Pedestal run addressed BCAL hot channel, followed by production running | ||
| + | #* Vacuum valve closed (investigation underway): Opportunistic access now(?) | ||
| + | # Reports/Issues | ||
| + | #* [https://logbooks.jlab.org/entry/3801218 Rates and their ratios] (Alexandre) | ||
| + | #* Energy jump (Alexandre) | ||
| + | #* BCAL LED pulser is working [https://logbooks.jlab.org/entry/3800498] [https://logbooks.jlab.org/entry/3800712] | ||
| + | #* Monitoring: [https://logbooks.jlab.org/entry/3800713 FDC occupancy] | ||
| + | #* [https://halldweb.jlab.org/hdops/wiki/index.php/Shift_Guidelines_for_Shift_Leader Reminder for Shift Leaders] (Elton) | ||
| + | # Run Plan | ||
| + | #* Opportunistic access for FCAL and CCAL | ||
| + | #* Production after access | ||
| + | |||
| + | == Monday, March 9 == | ||
| + | #Last 72 hours | ||
| + | #* Issues with delivering full current to A/C. Back up now, but no RF recovery planned/available to recover gradient(?) | ||
| + | #* Production running when beam available over the weekend | ||
| + | # Reports/Issues | ||
| + | #* Rates instability: [https://logbooks.jlab.org/entry/3798851 "dips" in rate] on Friday evening. | ||
| + | #** [https://logbooks.jlab.org/entry/3798772 beam off to other halls showed no change to PS rate] | ||
| + | #** Harp scan taken during dip: analysis by [https://logbooks.jlab.org/entry/3798744 shift crew (HALO:T:gamma)] and [https://logbooks.jlab.org/entry/3798822 Hovanes (HALO:T:electron)] and [https://logbooks.jlab.org/entry/3799097 Jay's convergence] | ||
| + | #** Since then the rate has been [https://logbooks.jlab.org/entry/3800345 ~stable] | ||
| + | #* Multiple processes running to different edge fitting scripts caused fluctuations (Mark D) | ||
| + | #** New [https://logbooks.jlab.org/entry/3798680 edge fitting script] in use to better [https://logbooks.jlab.org/entry/3799337 monitor edge and width] (Mark D) | ||
| + | #* [https://logbooks.jlab.org/entry/3799518 Collecting events before run start] | ||
| + | #* Monitoring: [https://logbooks.jlab.org/entry/3799996 BCAL hot channel] and in [https://logbooks.jlab.org/entry/3800497 monitoring]--> pedestal calibration needed (Mark) | ||
| + | #* [https://logbooks.jlab.org/entry/3798088 something weird] is fixed, was a bad ADC channel (Beni) | ||
| + | #* [https://logbooks.jlab.org/entry/3799352 gluonraid2 filled up] and [https://logbooks.jlab.org/entry/3799401 emptied by hand] (David) | ||
| + | #* [https://logbooks.jlab.org/entry/3797335 Bad data from CAEN HV] and intermittent LINK alarms (Hovanes) | ||
| + | # Run Plan | ||
| + | #* Production | ||
| + | # Longer term | ||
| + | #* Hall C down for configuration change 3/13-3/20. Good opportunity for low current TAC run. | ||
| + | |||
| + | == Friday, March 6 == | ||
| + | # Last 24 hours | ||
| + | #* Limited beam yesterday morning, followed by Hall access for [https://logbooks.jlab.org/entry/3797971 Solenoid VCL work] (Scot/Mark) | ||
| + | #* Steady production evening and overnight | ||
| + | # Reports/Issues | ||
| + | #* Rates instability: [https://logbooks.jlab.org/entry/3797873 Added additional beam positions to "default" MyaViewer] | ||
| + | #** [https://logbooks.jlab.org/entry/3798410 No major instability overnight.] Still plan to request other Hall beam off and Harp Scan if another "dip" in rate of 30% or more is identified by shift crew. | ||
| + | #** [https://logbooks.jlab.org/entry/3798434 Look back at other halls during previous instabilities] (Alexandre) | ||
| + | #* [https://logbooks.jlab.org/entry/3798428 Fluctuating coherent edge for 45/135 PERP] (Naomi) | ||
| + | #* ρ and ω yield/trigger (almost) back to nominal values: | ||
| + | #** [https://logbooks.jlab.org/entry/3797966 Initial CCDB time stamp update] (Alex) | ||
| + | #** [https://logbooks.jlab.org/entry/3798425 Followup to revert TOF timewalk calibration] (Beni) | ||
| + | #* [https://logbooks.jlab.org/entry/3798088 something weird] (Beni) | ||
| + | #* Updated reference plots: thanks Naomi! Experts please check your e-mails. [https://logbooks.jlab.org/entry/3798088] | ||
| + | #* [https://logbooks.jlab.org/entry/3797335 Bad data from CAEN HV] and intermittent LINK alarms (Hovanes) | ||
| + | # Run Plan (Friday + Weekend) | ||
| + | #* May be some additional (short) injector tuning (A2 interception) today to keep Hall A's charge asymmetry down. | ||
| + | #* Production | ||
| + | # Longer term | ||
| + | #* Hall C down for configuration change 3/13-3/20. Good opportunity for low current TAC run. | ||
== Thursday, March 5 == | == Thursday, March 5 == | ||
| Line 14: | Line 83: | ||
#* [https://logbooks.jlab.org/entry/3797243 Tagger field change to photon energy calibration] (Richard) | #* [https://logbooks.jlab.org/entry/3797243 Tagger field change to photon energy calibration] (Richard) | ||
#* [https://logbooks.jlab.org/entry/3797335 Bad data from CAEN HV] and intermittent LINK alarms (Hovanes) | #* [https://logbooks.jlab.org/entry/3797335 Bad data from CAEN HV] and intermittent LINK alarms (Hovanes) | ||
| + | #* ρ and ω yield/trigger back to nominal values: e.g. [https://logbooks.jlab.org/entry/3797218 Run 72076] (Alex) | ||
| + | #** Change of timestamp (Logbook entry?) | ||
| + | #* [https://logbooks.jlab.org/entry/3797800 Rates instability] (Alexandre) | ||
# Run Plan | # Run Plan | ||
| − | #* | + | #* Opportunistic access for solenoid work in parallel with injector tuning (1:00 pm) |
#* Production | #* Production | ||
Latest revision as of 06:53, 12 March 2020
<- Back to Run Coordination Meetings:Fall2019 Run Integrated trigger count
Contents
Wednesday, March 11
- Last 24 hours
- Vacuum valve closed: opportunistic access for CCAL and FCAL until ~3 pm
- CCAL bases replaced and closed up for TAC run with low current while Hall C is offline (3/13-3/20)
- Reports/Issues
- BCAL VME crate rebooted yesterday afternoon but random and PS pulser restarted this morning
- Slow beam drifts [1]
- New FCAL channel failure near beam hole
- Top bubbler at the add line (will be addressed today)
- RCDB error partially fixed for run 72158
- Run Plan
- Production
Tuesday, March 10
- Last 24 hours
- Pedestal run addressed BCAL hot channel, followed by production running
- Vacuum valve closed (investigation underway): Opportunistic access now(?)
- Reports/Issues
- Rates and their ratios (Alexandre)
- Energy jump (Alexandre)
- BCAL LED pulser is working [2] [3]
- Monitoring: FDC occupancy
- Reminder for Shift Leaders (Elton)
- Run Plan
- Opportunistic access for FCAL and CCAL
- Production after access
Monday, March 9
- Last 72 hours
- Issues with delivering full current to A/C. Back up now, but no RF recovery planned/available to recover gradient(?)
- Production running when beam available over the weekend
- Reports/Issues
- Rates instability: "dips" in rate on Friday evening.
- beam off to other halls showed no change to PS rate
- Harp scan taken during dip: analysis by shift crew (HALO:T:gamma) and Hovanes (HALO:T:electron) and Jay's convergence
- Since then the rate has been ~stable
- Multiple processes running to different edge fitting scripts caused fluctuations (Mark D)
- New edge fitting script in use to better monitor edge and width (Mark D)
- Collecting events before run start
- Monitoring: BCAL hot channel and in monitoring--> pedestal calibration needed (Mark)
- something weird is fixed, was a bad ADC channel (Beni)
- gluonraid2 filled up and emptied by hand (David)
- Bad data from CAEN HV and intermittent LINK alarms (Hovanes)
- Rates instability: "dips" in rate on Friday evening.
- Run Plan
- Production
- Longer term
- Hall C down for configuration change 3/13-3/20. Good opportunity for low current TAC run.
Friday, March 6
- Last 24 hours
- Limited beam yesterday morning, followed by Hall access for Solenoid VCL work (Scot/Mark)
- Steady production evening and overnight
- Reports/Issues
- Rates instability: Added additional beam positions to "default" MyaViewer
- No major instability overnight. Still plan to request other Hall beam off and Harp Scan if another "dip" in rate of 30% or more is identified by shift crew.
- Look back at other halls during previous instabilities (Alexandre)
- Fluctuating coherent edge for 45/135 PERP (Naomi)
- ρ and ω yield/trigger (almost) back to nominal values:
- something weird (Beni)
- Updated reference plots: thanks Naomi! Experts please check your e-mails. [4]
- Bad data from CAEN HV and intermittent LINK alarms (Hovanes)
- Rates instability: Added additional beam positions to "default" MyaViewer
- Run Plan (Friday + Weekend)
- May be some additional (short) injector tuning (A2 interception) today to keep Hall A's charge asymmetry down.
- Production
- Longer term
- Hall C down for configuration change 3/13-3/20. Good opportunity for low current TAC run.
Thursday, March 5
- Last 24 hours
- Beam off until Wednesday @ 5 pm for injector work
- FCAL work and restoration
- New PDU installed (Nick)
- Restoration: [5][6] (Nick/Colin)
- Solenoid Vapor Cooled Lead (VCL) temperature drop (Mark)
- Reports/Issues
- Accelerator status GUI (Naomi)
- Tagger magnet NMR signal (Tim)
- Tagger field change to photon energy calibration (Richard)
- Bad data from CAEN HV and intermittent LINK alarms (Hovanes)
- ρ and ω yield/trigger back to nominal values: e.g. Run 72076 (Alex)
- Change of timestamp (Logbook entry?)
- Rates instability (Alexandre)
- Run Plan
- Opportunistic access for solenoid work in parallel with injector tuning (1:00 pm)
- Production
