Difference between revisions of "Run Planning Meeting Notes, Mar 14 - Mar 20, 2019"

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* [https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-01/index.html Trigger counter]
 
* [https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-01/index.html Trigger counter]
 
* To join via a Web Browser, go to the page [https://bluejeans.com/660743227 https://bluejeans.com/660743227]
 
* To join via a Web Browser, go to the page [https://bluejeans.com/660743227 https://bluejeans.com/660743227]
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== Wednesday, Mar. 20 at 08:45 ==
 +
# Past 24 hours:
 +
#* TAC runs finished at 12:20
 +
#* Empty target running proceeded through the evening
 +
# Issues
 +
#* [https://logbooks.jlab.org/entry/3669963 Low TDC occupancies in BCAL upstream sector 1.][https://logbooks.jlab.org/entry/3670093 Follow up from Elton]
 +
# Reports
 +
#*
 +
#Today
 +
#* RF recovery today. Beam likely back back early swing shift.
 +
#* Refilling target today.
 +
#Run Plan
 +
#* Tentative plan: run with target full until Sunday
 +
#* Empty target Sunday afternoon
 +
#* Return to regular schedule of beam studies on Monday and RF recovery on Tuesday.
 +
#* Richard takes over as RC this afternoon. Thanks to everyone for the help, and thanks to Beni for the pastries!
 +
 +
== Tuesday, Mar. 19 at 08:45 ==
 +
# Past 24 hours:
 +
#* Accelerator ops calibrated BPMs in the morning
 +
#* Preparation for TAC run began after lunch
 +
#* TAC runs started around 6pm last night and continue (2 hours long, 10M events each)
 +
# Issues
 +
#* Hovanes checked the performance of the Active Collimator at small current using Beam profiler. Richard was called in to help. It appeared that pedestal subtraction was not disabled when the active collimator gains were changed to 10^-11.
 +
# Reports
 +
#* [https://logbooks.jlab.org/entry/3669708 Beam energy monitoring] (Alexandre)
 +
#* [https://logbooks.jlab.org/entry/3669644 TAC run conditions] (Sasha)
 +
#Today
 +
#* The accelerator will go down for a couple hours to recover some magnets. This will begin no later than 2pm. The most likely time is after Hall A completes a Compton run around 10-11am, but they do not want to interrupt our TAC runs. This may be a good time to switch from TAC run conditions to production conditions.
 +
#Run Plan
 +
#* RF Recovery tomorrow. Who needs an access?
 +
#** Do we want to refill target? Or are more statistics needed on empty target?
 +
#* Hall A goes down tomorrow so we will move to their slit for the rest of the run.
 +
 +
== Monday, Mar. 18 at 08:45 ==
 +
# Past 48 hours:
 +
#* Production running
 +
#* [https://logbooks.jlab.org/entry/3669217 Emptied target at 3:30pm Sunday]
 +
#* [https://logbooks.jlab.org/entry/3669252 Attempted TAC run but beam position was too unstable][https://logbooks.jlab.org/entry/3669283].
 +
# Issues
 +
#* [https://logbooks.jlab.org/entry/3668424 Short access Friday evening due to PS/ST problems. Vlad saw 2 of these alarms yesterday evening.]
 +
#* [https://logbooks.jlab.org/entry/3668691 Bubbler in gas shed needs to be filled]
 +
#* [https://logbooks.jlab.org/entry/3669341 Target temperature continues to rise over 100K.]
 +
# Reports
 +
#* Daily FCAL update
 +
#* Daily compcal RF timing discussion
 +
#Today
 +
#* Halls B and D only halls at 5 pass. We're both at low current and MCC can not see the beam in the machine, only when it enters our halls. Beam trips may take a little longer to recover, so they asked for us to be patient.
 +
#* MCC looking into noisy BPMs (calibration issue?). They're looking into this now.
 +
 +
#Run Plan
 +
#* Empty target running with standard production setup.
 +
#* What else can be done about the beam position to ensure a successful TAC run?
 +
 +
== Friday, Mar. 15 at 08:45 ==
 +
# Past 24 hours:
 +
#* Short access after meeting
 +
##* [https://logbooks.jlab.org/entry/3667744 Beni/Tim: adjust rotometer flow to 1 L/hr]
 +
##* Sergey and Hovanes: DAQ
 +
##* [https://logbooks.jlab.org/entry/3667703 logbook entry Chris, Colin, Nick, Sasha: FCAL VME crate 11 power supply/ fan issue]
 +
#* gluon01 is back with a new kernel and graphics driver
 +
#* Production running
 +
# Issues
 +
#* Problematic FCAL channels near beamline
 +
##* One base lost connection and was recovered by power cycling the power supply. This happens 1-2 times per week. Right now I (Colin) am the only one capable of doing this. Need to train more people how to spot and fix these errors. It is a relatively simple process, but one that should not be left to the shift crew.
 +
##* [https://logbooks.jlab.org/entry/3667944 One base lost HV near beam line.][https://logbooks.jlab.org/entry/3668146 Follow up.] Access to replace after morning meeting. Friendly reminder: please do not call Colin at night about base problems. Emails and texts are fine.
 +
#* [https://logbooks.jlab.org/entry/3668020 Monitoring problem with file/DB management. Usually does not happen]
 +
#* David and Thomas looking into CCAL pedestal Rootspy issue. Appears to be a Rootspy display issue and Dave will investigate more next week.
 +
# Reports
 +
#* [https://logbooks.jlab.org/entry/3667917 FCAL scalers since LHe target switchover (follow up from disconnected crates)]
 +
#* [https://logbooks.jlab.org/entry/3667806 Topic of the week: CCAL shower time - RF time] (Beni)
 +
# Today:
 +
#* Production: 200nA, Al 10<sup>-4</sup>
 +
#Run Plan
 +
#* Production running
 +
#* TAC run
 +
#* Hall A performing beam modulation studies Tuesday owl shift. Will cause 1 MeV fluctuations in beam energy. They will do a test Monday morning from 8-9am.
  
 
== Thursday, Mar. 14 at 08:45 ==
 
== Thursday, Mar. 14 at 08:45 ==
Line 14: Line 92:
 
# Issues
 
# Issues
 
#* [https://logbooks.jlab.org/entry/3667383 RootSpy Problem with CCAL Pedestal Histograms]  
 
#* [https://logbooks.jlab.org/entry/3667383 RootSpy Problem with CCAL Pedestal Histograms]  
#* [https://logbooks.jlab.org/entry/3667375 Hall D y position variation fro Jay]
+
#* Hall D y position variation from Jay. Beam position variation not related to dispersion.[https://logbooks.jlab.org/entry/3667375 1][https://logbooks.jlab.org/entry/3667657 2]
 +
#* [https://logbooks.jlab.org/entry/3667542 Console 1 frozen. Who knows how to reboot?]  
 
# Reports
 
# Reports
 +
#* [https://logbooks.jlab.org/entry/3667615 Rate monitoring] (Alexandre)
 
#* [https://logbooks.jlab.org/entry/3667347 FCAL shift in simulation] (Liping)
 
#* [https://logbooks.jlab.org/entry/3667347 FCAL shift in simulation] (Liping)
 +
#* [https://logbooks.jlab.org/entry/3667626 Beni really wanted to conitune our discussion yesterday on histogram binning] (Beni)
 
# Today:
 
# Today:
 
#* Production: 200nA, Al 10<sup>-4</sup>
 
#* Production: 200nA, Al 10<sup>-4</sup>
 
#Run Plan
 
#Run Plan
 
#* Production running  
 
#* Production running  
#* TAC run on Sunday when Hall C goes down. They will remain down until Tuesday. Hall A goes down Thursday.
+
#* Hall C goes down Sunday at 4pm. Postpone TAC run until Monday unless there are objections.
#*Empty target runs after TAC
+
#** There are parity quality beam testes (PQB) scheduled for Hall A Monday and Tuesday, but this should not affect the beam delivered to us.
#* Parity Quality Beam (PQB) tests scheduled for Monday and Tuesday. We will still get physics quality beam.
+
#* RF Recovery scheduled for Wednesday
#* RF Recovery Wednesday? Thursday?
+

Latest revision as of 07:22, 21 March 2019


Wednesday, Mar. 20 at 08:45

  1. Past 24 hours:
    • TAC runs finished at 12:20
    • Empty target running proceeded through the evening
  2. Issues
  3. Reports
  4. Today
    • RF recovery today. Beam likely back back early swing shift.
    • Refilling target today.
  5. Run Plan
    • Tentative plan: run with target full until Sunday
    • Empty target Sunday afternoon
    • Return to regular schedule of beam studies on Monday and RF recovery on Tuesday.
    • Richard takes over as RC this afternoon. Thanks to everyone for the help, and thanks to Beni for the pastries!

Tuesday, Mar. 19 at 08:45

  1. Past 24 hours:
    • Accelerator ops calibrated BPMs in the morning
    • Preparation for TAC run began after lunch
    • TAC runs started around 6pm last night and continue (2 hours long, 10M events each)
  2. Issues
    • Hovanes checked the performance of the Active Collimator at small current using Beam profiler. Richard was called in to help. It appeared that pedestal subtraction was not disabled when the active collimator gains were changed to 10^-11.
  3. Reports
  4. Today
    • The accelerator will go down for a couple hours to recover some magnets. This will begin no later than 2pm. The most likely time is after Hall A completes a Compton run around 10-11am, but they do not want to interrupt our TAC runs. This may be a good time to switch from TAC run conditions to production conditions.
  5. Run Plan
    • RF Recovery tomorrow. Who needs an access?
      • Do we want to refill target? Or are more statistics needed on empty target?
    • Hall A goes down tomorrow so we will move to their slit for the rest of the run.

Monday, Mar. 18 at 08:45

  1. Past 48 hours:
  2. Issues
  3. Reports
    • Daily FCAL update
    • Daily compcal RF timing discussion
  4. Today
    • Halls B and D only halls at 5 pass. We're both at low current and MCC can not see the beam in the machine, only when it enters our halls. Beam trips may take a little longer to recover, so they asked for us to be patient.
    • MCC looking into noisy BPMs (calibration issue?). They're looking into this now.
  1. Run Plan
    • Empty target running with standard production setup.
    • What else can be done about the beam position to ensure a successful TAC run?

Friday, Mar. 15 at 08:45

  1. Past 24 hours:
    • Short access after meeting
    • gluon01 is back with a new kernel and graphics driver
    • Production running
  2. Issues
    • Problematic FCAL channels near beamline
      • One base lost connection and was recovered by power cycling the power supply. This happens 1-2 times per week. Right now I (Colin) am the only one capable of doing this. Need to train more people how to spot and fix these errors. It is a relatively simple process, but one that should not be left to the shift crew.
      • One base lost HV near beam line.Follow up. Access to replace after morning meeting. Friendly reminder: please do not call Colin at night about base problems. Emails and texts are fine.
  3. Reports
  4. Today:
    • Production: 200nA, Al 10-4
  5. Run Plan
    • Production running
    • TAC run
    • Hall A performing beam modulation studies Tuesday owl shift. Will cause 1 MeV fluctuations in beam energy. They will do a test Monday morning from 8-9am.

Thursday, Mar. 14 at 08:45

  1. Past 24 hours:
    • Production running
  2. Issues
  3. Reports
  4. Today:
    • Production: 200nA, Al 10-4
  5. Run Plan
    • Production running
    • Hall C goes down Sunday at 4pm. Postpone TAC run until Monday unless there are objections.
      • There are parity quality beam testes (PQB) scheduled for Hall A Monday and Tuesday, but this should not affect the beam delivered to us.
    • RF Recovery scheduled for Wednesday