Difference between revisions of "Run Planning Meeting Notes, Feb 06-Feb 12, 2020"

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==  Wednesday, February 12 ==
 +
# Last 24 hours
 +
#* Production runs @350nA
 +
#* Harp scans
 +
#* Re-calibration of Hall D ion chamber for AMO (see reports)
 +
#* 5.1B evts collected
 +
#* No beam since ~08:00
 +
#** Hall currently in controlled access
 +
#** Beni went into hall to work on CDC boards
 +
# Issues
 +
#* During owl shift: CDC: channel H:24 tripping -> Turned it off and ramped it up again
 +
#*CDC hot channel[https://logbooks.jlab.org/entry/3781562] (-> Meant to discuss yesterday, but forgot to include into agenda)
 +
#* Noisy channels in CDC [https://logbooks.jlab.org/entry/3781916]
 +
#* FDC Occupancy x=17 [https://logbooks.jlab.org/entry/3781951]
 +
# Reports
 +
#* Harp scans: [https://logbooks.jlab.org/entry/3781884 5C11], [https://logbooks.jlab.org/entry/3781886 5C11B], [https://logbooks.jlab.org/entry/3781897 HALO:T:electron:tag]
 +
#* Re-calibration Hall D ion chamber [https://logbooks.jlab.org/entry/3782047], [https://logbooks.jlab.org/entry/3782050]
 +
# Plans for today
 +
#* When beam is back: Production runs @350nA
 +
# RC weekly report (coming soon)
 +
# Acknowledgements: Thanks to the hall D crew (staff, operators, shift takers, ..), MCC and RadCon
 +
 +
==  Tuesday, February 11 ==
 +
# Last 24 hours
 +
#* Beam taken away at 08:30
 +
#** Work in hall
 +
#** Walkthrough
 +
#* Beam was availabe at 12:30 -> Continued production runs @350nA
 +
#* 3.8B evts collected
 +
 +
# Issues
 +
#* FDCHit Wire time ([https://logbooks.jlab.org/entry/3781480]) -> Observed only in runs: 71774-71777
 +
 +
# Reports
 +
#* DIRC water leak ([https://logbooks.jlab.org/entry/3781229])
 +
#* PS Enhancement Spring 2020 ([https://logbooks.jlab.org/entry/3781220])
 +
# Plans for today
 +
#* Harp scans
 +
#* Production runs @350nA
 +
#* Wednesday during day shift: Polarization change for Hall A ([https://cebaf.jlab.org/files/ops/accboard/])
 +
 +
==  Monday, February 10 ==
 +
# Last 72 hours
 +
#* Friday
 +
#** Beam sent to hall around 08:30
 +
#** Harp scans
 +
#** Prodcution runs @350nA until 23:50 -> no beam until the next morning
 +
#* Saturday
 +
#** Beam sent to hall around 12:00
 +
#** Harp scans (requested by MCC)
 +
#** Prodcution runs @350nA
 +
#** Found high rates in high photon tagger counter (see issues)
 +
#** Had to request beam tune -> Unusal tagger rates + ION chamber trips (see: [https://logbooks.jlab.org/entry/3780300])
 +
#* Sunday
 +
#** Prodcution runs @350nA
 +
#** Harp scans
 +
#* Collected ~6.5B evts over the weekend
 +
# Issues
 +
#* Variation in PS and main trigger rates over the weekend ([https://logbooks.jlab.org/entry/3779952],[https://logbooks.jlab.org/entry/3780554],[https://logbooks.jlab.org/entry/3780851])
 +
#* High rates in high photon tagger counters ([https://logbooks.jlab.org/entry/3780065 energy distribution], [https://logbooks.jlab.org/entry/3780267 harp scan electron], [https://logbooks.jlab.org/entry/3780269 harp scan gamma], [https://logbooks.jlab.org/entry/3780295 epics after tune])
 +
# Reports
 +
#* Coherent edge postion vs time [https://logbooks.jlab.org/entry/3779622]
 +
#* Initial PS enhancement [https://logbooks.jlab.org/entry/3779307], [https://logbooks.jlab.org/files/2020/02/3779307/slopeFit_spring2020.pdf]
 +
#* Beam downtime due to ioc (see:  [https://cebaf.jlab.org/dtm/open-events?event_id=6079] for details)
 +
#* Harp scan results:
 +
#** Friday: [https://logbooks.jlab.org/entry/3779321 5C11], [https://logbooks.jlab.org/entry/3779324 5C11B],[https://logbooks.jlab.org/entry/3779344 HALO:T:electron]
 +
#** Saturday: [https://logbooks.jlab.org/entry/3780007 5C11],[https://logbooks.jlab.org/entry/3780008 5C11B], [https://logbooks.jlab.org/entry/3780014 HALO:T:electron]
 +
#** Sunday: [https://logbooks.jlab.org/entry/3780509 5C11], [https://logbooks.jlab.org/entry/3780511 5C11B], [https://logbooks.jlab.org/entry/3780520 TAGH:A:3]
 +
# Plans for today
 +
#* Beam off, starting 08:30
 +
#* Continue production runs once beam is back
 +
 +
==  Friday, February 7 ==
 +
# Last 24 hours
 +
#* Production runs @350nA until 14:00
 +
#* Hovanes worked on diamond position for JD70-105 0/90 (see reports)
 +
#* Continued data taking until 18:15
 +
#* Connection issues with rocDIRC -> Bill, Sergey and network expert on call had to work until late night to fix the problem
 +
#* Accelerator crew was having network issues too
 +
#* Hall went into beam permit around 1:15am
 +
#* Accelerator crew having trouble with control system (see issues)
 +
# Issues
 +
#* DIRC cart leaking (see: [https://logbooks.jlab.org/entry/3779122])
 +
#* Problems with 1L12 and 2L24 (see: [https://logbooks.jlab.org/files/2020/02/3779188/Screenshot%20from%202020-02-07%2004-06-43.png])
 +
#* Accelerator site having problems with IOCs in alarm handler (see: [https://cebaf.jlab.org/dtm/open-events?event_id=6073])
 +
# Reports
 +
#* New diamond position for JD70-105 0/90 (see: [https://logbooks.jlab.org/entry/3778980],[https://logbooks.jlab.org/entry/3779032])
 +
#* Communication problems with rocDIRC (see: [https://logbooks.jlab.org/entry/3779047],[https://logbooks.jlab.org/entry/3779095],[https://logbooks.jlab.org/entry/3779158])
 +
#* Network problems on accelerator site (see: [https://logbooks.jlab.org/entry/3779159],[https://logbooks.jlab.org/entry/3779161])
 +
# Plans for today
 +
#* Production runs
 +
#* Access to hall ?
 +
# Plan(s) for next week
 +
#* Monday: Hall A will change setup for pol. meas. -> No beam from ~ 8:00 on (see: [https://cebaf.jlab.org/files/ops/accboard/])
 +
# No meeting this weekend -> Next meeting: Monday, Feb 10
 +
 
==  Thursday, February 6 ==  
 
==  Thursday, February 6 ==  
 
# Last 24 hours
 
# Last 24 hours
Line 4: Line 100:
 
#* Harp scans (see reports for details)
 
#* Harp scans (see reports for details)
 
#* Production runs @ 350nA
 
#* Production runs @ 350nA
 +
#* Collected 1.8B events
 
# Issues
 
# Issues
 
#* DIRC temperature alarm (resolved, see: [https://logbooks.jlab.org/entry/3778666])
 
#* DIRC temperature alarm (resolved, see: [https://logbooks.jlab.org/entry/3778666])
Line 12: Line 109:
 
#* Missing optical links in DIRC (see: [https://logbooks.jlab.org/entry/3778193])
 
#* Missing optical links in DIRC (see: [https://logbooks.jlab.org/entry/3778193])
 
# Plans for today
 
# Plans for today
 +
#* Production runs

Latest revision as of 09:39, 12 February 2020

Wednesday, February 12

  1. Last 24 hours
    • Production runs @350nA
    • Harp scans
    • Re-calibration of Hall D ion chamber for AMO (see reports)
    • 5.1B evts collected
    • No beam since ~08:00
      • Hall currently in controlled access
      • Beni went into hall to work on CDC boards
  2. Issues
    • During owl shift: CDC: channel H:24 tripping -> Turned it off and ramped it up again
    • CDC hot channel[1] (-> Meant to discuss yesterday, but forgot to include into agenda)
    • Noisy channels in CDC [2]
    • FDC Occupancy x=17 [3]
  3. Reports
  4. Plans for today
    • When beam is back: Production runs @350nA
  5. RC weekly report (coming soon)
  6. Acknowledgements: Thanks to the hall D crew (staff, operators, shift takers, ..), MCC and RadCon

Tuesday, February 11

  1. Last 24 hours
    • Beam taken away at 08:30
      • Work in hall
      • Walkthrough
    • Beam was availabe at 12:30 -> Continued production runs @350nA
    • 3.8B evts collected
  1. Issues
    • FDCHit Wire time ([6]) -> Observed only in runs: 71774-71777
  1. Reports
    • DIRC water leak ([7])
    • PS Enhancement Spring 2020 ([8])
  2. Plans for today
    • Harp scans
    • Production runs @350nA
    • Wednesday during day shift: Polarization change for Hall A ([9])

Monday, February 10

  1. Last 72 hours
    • Friday
      • Beam sent to hall around 08:30
      • Harp scans
      • Prodcution runs @350nA until 23:50 -> no beam until the next morning
    • Saturday
      • Beam sent to hall around 12:00
      • Harp scans (requested by MCC)
      • Prodcution runs @350nA
      • Found high rates in high photon tagger counter (see issues)
      • Had to request beam tune -> Unusal tagger rates + ION chamber trips (see: [10])
    • Sunday
      • Prodcution runs @350nA
      • Harp scans
    • Collected ~6.5B evts over the weekend
  2. Issues
  3. Reports
  4. Plans for today
    • Beam off, starting 08:30
    • Continue production runs once beam is back

Friday, February 7

  1. Last 24 hours
    • Production runs @350nA until 14:00
    • Hovanes worked on diamond position for JD70-105 0/90 (see reports)
    • Continued data taking until 18:15
    • Connection issues with rocDIRC -> Bill, Sergey and network expert on call had to work until late night to fix the problem
    • Accelerator crew was having network issues too
    • Hall went into beam permit around 1:15am
    • Accelerator crew having trouble with control system (see issues)
  2. Issues
    • DIRC cart leaking (see: [18])
    • Problems with 1L12 and 2L24 (see: [19])
    • Accelerator site having problems with IOCs in alarm handler (see: [20])
  3. Reports
    • New diamond position for JD70-105 0/90 (see: [21],[22])
    • Communication problems with rocDIRC (see: [23],[24],[25])
    • Network problems on accelerator site (see: [26],[27])
  4. Plans for today
    • Production runs
    • Access to hall ?
  5. Plan(s) for next week
    • Monday: Hall A will change setup for pol. meas. -> No beam from ~ 8:00 on (see: [28])
  6. No meeting this weekend -> Next meeting: Monday, Feb 10

Thursday, February 6

  1. Last 24 hours
    • Beam was sent to hall at 19:51
    • Harp scans (see reports for details)
    • Production runs @ 350nA
    • Collected 1.8B events
  2. Issues
    • DIRC temperature alarm (resolved, see: [29])
    • Swing shift reported coherent peak for JD70-105 0/90 PARA to be unusually wide -> No such observations for other settings
  3. Reports
  4. Plans for today
    • Production runs
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