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

From GlueXWiki
Jump to: navigation, search
(Wednesday, February 12)
(Wednesday, February 12)
Line 5: Line 5:
 
#* Recalibration of Hall D ion chamber for AMO (see reports)
 
#* Recalibration of Hall D ion chamber for AMO (see reports)
 
#* 5.1B evts collected
 
#* 5.1B evts collected
#* No beam since ~08:00, Beni in hall to work on CDC boards
+
#* No beam since ~08:00
 +
#** Hall currently in controlled access
 +
#** Beni went in hall to work on CDC boards
 
# Issues
 
# Issues
 
#* During owl shift: CDC: channel H:24 tripping -> Turned it off and ramped it up again
 
#* During owl shift: CDC: channel H:24 tripping -> Turned it off and ramped it up again

Revision as of 09:27, 12 February 2020

Wednesday, February 12

  1. Last 24 hours
    • Production runs @350nA
    • Harp scans
    • Recalibration 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 in 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
    • 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