Difference between revisions of "Run Planning Meeting Notes, Jan 30-Feb 05, 2020"

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# Last 72 hours
 
# Last 72 hours
 
#* No beam since 4pm Friday due to lost vacuum in Hall C transport [https://logbooks.jlab.org/entry/3774952]
 
#* No beam since 4pm Friday due to lost vacuum in Hall C transport [https://logbooks.jlab.org/entry/3774952]
 +
# Changes
 +
#* Change in TPOL readout [https://logbooks.jlab.org/entry/3774906]
 +
#* New DIRC SiPM TDC reference timing [https://logbooks.jlab.org/entry/3774941]
 
# Issues
 
# Issues
 
#* MCC sees our radiator IN & OUT at the same time [https://logbooks.jlab.org/entry/3774793]
 
#* MCC sees our radiator IN & OUT at the same time [https://logbooks.jlab.org/entry/3774793]
 
# Reports
 
# Reports
 +
#* Ratio of rates [https://logbooks.jlab.org/entry/3774762]
 +
#* Vertex plots for empty target [https://logbooks.jlab.org/entry/3774857]
 
# Plans for today
 
# Plans for today
  

Revision as of 18:55, 31 January 2020

Trigger Spreadsheet

Trigger Counter

Wednesday, February 5

  1. Last 24 hours
  2. Issues
  3. Reports
  4. Plans for today

Tuesday, February 4

  1. Last 24 hours
  2. Issues
  3. Reports
  4. Plans for today

Monday, February 3

  1. Last 72 hours
    • No beam since 4pm Friday due to lost vacuum in Hall C transport [1]
  2. Changes
    • Change in TPOL readout [2]
    • New DIRC SiPM TDC reference timing [3]
  3. Issues
    • MCC sees our radiator IN & OUT at the same time [4]
  4. Reports
    • Ratio of rates [5]
    • Vertex plots for empty target [6]
  5. Plans for today

Friday, January 31

  1. Last 24 hours
    • JD70-106 47um diamond alignment till 4pm [7], [8]
    • Ion chambers had to be masked for alignment [9], [10]
    • Production since 4pm (~3.5B triggers)
  2. Issues
    • JD70-105 keeps degrading [11]
    • Periodic holes in DIRC occupancy [12]. Any way to recover without full DAQ reboot?
    • "Disappeared" DIRC SiPM TDC [13] - its timing recalibration is not done yet
    • Oh yes, Great Battle of the Mouse for 3 hrs :) [14]
  3. Reports
    • More on initial PS enhancement [15]
  4. Plans for today
    • We may (or may not) have ~30min for access at 10am
    • Production

Thursday, January 30

  1. Last 24 hours
    • Harp scan (~9am) [16]
    • Alignment of JD70-106 47um diamond (9:30am till 6pm) [17]
    • Production at 350nA (since 6pm). About 2.6B triggers collected.
  2. Issues
    • DIRC N-board lost connectivity for 30 minutes [18]
    • Gamma radiation at the racks [19]
    • Uncoupling of DIRC and FCAL light censors [20],[21]
    • Online monitoring issues [22] and fixed calibrations [23], [24]
  3. Reports
    • Initial PS enhancement Spring 2020 [25]
  4. Plans for today
    • Any more work on diamond alignment?
    • Production