Difference between revisions of "Run Planning Meeting Notes, Jan 23-Jan 29, 2020"

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[https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-11/index.html Trigger Counter]
 
[https://halldweb.jlab.org/data_monitoring/run_statistics/RunPeriod-2019-11/index.html Trigger Counter]
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 +
== Wednesday, January 29 at 08:45 ==
 +
# Last 24 hours
 +
#* Beam chopper amplifier replacement, recovery at 11pm
 +
#* Solenoid recovery [https://logbooks.jlab.org/entry/3773289], [https://logbooks.jlab.org/entry/3773263], reached nominal current shortly after midnight
 +
#* New microscope discriminator thresholds [https://logbooks.jlab.org/entry/3773145], [https://logbooks.jlab.org/entry/3773262], [https://logbooks.jlab.org/entry/3773302]
 +
# Issues
 +
#* DIRC was off [https://logbooks.jlab.org/entry/3773063]
 +
# Reports
 +
#* Noisy tagger hits solved [https://logbooks.jlab.org/entry/3772732]
 +
# Plans for today
 +
#* Harp scan
 +
#* Production
 +
#* Diamond alignment?
 +
#* Hall B is down for 3 days for installation starting Thursday morning, possibility for TAC run with our own slit?
 +
 +
== Tuesday, January 28 at 08:45 ==
 +
# Last 24 hours
 +
#* First day of production with 350nA beam current!
 +
#* PS timing window reduced [https://logbooks.jlab.org/entry/3772296]
 +
#* 11:30 Solenoid trip [https://logbooks.jlab.org/entry/3772384], [https://logbooks.jlab.org/entry/3772377], [https://logbooks.jlab.org/entry/3772407], recovered after reset of cryo compressor
 +
#* 03:50 Solenoid trip [https://logbooks.jlab.org/entry/3772444], [https://logbooks.jlab.org/entry/3772466], instability on power supply, investigation  ongoing
 +
#* Issues with chopper → almost no beam loss
 +
# Issues
 +
#* TOF point disappearance after window shift [https://logbooks.jlab.org/entry/3772058], [https://logbooks.jlab.org/entry/3772122]
 +
#* Missing DIRC blocks [https://logbooks.jlab.org/entry/3772139]
 +
#* Event size increase due to CCal [https://logbooks.jlab.org/entry/3772097]
 +
# Reports
 +
#* Rates  [https://logbooks.jlab.org/entry/3772535] (Alexandre)
 +
#* Trigger rates and dead time at 350nA [https://logbooks.jlab.org/entry/3772277] (Sasha)
 +
#* PS multiplicity and timing [https://logbooks.jlab.org/entry/3772283] (Sasha)
 +
# Plans for today
 +
#* Work on RF instability (~hours) [https://logbooks.jlab.org/entry/3772585]
 +
#* Start diamond alignment afterwards
 +
 +
== Monday, January 27 at 08:45 ==
 +
# Last 72 hours
 +
#* Mostly Production with 250nA beam current
 +
#* Empty target runs with 250nA (71533) and 350nA (71532) on Friday
 +
#* Harp Scan on Sunday [https://logbooks.jlab.org/entry/3771382]
 +
#* CCal Anode Tests on Sunday evening (Sasha) [https://logbooks.jlab.org/entry/3771638]
 +
# Issues
 +
#* TOF HV [https://logbooks.jlab.org/entry/3770734], [https://logbooks.jlab.org/entry/3770782]
 +
#* Coherent edge at 0deg [https://logbooks.jlab.org/entry/3771806]
 +
#* FDC HV IOC [https://logbooks.jlab.org/entry/3771662]
 +
# Reports
 +
#* Rates: [https://logbooks.jlab.org/entry/3771890]
 +
#* Energy: [https://logbooks.jlab.org/entry/3771948]
 +
#* TPOL Reference and Converter [https://logbooks.jlab.org/entry/3770801]
 +
# Tasks for the today
 +
#* Increase beam current to 350nA
 +
#** Switch off low-energy TagH counters (new EPICS configuration file) [https://logbooks.jlab.org/entry/3771630]
 +
#* No beam study / RF recovery planned
 +
#* Diamond alignment later this week
 +
 +
== Friday, January 24 at 08:45 ==
 +
# Last 24 hours
 +
#* Production with 250nA beam current
 +
#* Beam current and position [https://logbooks.jlab.org/entry/3769591], [https://logbooks.jlab.org/entry/3769669]
 +
# Issues
 +
#* Frozen total PS/FCal rates fixed (Hovanes)
 +
#* Goniometer image missing  [https://logbooks.jlab.org/entry/3769462]
 +
# Reports:
 +
#* Updated sigmas for harp fitting tool [https://logbooks.jlab.org/entry/3768981]
 +
#* [https://logbooks.jlab.org/entry/3769629 Monitoring Plots]
 +
#* HOSS Training (David)
 +
# Tasks for the today and the weekend:
 +
#* Empty target run after the meeting if beam is taken away
 +
#* PS Timing Studies (Friday)?
 +
#* Production
 +
#* CCAL anode study (Saturday)?
 +
# Monday:
 +
#* Increase beam current to 350nA
  
 
== Thursday, January 23 at 08:45 ==  
 
== Thursday, January 23 at 08:45 ==  
 
# Last 24 hours
 
# Last 24 hours
 
#* Various accelerator problems: Arc PS, Injector, Cavity HV [https://logbooks.jlab.org/entry/3768576]
 
#* Various accelerator problems: Arc PS, Injector, Cavity HV [https://logbooks.jlab.org/entry/3768576]
−
#* Check-out of PS, TagM, TagH, ST after timing window shift [https://logbooks.jlab.org/entry/3768077]
+
#* Check-out of PS, TagM, TagH, ST after timing window shift [https://logbooks.jlab.org/entry/3768077], [https://logbooks.jlab.org/entry/3768695]
 
#* Harp Scan [https://logbooks.jlab.org/entry/3768676]
 
#* Harp Scan [https://logbooks.jlab.org/entry/3768676]
 
#* Continue production with 250nA beam current
 
#* Continue production with 250nA beam current
 
# Issues
 
# Issues
 
#* Timing shifts after firmware update: [https://logbooks.jlab.org/entry/3768620]
 
#* Timing shifts after firmware update: [https://logbooks.jlab.org/entry/3768620]
−
#* PS Timing Window? [https://logbooks.jlab.org/entry/3768090]
+
#* PS Timing Window? [https://logbooks.jlab.org/entry/3768090], [https://logbooks.jlab.org/entry/3768695]
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#* CDC inner region [https://logbooks.jlab.org/entry/3768687], [https://logbooks.jlab.org/entry/3768705]
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#* DIRC@Rootspy glitches [https://logbooks.jlab.org/entry/3768792],[https://logbooks.jlab.org/entry/3768823]
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#* Frozen PS/Main trigger rates [https://logbooks.jlab.org/entry/3768877], [https://logbooks.jlab.org/entry/3768889]
 +
#* Update reference plots! [https://logbooks.jlab.org/entry/3768932], [https://logbooks.jlab.org/entry/3768942]
 +
# Reports:
 +
#* Transmission [https://logbooks.jlab.org/entry/3768906]
 
# Tasks for today
 
# Tasks for today
 
#* Production
 
#* Production
 
#* DOE tour in Hall B/C (8:00 - 12:00?)
 
#* DOE tour in Hall B/C (8:00 - 12:00?)
 +
#* Spin dance (12:00?)
 
# Plan for later
 
# Plan for later
−
#* SC Trigger?
+
#* CCAL anode study?
 +
#* Alternative diamond alignment
 +
#* ST trigger?

Latest revision as of 16:54, 28 February 2020

Trigger Spreadsheet

Trigger Counter

Wednesday, January 29 at 08:45

  1. Last 24 hours
    • Beam chopper amplifier replacement, recovery at 11pm
    • Solenoid recovery [1], [2], reached nominal current shortly after midnight
    • New microscope discriminator thresholds [3], [4], [5]
  2. Issues
    • DIRC was off [6]
  3. Reports
    • Noisy tagger hits solved [7]
  4. Plans for today
    • Harp scan
    • Production
    • Diamond alignment?
    • Hall B is down for 3 days for installation starting Thursday morning, possibility for TAC run with our own slit?

Tuesday, January 28 at 08:45

  1. Last 24 hours
    • First day of production with 350nA beam current!
    • PS timing window reduced [8]
    • 11:30 Solenoid trip [9], [10], [11], recovered after reset of cryo compressor
    • 03:50 Solenoid trip [12], [13], instability on power supply, investigation ongoing
    • Issues with chopper → almost no beam loss
  2. Issues
    • TOF point disappearance after window shift [14], [15]
    • Missing DIRC blocks [16]
    • Event size increase due to CCal [17]
  3. Reports
    • Rates [18] (Alexandre)
    • Trigger rates and dead time at 350nA [19] (Sasha)
    • PS multiplicity and timing [20] (Sasha)
  4. Plans for today
    • Work on RF instability (~hours) [21]
    • Start diamond alignment afterwards

Monday, January 27 at 08:45

  1. Last 72 hours
    • Mostly Production with 250nA beam current
    • Empty target runs with 250nA (71533) and 350nA (71532) on Friday
    • Harp Scan on Sunday [22]
    • CCal Anode Tests on Sunday evening (Sasha) [23]
  2. Issues
  3. Reports
  4. Tasks for the today
    • Increase beam current to 350nA
      • Switch off low-energy TagH counters (new EPICS configuration file) [31]
    • No beam study / RF recovery planned
    • Diamond alignment later this week

Friday, January 24 at 08:45

  1. Last 24 hours
    • Production with 250nA beam current
    • Beam current and position [32], [33]
  2. Issues
    • Frozen total PS/FCal rates fixed (Hovanes)
    • Goniometer image missing [34]
  3. Reports:
  4. Tasks for the today and the weekend:
    • Empty target run after the meeting if beam is taken away
    • PS Timing Studies (Friday)?
    • Production
    • CCAL anode study (Saturday)?
  5. Monday:
    • Increase beam current to 350nA

Thursday, January 23 at 08:45

  1. Last 24 hours
    • Various accelerator problems: Arc PS, Injector, Cavity HV [36]
    • Check-out of PS, TagM, TagH, ST after timing window shift [37], [38]
    • Harp Scan [39]
    • Continue production with 250nA beam current
  2. Issues
  3. Reports:
  4. Tasks for today
    • Production
    • DOE tour in Hall B/C (8:00 - 12:00?)
    • Spin dance (12:00?)
  5. Plan for later
    • CCAL anode study?
    • Alternative diamond alignment
    • ST trigger?
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