Run Planning Meeting Notes, September 23 - September 29, 2021

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Thursday, September 23

1. In last 24 hours:
   • Be target, 10-4 Radiator, ~11M triggers.
   • Early Riser summary: https://logbooks.jlab.org/entry/3910318 (4am to 10am),
   • Owl summary: https://logbooks.jlab.org/entry/3910862 (10pm to 4am)
   • Swing summary: https://logbooks.jlab.org/entry/3910670 (4pm-10am)
   • Day summary: https://logbooks.jlab.org/entry/3910458 (10am to 4pm),
   • FCAL pi0 calibration and HV tuning started yesterday at 6 am, https://logbooks.jlab.org/entry/3910786
     • With PMT HVs, gains, and pedestals of run 73065
     • Then, we subtracted 6V to all PMT HV resulting in a reduction of roughly 5% on all gains
   • Sergey made a rapid access to the experimental hall to power cycle NIM crate
   • Beni changed the TOF HV a couple of times eg https://logbooks.jlab.org/entry/3910611
   • Sergey did a BCAL pedestal runs,
   • Sean time calibration https://logbooks.jlab.org/entry/3910464, https://logbooks.jlab.org/entry/3910484
   • Sasha adjusted tagh HV
2. Issues
   • Beni did look at the bleedthrough issue by analyzing timing for different run condition https://logbooks.jlab.org/entry/3910680, https://logbooks.jlab.org/entry/3910800
   • After entry to the experimental MCC struggle for almost one hour to send us beam
   • Sean time calibration pointed to tagm issues that Richard will address
   • FCAL issues, fADC died screwing the FCAL pi0 calibration run see report diphoton invariant mass distribution per ring https://halldweb.jlab.org/primexd/phase2/fcal2021_method0_period_2-g1/
   • Full monitoring system (resolved ): back online. Rootspy, twice a day email feed.
   • Hall Camera expected to come back online.
3. Plan for the day
   • tagm studies by Richard
   • FDC straight track studies by Lubomir

Friday, September 24

1. In last 24 hours:
   • Early Riser summary:
   • Owl summary: https://logbooks.jlab.org/entry/3911625
   • Swing summary: https://logbooks.jlab.org/entry/3911415
   • Day summary: https://logbooks.jlab.org/entry/3911095
   • Richard looked at the missing tagm channel issues https://logbooks.jlab.org/entry/3911033
   • Rapid access between 1pm and 4pm
     • FCAL bases changed (Mark) https://logbooks.jlab.org/entry/3911303
     • FCAL FADC changed (Sasha) https://logbooks.jlab.org/entry/3911510
     • Profiler removed and surveyed by RadCon (Tim)
     • Be target survey/align (Chris) https://logbooks.jlab.org/entry/3911226
2. Issues
3. Plan