October 27, 2023

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= RC Meeting Information =https://hallcweb.jlab.org/wiki/index.php?title=October_26,_2023&action=edit

RC Daily Meetings are at 11:00 (am) via Zoom and in person in the counting house meeting room (2nd floor)

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Useful Links

Past 24 hours

Current Status

Current Run Plan

  • Continue production
  • Half wave plane change at 11 a.m.
  • Moller measurement starting 8:30 a.m., last Friday for the day shift.

Issues

  • Thanks to Bob's effort, the scalar is now displaying in between the runs. This is a significant time-saver especially during the part of the run plan when the PS needs to be changed every 20 minutes. (Thanks Bob)
  • DAQ seems to be able to handle 20% higher right, LD2 runs are currently running at 12 uA (instead of 10 uA from the previous day.)
  • 8pm, DAQ crashed in the middle of the run, Alex was contacted to the restoration. (Near future protocol on DAQ issues, Bob is the on-call for the DAQ issues).
  • 10 am, HMS Colimator GUI got stuck, reset procedure was attempted, and hall access was requested to manually reset the IOC: https://logbooks.jlab.org/entry/4209134
  • 23 pm, The HMS Q3 software interlock tripped, and lost current, the experience shifter was able to clear the interlock and resume production: https://logbooks.jlab.org/entry/4209643

A few new/raised concerns:

1. During the DAQ Coda configuration changes, the instruction is very unclear if a "RESET" procedure is needed. We need to make the wiki instructions clear on this part. Because of this ambiguity, we potentially might have lost 1 good run on this. 2. Part of the run plan requires changing setting, and beam current, frequently, as a result, the run sheets are not completely filled. 3. DAQ crashes during the run-ending process, in this case, the Run End log is not generated. It is not clear how to keep records for such runs

Special Studies

Sweeper off test results:

Planned Accesses to the Hall Today

Planned Accelerator Configuration Changes

  • Pass change in Hall A on the 31st

Special Requests

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