[Halla_running] [New Logentry] RC Report for 29-Jun-2025

[cisbani at jlab.org]

Logentry Text:
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Key updates for the past 24h (Sat Day+Swing and Sun Owl):
- HCAL gain factors tuning, apply to run >=4993 
- ECal cooling pump pressure drops around beginning and end of OWL shift, required heater controls power cycle
- During OWL, Beam down for about 1 h; in the meantime, also DAQ had some issues after run stop, ECal/HCal crates rebooted/power cycled
- Production runs ongoing at 20 uA beam current
- Some troubles to get DAQ back after end of runs during SWING and OWL shifts, required DAQ expert involvement

- Total Accumulated Charge at Kin3 so far: 37.68 C (Goal: 100 C)
- Total Accumulated Charge at Kin3 since Jun 25 noon: 4.92 C
- Estimated charge acquisition efficiency since June 25 noon: 82%

Run plan:
- Continue production on LH2 at 20 uA;
- Possible Moller measurement before next Wed under discussion
- Wein filter test for Moller scheduled for Mon/30 during DAY shift

Current issues:
- DAQ pretty stable during run, but may require full reset when start a new run with 0.5-1.5 h of downtime
- offline analysis: working on tracking reconstruction improvement

Shift summaries:
28-Jun-2025 D https://logbooks.jlab.org/entry/4407360
28-Jun-2025 S https://logbooks.jlab.org/entry/4407556
29-Jun-2025 O https://logbooks.jlab.org/entry/4407763

Shift BTA:
28-Jun-2025 D https://logbooks.jlab.org/entry/4407549
28-Jun-2025 S https://logbooks.jlab.org/entry/4407762
29-Jun-2025 O https://logbooks.jlab.org/entry/4408011

We will have our daily (Mon to Fri) RC meeting at 1PM in the conference room on the second floor of the CH and on zoom
Zoom info:
Join ZoomGov Meeting
https://jlab-org.zoomgov.com/j/1616220064
Meeting ID: 161 622 0064
Passcode: 314159

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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4408104
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