[Halla_running] [New Logentry] RC summary Hall-A July 10, 20205

adr at jlab.org adr at jlab.org
Thu Jul 10 11:00:02 EDT 2025


Logentry Text:
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We made a smooth recovery from accelerator maintenance yesterday and commenced production running around 8:00 pm last night. Production running was very stable over night and the "effective experiment efficiency" ABU/(ABU+BANU) was 94% over the last SWING and OWL shifts, collecting 0.899 C! 
We also passed the 50 C mark during the OWL shift which means we have now collected over 50% of planned Coulombs for Kin3 kinematic point. We stopped production running at around 8:30 am today morning for the Moller measurement (https://logbooks.jlab.org/entry/4415222).

-Total accumulated charge at Kin3 so far: 50.37 C (Goal: 100 C)
-Total accumulated charge at Kin3 since July 9 Day to July 10 Owl: 0.899 C
-Effective experiment efficiency since July 9 Day shift: 94.5%

Plan for today: 
- Finish Moller measurement
- Take zero file single foil and multi-foil runs: TBD
- Resume production running w/ 20 uA CW on LH2 target.

Shift summaries:
07/09/2025 DAY https://logbooks.jlab.org/entry/4414596
07/09/2025 SWING https://logbooks.jlab.org/entry/4414858
07/10/2025 OWL https://logbooks.jlab.org/entry/4415022

BTAs:
07/09/2025 DAY https://logbooks.jlab.org/entry/4414831
07/09/2025 SWING https://logbooks.jlab.org/entry/4414997
07/10/2025 OWL https://logbooks.jlab.org/entry/4415196

We will have a RC meeting today at1 pm in the conference room in 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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