[Hallc_running] [New Logentry] RC Summary July 7th

billlee at jlab.org billlee at jlab.org
Mon Jul 7 11:05:02 EDT 2025


Logentry Text:
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Summary of Recent Activities:

Over the past 36 hours, Hall C has operated in production mode as expected, with no significant beam trips. In the last four days, we logged 75 hours of data collection out of a projected 92 beam hours. A GEM high-voltage trip occurred around 1 a.m. last night, but it did not disrupt operations.
Thanks to Dave's efforts, the BCM calibration has been successfully fitted and analyzed, showing promising results. At this point, it appears that no further BCM calibration data is needed. See log entry: https://logbooks.jlab.org/entry/4412851

RC Meetings:
Our daily RC meeting will take place today at 2:30 p.m. Connection details are available here: https://logbooks.jlab.org/entry/4346862
Looking Ahead to Wednesday’s Beam Test and Maintenance Day:
We’ve requested restricted access for Hall C starting at 7:30 a.m. Wednesday to support the following planned activities:
1. Survey Work for GEM Stack – Pending confirmation from Survey and Alignment group
2. Installation of Hand Guard Rails (prior to the survey and alignment work) – Confirmed by Jerry
3. Lockout of SHMS Magnet Power Supply (prior to the survey and alignment work) – Confirmed by Joe
4. Lockout of GEM Power Supplies – Confirmed by the GEM group

Additionally:
1. A tour is scheduled for Wednesday and will be led by Sangwa, this is planned for 10 AM.
2. If anyone is interested in a Hall C walkthrough or opportunistic access, please reach out to me directly.


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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/4413366
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