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<article id="node-1482447" class="node node-logentry article ia-n clearfix" role="article">
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<a href="https://logbooks.jlab.org/entry/4409383" rel="bookmark">RC Summary July 1st</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/4409383" class="lognumber" data-lognumber="4409383">4409383</a>. Submitted by <a href="https://logbooks.jlab.org/user/ehingerl">ehingerl</a> on <time datetime="2025-07-01T08:41:48-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1751370108&end_date=1751377308&book=HCLOG">Tue, 07/01/2025 - 08:41</a></time>. </p>
<table class="field-vitals">
<tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr>
<tr><th>Entry Makers: </th><td>ehingerl</td></tr>
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<p>Beam and data taking has continued quite well for the past day, including one period with >1hr of no trips (<a href="https://logbooks.jlab.org/entry/4408811">https://logbooks.jlab.org/entry/4408811</a>).</p>
<p>Yesterday's wein angle test did not deliver much beam to the hall, but what little beam we received was usable.<br />
Early Owl shift, the HCDESK4 computer froze and had to be manually restarted; Data taking was not significantly impacted, as coda continued to run on the vnc server with near 100% live time. <a href="https://logbooks.jlab.org/entry/4409201">https://logbooks.jlab.org/entry/4409201</a><br />
This was preceded by another HCDESK4 computer error during day shift, where the gui froze and had to be xkill'ed. <a href="https://logbooks.jlab.org/entry/4408889">https://logbooks.jlab.org/entry/4408889</a></p>
<p>Wednesday will be a maintenance day, with beam down for 4 hrs followed by RF recovery. Beam will go down at ~6:45am. Expect hall access ~7:30-8:00. Please let the RC know if you would like a hall access during this time. We'll perform a full sweep, but remain in controlled (if the door permits).<br />
There is a Hall C walkthrough (tentatively) planned for 11am this Wednesday. Reach out to Sam Hahn for scheduling.</p>
<p>We are also planning on a BCM calibration this Wednesday, using the injector Faraday Cup. MCC will perform the measurement at ~5:30am, before the start of maintenance. Dave Mack will finalize the exact runplan today.</p>
<p>Plan for the day:<br />
===============<br />
Take 1 hr runs on LD2 in loop 3 at 0.3uA with ps2=ps4=0, until further notice.<br />
Once per day, take single arm runs for 10 min each. Alternate daily between ps2&ps4=0 (even days) and ps1&ps3=0 (odd days)<br />
<a href="https://logbooks.jlab.org/entry/4407478">https://logbooks.jlab.org/entry/4407478</a><br />
=============<br />
We will have our regular RC Meeting today at CH conference Room and via zoom ( <a href="https://logbooks.jlab.org/entry/4346862">https://logbooks.jlab.org/entry/4346862</a>)<br />
The online information is here: <a href="https://hallcweb.jlab.org/wiki/index.php?title=July_1,_2025">https://hallcweb.jlab.org/wiki/index.php?title=July_1,_2025</a></p>
<p>Thanks to all shift workers for helping out! Only six shifts left for the LAD experiment!<br />
<a href="https://misportal.jlab.org/mis/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-LAD">https://misportal.jlab.org/mis/physics/shiftSchedule/index.cfm?experimen...</a></p>
<p>====================================<br />
Day Shift June 30:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4408639">https://logbooks.jlab.org/entry/4408639</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4408895">https://logbooks.jlab.org/entry/4408895</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4408663">https://logbooks.jlab.org/entry/4408663</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4408667">https://logbooks.jlab.org/entry/4408667</a></p>
<p>Swing Shift June 30:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4408913">https://logbooks.jlab.org/entry/4408913</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4409107">https://logbooks.jlab.org/entry/4409107</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4409005">https://logbooks.jlab.org/entry/4409005</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4409084">https://logbooks.jlab.org/entry/4409084</a></p>
<p>Owl Shift July 1:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4409114">https://logbooks.jlab.org/entry/4409114</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4409352">https://logbooks.jlab.org/entry/4409352</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4409246">https://logbooks.jlab.org/entry/4409246</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4409245">https://logbooks.jlab.org/entry/4409245</a></p>
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