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<article id="node-1480506" class="node node-logentry article ia-n clearfix" role="article">
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<a href="https://logbooks.jlab.org/entry/4407442" rel="bookmark">RC Summary June 28</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/4407442" class="lognumber" data-lognumber="4407442">4407442</a>. Submitted by <a href="https://logbooks.jlab.org/user/ehingerl">ehingerl</a> on <time datetime="2025-06-28T11:43:18-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1751121798&end_date=1751128998&book=HCLOG">Sat, 06/28/2025 - 11:43</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>On Friday June 27th, we took Hydrogen runs until ~8am, at which point Dave Meekins emptied loop 3 (<a href="https://logbooks.jlab.org/entry/4406679">https://logbooks.jlab.org/entry/4406679</a>). We then ran on empty target for ~2 ABU's, until 11am, when the accelerator went down for a short scheduled maintenance. Dave made an access to switch loop 3 back to LD2. The HMS was also rotated to 17deg (<a href="https://logbooks.jlab.org/entry/4406826">https://logbooks.jlab.org/entry/4406826</a>).<br />
We returned to beam permit just in time for beam to go down, and didn't get beam again until ~9 pm.</p>
<p>The A can vacuum recovered well, after the pump was moved closer to the vacuum. The pump was removed during the 11am controlled access (<a href="https://logbooks.jlab.org/entry/4406805">https://logbooks.jlab.org/entry/4406805</a>).</p>
<p>At ~9pm, shift crews completed harp scans (<a href="https://logbooks.jlab.org/entry/4407045">https://logbooks.jlab.org/entry/4407045</a>, <a href="https://logbooks.jlab.org/entry/4407041">https://logbooks.jlab.org/entry/4407041</a>) carbon hole checkout (<a href="https://logbooks.jlab.org/entry/4407079">https://logbooks.jlab.org/entry/4407079</a>), as well as took 5 ABU's on Optics 1 and 3 ABU's on Optics 2. We switched to LD2 in loop 3 at 0.3uA mid owl shift, and will continue to run at this setting until further notice.</p>
<p>There will be no RC meeting today. We'll meet again on Monday.</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 and ps1&ps3=0<br />
=============</p>
<p>Thanks to all shift workers for helping out! We still have a couple more openings in the upcoming weeks.<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 27:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4406676">https://logbooks.jlab.org/entry/4406676</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4406973">https://logbooks.jlab.org/entry/4406973</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4406888">https://logbooks.jlab.org/entry/4406888</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4406891">https://logbooks.jlab.org/entry/4406891</a></p>
<p>Swing Shift June 27:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4407006">https://logbooks.jlab.org/entry/4407006</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4407036">https://logbooks.jlab.org/entry/4407036</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4407162">https://logbooks.jlab.org/entry/4407162</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4407026">https://logbooks.jlab.org/entry/4407026</a></p>
<p>Owl Shift June 28:<br />
Summary: <a href="https://logbooks.jlab.org/entry/4407171">https://logbooks.jlab.org/entry/4407171</a><br />
Checklist: <a href="https://logbooks.jlab.org/entry/4407329">https://logbooks.jlab.org/entry/4407329</a><br />
BTA: <a href="https://logbooks.jlab.org/entry/4407359">https://logbooks.jlab.org/entry/4407359</a><br />
Magnets: <a href="https://logbooks.jlab.org/entry/4407192">https://logbooks.jlab.org/entry/4407192</a></p>
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