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</style><article id="node-1275480" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/4202434" rel="bookmark">Updated Wed swing + Thursday plan for Hall A</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4202434/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4202434/delete?destination=email/send">Delete</a></li></ul></div>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4202434" class="lognumber" data-lognumber="4202434">4202434</a>. Submitted by <a href="https://logbooks.jlab.org/user/efuchey">efuchey</a> on <time datetime="2023-10-18T12:39:10-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1697643550&end_date=1697650750&book=HALOG">Wed, 10/18/2023 - 12:39</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2023-10-18T16:22:13-0400" pubdate="pubdate">Wed, 10/18/2023 - 16:22</time></p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog">HALOG</a></td></tr></table></div>
<div class="logentry node-content">
<p>The updated plan for Hall A for Wednesday Swing and Thursday is the following:</p>
<p>Wed 18:00 - 18:30: hall close-up;<br />
Wed 18:30 - 19:00: establishing CW beam, perform harp scans;<br />
Wed 19:00 - Thu 12:00(d+1): Moller;</p>
<p>At the end of Moller, beam checkout (harp scans, carbon hole) + NMR measurement:<br />
If target polarization > 35%:<br />
* production on polarized helium 3 (with NMR every 3 hours) until 8am;<br />
else:<br />
* take at least 4 hours of H2 reference cell data;<br />
* take NMR after those 4 hours, resume production if target polarization >35%, continue on ref cell otherwise, till 8am.</p>
<p>Thu 8:00 - 8:30: escorted access to insert sieve slit;<br />
Thu 8:30 - 16:00 Sieve slit data taking<br />
* 10uA CW on carbon multifoil + SBS-BB magnets ON;<br />
* 10uA CW carbon single foil + SBS-BB magnets OFF;<br />
Thu 16:00 - 16:30: escorted access to remove sieve slit;<br />
Thu 16:30 - : Back to 45uA CW on polarized Helium 3.</p>
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