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</style><article id="node-1128087" 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/4055051" rel="bookmark">RC Daily Summary, Oct 11th 2022.</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4055051/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4055051/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/4055051" class="lognumber" data-lognumber="4055051">4055051</a>. Submitted by <a href="https://logbooks.jlab.org/user/deurpam">deurpam</a> on <time datetime="2022-10-11T07:43:40-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1665485020&end_date=1665492220&book=HBLOG">Tue, 10/11/2022 - 07:43</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hblog">HBLOG</a></td></tr><tr><th>Entry Makers: </th><td>deurpam</td></tr></table></div>
<div class="logentry node-content">
<p>Summary from Monday-Day (10/10/2022) to Tuesday-Owl (10/11/2022)</p>
<p>General Summary:<br />
The Monday-Day to Tuesday-Owl period was quite productive, with more than 15h of ABU. Most of the beam down time was between 8:45am and 12:05pm during which the beam was taken away to investigate an issue with the polarized source faraday cup. During that time, we asked Ops to take out the BHWP and started production with BHWP OUT and a target polarization of about +70% (according to NMR). Data taking continued very efficiently during swing and owl shifts in the same configuration. </p>
<p>Status: NH3 target is polarized at: +67% as of Monday 10/10/22 7am, according to NMR. BHWP: OUT.</p>
<p>Events accumulated:<br />
397M as of 6:00am (up to run 17160)</p>
<p>Plan:<br />
-Continue data taking with BHWP OUT until 9am Tuesday Oct. 11th. Then Rapid Access between 9am-noon to anneal the current NH3 sample and RF-reverse the target polarization.<br />
Take data with BHWP out until 9am Wednesday.<br />
-Wednesday, Rapid Access between 9am-noon to change target material to carbon. Take data with BHWP out until 9am Thursday.<br />
-Thursday, Controlled Access between 9am-17h (covers pass-change for Hall A) for Solenoid field reversal and installing a new sample of NH3 and polarized it (negatively). This will be followed by a Moller run (and if necessary, a spin dance to optimize the Wein angle) and then data taking. </p>
<p>We will have a RC meeting today at 2pm.</p>
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