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</style><article id="node-1088853" 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/4015821" rel="bookmark">RC Daily Summary</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4015821/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4015821/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/4015821" class="lognumber" data-lognumber="4015821">4015821</a>. Submitted by <a href="https://logbooks.jlab.org/user/jpoudel">jpoudel</a> on <time datetime="2022-07-15T09:18:18-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1657887498&end_date=1657894698&book=HBLOG">Fri, 07/15/2022 - 09:18</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>jpoudel</td></tr></table></div>
<div class="logentry node-content">
<p>----- Thursday Day Shift -----<br />
Beam off at 8:15 am for RF recovery. Took opportunity to change target: Empty -> NH3. It went smooth<br />
During the downtime, issues related to DAQ and detector systems are fixed.<br />
RF recovery completed around 3 pm.<br />
Day shift summary by Daniel Carman: <a href="https://logbooks.jlab.org/entry/4015185">https://logbooks.jlab.org/entry/4015185</a></p>
<p>----- Thursday Swing Shift -----<br />
Target polarization started around 7 pm. Hall taken to beam permit then.<br />
Expected beam around 8:15pm, but got good beam around 9:45 pm.<br />
Beam to tagger, harp scan and then Moller run with HWP-OUT were good. Beam polarization: -83.53%. Moller run with HWP-IN failed and then aborted.<br />
Beam to FC and all looked good.<br />
Data taking using new trigger file (rgc_300MeV_v1.3_no_DC.trg) with Q^2 cut<br />
Swing Shift Summary by Sebastian Kuhn: <a href="https://logbooks.jlab.org/entry/4015415">https://logbooks.jlab.org/entry/4015415</a><br />
Total data accumulated during this shift with NH3 target: ~10 M events</p>
<p>----- Friday Owl Shift -----<br />
Production data with NH3 target @4nA beam current<br />
Target polarization slowly decreased overtime and reached ~59%, starting from ~62%<br />
Owl Shift Summary by Nicholas Zachariou: <a href="https://logbooks.jlab.org/entry/4015601">https://logbooks.jlab.org/entry/4015601</a><br />
Total data accumulated during this shift with NH3 target: ~110 M events</p>
<p>Plans ahead:<br />
Continue data taking with NH3 target @4nA beam current.<br />
Take opportunity of longer downtown to prepare Moller run with HWP-IN<br />
Change of target bath level to 87 from 75 !!!</p>
<p>RC meeting at 2:00 pm today. zoom link: <a href="https://jlab-org.zoomgov.com/j/1608674253?pwd=SFZyYmZLWXJieGtpV2dEdVRiUEJnUT09&from=addon#success">https://jlab-org.zoomgov.com/j/1608674253?pwd=SFZyYmZLWXJieGtpV2dEdVRiUE...</a></p>
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