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</style><article id="node-1132640" 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/4059604" rel="bookmark">RC Summary of Past 24 Hours</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4059604/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4059604/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/4059604" class="lognumber" data-lognumber="4059604">4059604</a>. Submitted by <a href="https://logbooks.jlab.org/user/andrsmit">andrsmit</a> on <time datetime="2022-10-15T10:26:21-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1665840381&end_date=1665847581&book=HDLOG">Sat, 10/15/2022 - 10:26</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hdlog">HDLOG</a></td></tr><tr><th>Entry Makers: </th><td>andrsmit</td></tr></table></div>
<div class="logentry node-content">
<p>We received beam in Hall D at the end of the day shift yesterday after a downtime of about 6.5 hours. After doing the usual harp scans, Sasha initially tried to do a rate scan for trigger studies, but the beam was pretty unstable when it first showed up, and we decided to postpone this study to Sunday or Monday. We collected 2 runs at 250nA to use for systematic studies associated with the higher rate in the Compton analysis, and then we moved back to the nominal current of 200nA for the remainder of the time. We plan to collect more data at 250nA for a longer time period on Monday (likely 1 or 2 days) so that we will have enough data to study the systematics in the eta (Primakoff) analysis. </p>
<p>Copied below is the usual summary of the past 24 hours shown at the morning RC meetings.</p>
<p>Best,<br />
-- Drew</p>
<p>=== Past 24 hours ===<br />
*No beam during most of day shift (Wien angle change + Hall A pass change)<br />
*[<a href="https://logbooks.jlab.org/entry/4058479">https://logbooks.jlab.org/entry/4058479</a> 5 FCAL Bases replaced (Mark)]<br />
*[<a href="https://logbooks.jlab.org/entry/4058571">https://logbooks.jlab.org/entry/4058571</a> Calorimeter Prototype installed in PS test setup]<br />
*[<a href="https://logbooks.jlab.org/entry/4058868">https://logbooks.jlab.org/entry/4058868</a> Harp scan results]<br />
*4 hours of data (2 runs) collected at 250nA for Compton systematic studies<br />
*2.1B total triggers collected on He target since 5PM yesterday (as of 8:30AM, Saturday morning).</p>
<p>* Shift Summary<br />
** [<a href="https://logbooks.jlab.org/entry/4059426">https://logbooks.jlab.org/entry/4059426</a> Early Riser Saturday]<br />
** [ Owl Friday/Saturday]<br />
** [<a href="https://logbooks.jlab.org/entry/4058851">https://logbooks.jlab.org/entry/4058851</a> Swing Friday]<br />
** [<a href="https://logbooks.jlab.org/entry/4058420">https://logbooks.jlab.org/entry/4058420</a> Day Friday]<br />
** [<a href="https://logbooks.jlab.org/entry/4058236">https://logbooks.jlab.org/entry/4058236</a> Early Riser Friday]</p>
<p>=== Issues ===<br />
*Problems reported establishing connection to VNC session by remote worker. Seems to be fixed.</p>
<p>=== Plan ===<br />
*Continue taking production data at 200nA over the weekend.</p>
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