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</style><article id="node-1215609" 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/4142572" rel="bookmark"> RC Daily Update</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4142572/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4142572/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/4142572" class="lognumber" data-lognumber="4142572">4142572</a>. Submitted by <a href="https://logbooks.jlab.org/user/billlee">billlee</a> on <time datetime="2023-03-03T11:23:05-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1677856985&end_date=1677864185&book=HALOG&book=SUPERBIGBITE">Fri, 03/03/2023 - 11:23</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog">HALOG</a> <a href="https://logbooks.jlab.org/book/superbigbite">SUPERBIGBITE</a></td></tr><tr><th>Entry Makers: </th><td>billlee</td></tr></table></div>
<div class="logentry node-content">
<p>Dear all,</p>
<p>We will start with the good news, target polarization is currently >45% based on the latest NMR measurement. Thanks to the targeted experts working hard for getting us to this point. </p>
<p>Due to the low current, we canceled the optic study: we completed the 1 foil through track portion of the study, but only managed to collect 10% of the required statistics on the multifoil study. We took out the Sieve slit at yesterday @1pm. And resume production mode.<br />
Yesterday day time, MCC attempted to establish a beam to Hall A. By 8 pm, the experts exhausted their knowledge and decided to resume diagnostics in the morning. Hall A didn't take the beam, while Hall B, C, and D had a stable operation overnight.</p>
<p>The Hall A beam delivery issue is related to the 1C05 BLM, which is close to the BSY, upstream beamline.<br />
See the diagnostics log entry here:<br /><a href="https://logbooks.jlab.org/entry/4142312">https://logbooks.jlab.org/entry/4142312</a></p>
<p>This issue is categorized as "mysterious". Today, MCC gathered a special team of experts and is trying hard to establish a beam for us today, this will like to last the entire day shift. Beam delivery to other halls is affected in this diagnostic process, really appreciate their understanding. The leader for the day shift is on call. </p>
<p>I will keep you informed updated of any good news :D</p>
<p>Let's have a very short RC meeting today at 3:30 pm depending on the beam:</p>
<p>Join ZoomGov Meeting<br /><a href="https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX">https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX</a>...<br />
Meeting ID: 161 903 2184<br />
Passcode: 260715</p>
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