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</style><article id="node-1153984" 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/4080948" rel="bookmark">RC Update -- Friday 11/11</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4080948/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4080948/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/4080948" class="lognumber" data-lognumber="4080948">4080948</a>. Submitted by <a href="https://logbooks.jlab.org/user/pdbforce">pdbforce</a> on <time datetime="2022-11-11T12:45:56-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1668185156&end_date=1668192356&book=HALOG">Fri, 11/11/2022 - 12:45</a></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><strong>Accelerator and Hall Status:</strong></p><ul><li>Yesterday early swing shift, Hunter did an EPR to get a calibration constant. The result was 1.7</li><li>We finished Ion chamber calibration on reference cell (H2) around 10 pm yesterday. It didn't seem prudent to start the process of establishing beam on He3 target at the beginning of owl shift, so we kept taking data on H2 overnight.</li><li>Target polarization kept rising consistantly overnight. Current polarization is <strong>37.8% </strong>according to the last NMR sweep (12:36 pm). <strong>This is the highest polarization we have seen since the start of GEn! </strong></li><li>Simona started the process of establishing beam on He3 cell right at the beginning of day shift. It went smoothly and we are taking production data since 9 am. </li><li>After going though several tuning procedure to recover from frequent beam trip MCC decided to send 43uA to Hall A and 50uA to Hall C. This seems to be the most stable condition for running. </li><li>Target group is discussing amongst themselves to figure out the ways for optimization. </li><li>Beam maintainance will take place on Tuesday. MCC will take beam away around 6:45am and the whole procedure will take at least one and half shift. </li></ul><p><strong>Run Plan for today:</strong></p><ul><li>Continue taking production data</li><li>Do NMR sweps every 2/3 hours</li></ul><p><strong>Let's meet today at the usual time (3:30 pm) to go over recent and future activities.</strong></p><p><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Meeting details:</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Time: Daily at 3:30pm</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Location: Counting house conference room</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Join ZoomGov Meeting</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><a style="text-decoration: none; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" href="https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX">https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX</a><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Meeting ID: 161 903 2184</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Passcode: 260715</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">Dial by your location</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">+1 669 254 5252 US (San Jose)</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">+1 646 828 7666 US (New York)</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">+1 551 285 1373 US</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">+1 669 216 1590 US (San Jose)</span><br style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;" /><span style="caret-color: #555555; color: #555555; font-family: 'Trebuchet MS', 'Helvetica Neue', Arial, Helvetica, sans-serif; font-size: 12.25px;">833 568 8864 US Toll-free</span></p> </div>
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