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</style><article id="node-1297073" 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/4224026" rel="bookmark">RC Update - Nov 21</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4224026/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4224026/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/4224026" class="lognumber" data-lognumber="4224026">4224026</a>. Submitted by <a href="https://logbooks.jlab.org/user/chandan">chandan</a> on <time datetime="2023-11-21T09:41:07-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1700574067&end_date=1700581267&book=HALOG">Tue, 11/21/2023 - 09:41</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog">HALOG</a></td></tr><tr><th>Entry Makers: </th><td>chandan</td></tr></table></div>
<div class="logentry node-content">
<br /><br />
Here are some notable things/issues that have happened since yesterday:
<br /><br /><ul><li>The work of emptying the sump was completed around yesterday at 19:40 hour. Thanks to all the people who worked hard to bring Beam back into hall A- <a href="https://logbooks.jlab.org/entry/4223464"> Emptying sump </a> </li>
<li>Received Beam authorization at 20:30 - <a href="https://logbooks.jlab.org/entry/4223499"> Beam authorization </a> </li>
<li>Complited harp scans and beam spot looked good - <a href="https://logbooks.jlab.org/entry/4223605"> Beam spot size </a> </li>
<li> Beam was down for some time due to a violation of operation restriction (unrastered CW beam on LD2 target of Hall C). Fortunately, they quickly resolved this and MCC started beam operation - <a href="https://logbooks.jlab.org/entry/4223643"> Restored beam operation </a> </li>
<li> Ion chamber calibration on the Carbon hole target -<a href="https://logbooks.jlab.org/entry/4223682"> Ion chamber calibration </a> </li>
<li> Around 3 am, there was a DAQ problem due to SBS GEMROC22. Eric and Alex resolved it.- <a href="https://logbooks.jlab.org/entry/4223733"> DAQ problem </a> </li>
<li> Raster BRM issue needs to be looked at- <a href="https://logbooks.jlab.org/entry/4223788"> Raster BRM issue </a> </li>
<li> Updated BPM XSOF and YSOF for the new target - <a href="https://logbooks.jlab.org/entry/4223908"> New Position locks </a> </li>
<li> Final beam position analysis from Bill - <a href="https://logbooks.jlab.org/entry/4223943"> Thanks Owl crew and Bill </a> </li>
<li> Performed ion chamber calibration for the reference cell and multifoil targets. </li>
<li> GEM experts will perform the GEM HV scan. After that, we will take one hour of production before going for Moller polarization measurement. </li>
<li> Don Jones prefers Moller measurement to start before 2 pm or after 8 pm. </li>
</ul><br />
Here are the two shift summaries from <a href="https://logbooks.jlab.org/entry/4223515"> yesterday's swing </a> and <a href="https://logbooks.jlab.org/entry/4223872"> today's owl </a>.
<br />
Thanks to all the people who signed up for the shifts on short notice.
<br />
There are still a couple of open slots. Please consider signing up for those open slots.
<br /><a href="https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=SBS-GEn-2022"> Shift Sign-up page </a>
<br />
We will have a regular RC meeting at 3:30 pm today in the CH conference room.
<br />
People can join remotely via:
<a href="https://jlab-org.zoomgov.com/j/1616220064"> Zoom link </a>
<br />
Meeting ID: 161 622 0064
<br />
Passcode: 314159
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