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</style><article id="node-615092" class="node node-logentry article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/3542214" rel="bookmark">RC daily update</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/3542214" class="lognumber" data-lognumber="3542214">3542214</a>. Submitted by <a href="https://logbooks.jlab.org/user/simona">simona</a> on <time datetime="2018-03-03T20:38:21-0500" pubdate="pubdate">Sat, 03/03/2018 - 20:38</time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr><tr><th>Entry Makers: </th><td>simona</td></tr></table></div>
<div class="logentry node-content">
<p>The run is going well. We moved to the next SHMS momentum setting at 33 deg during the swing shift. Two more momentum settings to go before we change polarity to measure the charge symmetric background. In HMS, we are finishing up the third momentum setting at 59 deg. I anticipate we will change the HMS momentum in the next couple of hours to take data at our last momentum setting at 59 deg with negative polarity. Then the plan is to change polarity in HMS to measure the charge symmetric background.</p>
<p>Here is a link to the googledoc where I keep track of stats:<br />
SHMS: <a href="https://docs.google.com/document/d/13i-SQGGES52d8fjJo9CTdgMc0A7J7z_t9FdKewW6HEM/edit#">https://docs.google.com/document/d/13i-SQGGES52d8fjJo9CTdgMc0A7J7z_t9FdK...</a><br />
HMS: <a href="https://docs.google.com/document/d/1scxBFrrasplcp8-AznKRal5rr_19KKGk7Wfwsld-8Fw/edit#">https://docs.google.com/document/d/1scxBFrrasplcp8-AznKRal5rr_19KKGk7Wfw...</a></p>
<p>The beam has been pretty good so we got the chance to do a BCM calibration run at the beginning of the swing shift (<a href="https://logbooks.jlab.org/entry/3542165">https://logbooks.jlab.org/entry/3542165</a> , <a href="https://logbooks.jlab.org/entry/3542061">https://logbooks.jlab.org/entry/3542061</a>).</p>
<p>At the MCC meeting this morning we were told that there will be beam studies on Monday during the day shift and that we should expect beam back for physics between 4 and 5 pm. RF recovery is scheduled for Tuesday for part of the day shift.</p>
<p>If you need access to Hall C on Monday during beam studies for a very good reason contact the Hall C RC (<a href="mailto:simona@jlab.org">simona@jlab.org</a>, 757-270-8916). I do not plan to ask for controlled access unless there is a request/real need. At the MCC meeting this morning we were told that, if we go to controlled, we should have the hall ready for beam permit by ~2 pm.</p>
<p>There will be no daily RC meeting tomorrow but I will send out an update. You all have a great weekend :-)</p>
<p>Special notices in effect for shift crews:</p>
<p>Recovering the HMS DAQ: <a href="https://hallcweb.jlab.org/wiki/index.php/Hall-C_HMS_DAQ_Failure_Modes">https://hallcweb.jlab.org/wiki/index.php/Hall-C_HMS_DAQ_Failure_Modes</a><br />
Trouble shooting HMS Q1 valves JT6 and JT8: <a href="https://logbooks.jlab.org/entry/3538239">https://logbooks.jlab.org/entry/3538239</a>, <a href="https://logbooks.jlab.org/entry/3538243">https://logbooks.jlab.org/entry/3538243</a>, <a href="https://logbooks.jlab.org/entry/3538254">https://logbooks.jlab.org/entry/3538254</a><br />
Trouble shooting HMS Q2 power supply: <a href="https://logbooks.jlab.org/entry/3537306">https://logbooks.jlab.org/entry/3537306</a><br />
TO Instructions for LH2 <--> LD2 switches : <a href="https://logbooks.jlab.org/entry/3534487">https://logbooks.jlab.org/entry/3534487</a></p>
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