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</style><article id="node-850530" 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/3777562" 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/3777562/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3777562/delete?destination=email/send">Delete</a></li></ul></div>
<div class="date-vitals">
<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/3777562" class="lognumber" data-lognumber="3777562">3777562</a>. Submitted by <a href="https://logbooks.jlab.org/user/simona">simona</a> on <time datetime="2020-02-04T15:45:49-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1580845549&end_date=1580852749&book=HCLOG">Tue, 02/04/2020 - 15:45</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2020-02-04T15:55:38-0500" pubdate="pubdate">Tue, 02/04/2020 - 15:55</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 Hall C spin dance of yesterday went quite well: <a href="https://logbooks.jlab.org/entry/3776854">https://logbooks.jlab.org/entry/3776854</a></p>
<p>We restored production running after the Hall C spin dance around 5:30 pm: <a href="https://logbooks.jlab.org/entry/3776936">https://logbooks.jlab.org/entry/3776936</a></p>
<p>We ran more or less O.K. for ~5 hours before (what I would call) an impromptu beam study started on the Ops side towards the end of the swing shift with the purpose of investigating beam losses: <a href="https://logbooks.jlab.org/entry/3777279">https://logbooks.jlab.org/entry/3777279</a> , <a href="https://logbooks.jlab.org/entry/3777203">https://logbooks.jlab.org/entry/3777203</a>, <a href="https://logbooks.jlab.org/entry/3777480">https://logbooks.jlab.org/entry/3777480</a> , <a href="https://logbooks.jlab.org/entry/3777557">https://logbooks.jlab.org/entry/3777557</a></p>
<p>Beam of less than 30 muA current was restored to Hall C sometime around 2:30 am (it was decided to give Hall A full current and run Hall C at less than 30 muA to keep the BLA from tripping the beam). Two and half hours later the 5th pass separator tripped and we were down until 8:30 am when we decided to take the controlled access for Steve, Andy and Amy to work on SHMS Q3. That work was completed in a little over three hours: <a href="https://logbooks.jlab.org/entry/3777427">https://logbooks.jlab.org/entry/3777427</a></p>
<p>After the access we restored production running around 12:20 pm but then we lost beam again at about 14:30 pm because of a series of accelerator downs: <a href="https://accweb.acc.jlab.org/dtm/open-events">https://accweb.acc.jlab.org/dtm/open-events</a></p>
<p>For a summary of the little bit of production data we've gotten during these hellish 24 hours see: <a href="https://logbooks.jlab.org/entry/3776972">https://logbooks.jlab.org/entry/3776972</a></p>
<p>We will have a RC meeting today at 4:15 pm. Here is how to connect:</p>
<p> <a href="https://bluejeans.com/861439920">https://bluejeans.com/861439920</a><br />
To join via Room System:<br />
Video Conferencing System: bjn.vc -or-199.48.152.152<br />
Meeting ID : 861439920<br />
To join via phone :<br />
1) Dial:<br />
+1.408.740.7256 (US (San Jose))<br />
+1.888.240.2560 (US Toll Free))<br />
+1.408.317.9253 (US (Primary, San Jose))<br />
(see all numbers - <a href="http://bluejeans.com/numbers">http://bluejeans.com/numbers</a>)<br />
2) Enter Conference ID : 861439920</p>
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