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</style><article id="node-1050778" 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/3977753" 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/3977753/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3977753/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/3977753" class="lognumber" data-lognumber="3977753">3977753</a>. Submitted by <a href="https://logbooks.jlab.org/user/cyero">cyero</a> on <time datetime="2022-01-27T09:13:08-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1643289188&end_date=1643296388&book=HCLOG">Thu, 01/27/2022 - 09:13</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-01-27T09:13:22-0500" pubdate="pubdate">Thu, 01/27/2022 - 09:13</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>cyero</td></tr></table></div>
<div class="logentry node-content">
<b>Accelerator Status:</b>
<ul><li>Jan 26 Day/Swing (yesterday):
<ul><li> Beam Studies / RF Recovery </li>
</ul></li>
<li>Jan 27 Owl/Day (today):
<ul><li> Tuned up Hall C line, and briefly sent 70 uA before XSEP8T tripped off, which only affects Hall C. Still no beam as of now. <a href="https://cebaf.jlab.org/dtm/open-events?event_id=16233">XSEP8T Fault</a></li>
</ul></li>
</ul><b>General Hall C Status:</b>
<ul><li> Jan 26 Day/Swing (yesterday):
<ul><li> Hall C techs (thanks Larry, Jerry, Stan) installed and cabled Ion Chmaber (IC) between SHMS Q1 and beamline. See log-entries: <a href="https://logbooks.jlab.org/entry/3977381">IC-log1</a>,
<a href="https://logbooks.jlab.org/entry/3977383">IC-log2</a></li>
<li> Verified that SHMS could be rotated to 6.16 deg, with the IC installed. This is the smallest angle the Pion-LT experiment will be at in the next few days. </li>
<li> Steve Lassiter set a new hard limit of 6.15 deg on SHMS rotation. See log-entry <a href="https://logbooks.jlab.org/entry/3977411">SHMS Rotation Limit</a> </li>
<li> Ellen Becker fixed SHMS Q1 Power Supply communication issue, which occurred while ramping SHMS Q1 down for IC installation. See log-entry <a href="https://logbooks.jlab.org/entry/3977377">SHMS Q1 Communication Issue</a> </li>
</ul></li>
<li> Jan 27 Owl/Day (today):
<ul><li> Physics beam was briefly restored to Hall C line for a brief period, enough to get a Carbon Hole check done. </li>
<li> While attempting to send 70 uA, XSEP8T tripped off and faulted multiple times. This affects only Hall C, as it is related to the 4th-pass separator extrator.
As of 08:51, still no fix. </li>
</ul></li>
</ul><b>Hall C PION-LT Data Collection/Analysis Status:</b><br /><ul><li>Jan 27 (today):
<ul><li> ~57 % of data collected at current kinematics (statistical goal of 10,000 counts) </li>
<li> <b>Current Kinematic Setting:</b> <br /> Q2 = 5, W = 2.95, x = 0.39, low-epsilon, (SHMS Left), <br /> SHMS: 6.719 GeV/c, 8.17 deg <br /> HMS: -1.104 GeV/c, 44.38 deg </li>
</ul></li>
</ul><p>
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