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</style><article id="node-678896" 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/3606003" 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/3606003/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3606003/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/3606003" class="lognumber" data-lognumber="3606003">3606003</a>. Submitted by <a href="https://logbooks.jlab.org/user/simona">simona</a> on <time datetime="2018-10-08T12:43:48-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1539013428&end_date=1539020628&book=HCLOG">Mon, 10/08/2018 - 12:43</a></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>We got beam back yesterday at around 6:30 pm. Except for about one hour interruption during owl when Ops tuned the machine beam has been fairly good at 60 muA (when not running on Al dummy). Since 6:30 pm yesterday we completed:</p>
<p>--> Q2=4.4 W=2.74 x=0.4 theta_Shms=12.81</p>
<p>--> Q2=4.4 W=2.74 x=0.4 theta_Shms=15.81 </p>
<p>We changed kinematics this morning (momenta and angles) to take data at Q2=3. W=3.14 x=0.25 theta_Shms=12.42. The LH2 data taking is in progress.</p>
<p>For a status of the data taking please check [<a href="https://hallcweb.jlab.org/wiki/index.php/Kaon_LT_Status_Page]">https://hallcweb.jlab.org/wiki/index.php/Kaon_LT_Status_Page]</a>.</p>
<p>Tomorrow at 7 am beam will be off for RF recovery.</p>
<p>We will go to a short controlled access for Steve L. to check on the magnets. If you need to access the hall, check with the Hall C RC first.</p>
<p>Problems requiring attention:</p>
<p>--> SHMS rotation: when we moved to 12.42 deg the spectrometer went to 12.42 indeed but then instead of stopping there it "slided" about 0.04 deg to higher angle (on the camera). Steve Lassiter has been notified.</p>
<p>--> HMS dipole LN2 valve JT4: it's stuck again and not regulating anymore. Steve L. will make a change to the software this afternoon to use the bottom valve instead.</p>
<p>We will meet today at 4:30 pm on the second floor of the counting house.</p>
<p>To join the Meeting:<br /><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 />
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2) Enter Conference ID : 861439920</p>
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