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</style><article id="node-782613" 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/3709675" rel="bookmark">RC daily updates</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/3709675/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3709675/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/3709675" class="lognumber" data-lognumber="3709675">3709675</a>. Submitted by <a href="https://logbooks.jlab.org/user/crowder">crowder</a> on <time datetime="2019-07-25T10:35:53-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1564061753&end_date=1564068953&book=HALOG">Thu, 07/25/2019 - 10:35</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2019-07-25T14:54:14-0400" pubdate="pubdate">Thu, 07/25/2019 - 14:54</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>Juliette Mammei</td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/3709176">3709176 - Final Wien</a><br /><a href="https://logbooks.jlab.org/entry/3709066">3709066 - Photon Detector Not Broken</a><br /><a href="https://logbooks.jlab.org/entry/3709405">3709405 - Follow-up Re: Runlist for Qsq and main detector alignment</a><br /><a href="https://logbooks.jlab.org/entry/3709345">3709345 - final alignment position LHRS run1991. x_peak = -0.033 and x_ing = -0.067cm</a><br /><a href="https://logbooks.jlab.org/entry/3709432">3709432 - Run list during alignment</a><br /><a href="https://logbooks.jlab.org/entry/3709478">3709478 - Charge asymmetry</a></td></tr></table></div>
<div class="logentry node-content">
<p>Currently Pete Francis is in the Hall trying to fix the BPMs (1H04Ac and Ec) and will be moving the RF modules as far from the beamline as possible. We are also trying to reach John Musson about the BCMs.</p>
<p>We had a good day yesterday!</p>
<p>The MOLLER team completed the spin dance around the beginning of swing<br />
We aligned the main detectors and took some alignment data for the AT detectors<br />
We completed a Qsq measurement<br />
The Compton photon detector is NOT broken<br />
Near the end of swing we started taking production data at 70uA (after Devi adjusted the HV for the main detectors) </p>
<p>There were some various problems that came up during the night: </p>
<p>"run999999" location moved, causing some confusion - couldn't run Panguin anywhere but adaq1<br />
BPM cuts in charge feedback kept it from feeding back on Hall A<br />
BPMs 4Ac, 4Ec lost communication<br />
large BCM widths</p>
<p>Further work:</p>
<p>Look at the alignment data for the AT detectors; Ryan, Seamus and Sereres will make a plan for aligning them (we do need these!) (Ryan)<br />
Check the parity feedback and be more careful about the cuts that are standard (they don't need to be so tight?) (Amali)<br />
Move BPMs away from beamline (Pete Francis)<br />
Fix BCMs (could run unhappily with additional width but hopefully won't have to) (John Musson)<br />
Re-analysing runs from last night with different BPMs so we can check other things (BCMs will still be not ideal) (Tao, Devi)</p>
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