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</style><article id="node-711671" 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/3638766" rel="bookmark">RC: Daily update</a>
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</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/3638766/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/3638766/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/3638766" class="lognumber" data-lognumber="3638766">3638766</a>. Submitted by <a href="https://logbooks.jlab.org/user/mdiefent">mdiefent</a> on <time datetime="2018-12-14T09:19:19-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1544793559&end_date=1544800759&book=HCLOG">Fri, 12/14/2018 - 09:19</a></time>. </p>
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Last updated on <time datetime="2018-12-14T09:19:58-0500" pubdate="pubdate">Fri, 12/14/2018 - 09:19</time></p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr></table></div>
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<p><strong><span style="font-family: Helvetica; font-size: 12px;">Update on day and swing shift of December 13 and owl shift of December 14</span></strong><br style="font-family: Helvetica; font-size: 12px;" /><br style="font-family: Helvetica; font-size: 12px;" /><span style="font-family: Helvetica; font-size: 12px;"><strong>CEBAF status</strong>:</span><span style="font-family: Helvetica; font-size: 12px;"> </span></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Received 6.9 hours of beam during the day shift (<a href="https://logbooks.jlab.org/entry/3638519">https://logbooks.jlab.org/entry/3638519</a>). 1.6 hours of beam time was lost to the ILMAD00 trips and the work on it. </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Received 7.8 hours of beam during the swing shift (<a href="https://logbooks.jlab.org/entry/3638631">https://logbooks.jlab.org/entry/3638631</a>). </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Received 7.6 hours of beam during the owl shift (<a href="https://logbooks.jlab.org/entry/3638707">https://logbooks.jlab.org/entry/3638707</a>). </span></li></ul><p><strong style="font-family: Helvetica; font-size: 12px;">Hall C status</strong><span style="font-family: Helvetica; font-size: 12px;">: </span></p><div style="font-family: Helvetica; font-size: 12px;"><ul><li>Three-pass beam with an energy of 4.933 GeV is delivered to Hall C. </li><li>Hall C is setup for the Kaon LT experiment (E12-09-011). The experiments aims for the first precision measurements of L/T separated kaon electroproduction cross sections above the resonance region. Details on the Kaon LT experiment can be found on: <a href="https://redmine.jlab.org/projects/kltexp/wiki">https://redmine.jlab.org/projects/kltexp/wiki</a></li><li>During the swing shift, we lost about one hour of beam time due to all HMS magnets and HB in SHMS interlocking (<a href="https://logbooks.jlab.org/entry/3638577">https://logbooks.jlab.org/entry/3638577</a>). </li><li>On Monday, December 17, we will change during a control access the SHMS angle to angle of 6.00 degree. </li></ul></div><p><span style="font-family: Helvetica; font-size: 12px;"><strong>Data taking</strong>:</span><span style="font-family: Helvetica; font-size: 12px;"> </span></p><div style="font-family: Helvetica; font-size: 12px;"><ul><li>The detailed run plan is available on: <a href="https://redmine.jlab.org/attachments/download/590/runplan_4p9gev.pdf">https://redmine.jlab.org/attachments/download/590/runplan_4p9gev.pdf</a></li><li>We have done the harp scan: <a href="https://logbooks.jlab.org/entry/3638031 ">https://logbooks.jlab.org/entry/3638031 </a>(see also 3638030 and the work documented in entries 3638025 and 638027)</li><li>We have taken the data for the calibration runs: </li><li>Holly has done the sieve and beam position comparisons: <a href="https://logbooks.jlab.org/entry/3638085. ">https://logbooks.jlab.org/entry/3638085. </a></li><li>Richard documented his analysis of the heep coincidence runs: <a href="https://logbooks.jlab.org/entry/3638592">https://logbooks.jlab.org/entry/3638592</a> No offsets are observed in the missing mass and momentum distributions. </li></ul>On December 14 at around 8:30 a.m., MCC started the beam energy measurement. We have started data taking in the high epsilon setting. The run conditions allows us to take data for beam currents of 13uA, 17uA, 21uA. </div><p><strong><span style="font-family: Helvetica; font-size: 12px;">Hall C Daily RC meeting</span></strong><span style="font-family: Helvetica; font-size: 12px;">: We will meet today at 4:15 p.m. (EDT) in the conference room on the second floor of the counting house. Remote participation will be possible via BlueJeans (ID: 861439920). You can join via:</span><span style="font-family: Helvetica; font-size: 12px;"> </span></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">browser: <a href="https://bluejeans.com/861439920">https://bluejeans.com/861439920</a></span></li><li><span style="font-family: Helvetica; font-size: 12px;">phone: (888) 240-2560 (US toll free); list of international phone numbers: <a href="http://bluejeans.com/number">http://bluejeans.com/number</a></span></li></ul><p><span style="font-family: Helvetica; font-size: 12px;">We will review the status of the experiment, discuss the results of the </span><span style="font-family: Helvetica; font-size: 12px;">heep coincidence runs and the energy measurement</span><span style="font-family: Helvetica; font-size: 12px;">, and coordinate the work for the next days.</span><span style="font-family: Helvetica; font-size: 12px;"> </span></p> </div>
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