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</style><article id="node-1327992" 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/4254944" rel="bookmark">RC - report 02/21/2024</a>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4254944" class="lognumber" data-lognumber="4254944">4254944</a>. Submitted by <a href="https://logbooks.jlab.org/user/yeran">yeran</a> on <time datetime="2024-02-21T10:27:30-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1708525650&end_date=1708532850&book=HCLOG">Wed, 02/21/2024 - 10:27</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>yeran</td></tr></table></div>
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<p>--------------------------------<br />
RC Report - 02/21/2024<br />
--------------------------------</p>
<p>Tuesday (02.20)<br />
---------------------<br />
=> MCC take OFF the beam 7am ~ midnight,<br />
=> We took LED runs<br />
=> TO Yaopeng noticed couple of alarms on target /hvL2_Fan_Freq_R/ , <a href="https://logbooks.jlab.org/entry/4254559">https://logbooks.jlab.org/entry/4254559</a>, <a href="https://logbooks.jlab.org/entry/4254571">https://logbooks.jlab.org/entry/4254571</a>, which was solved by oncall TO expertSilviu <a href="https://logbooks.jlab.org/entry/4254586">https://logbooks.jlab.org/entry/4254586</a></p>
<p>Works done in the Hall:<br />
--------------------------------<br />
1) Instrumentation Group => BPM IPM3H07A<br />
2) Spectrometer support group => bayonet operations<br />
3) Aaron => rebooted NPS mainframe<br />
4) Jerry/Larry => SHMS Q1 magnet<br />
5) Ellen => HMS Quadruple magnet<br />
6) Dave G. +1 => Safety Walkthrough (SAF112)<br />
7) Josh/Aaron => NPS temperature sensor issue. The channels has been recovered by using 3 extension cables (#3,8,9), <a href="https://logbooks.jlab.org/entry/4254570">https://logbooks.jlab.org/entry/4254570</a> </p>
<p>Wednesday (02.21)<br />
--------------------------<br />
=> harps scan of 3H07A/3H07B with fast raster off, <a href="https://logbooks.jlab.org/entry/4254746">https://logbooks.jlab.org/entry/4254746</a> <a href="https://logbooks.jlab.org/entry/4254747">https://logbooks.jlab.org/entry/4254747</a>. The numbers for 7B was 0.5481, and I asked MCC do do another one, <a href="https://logbooks.jlab.org/entry/4254804">https://logbooks.jlab.org/entry/4254804</a>, <a href="https://logbooks.jlab.org/entry/4254803">https://logbooks.jlab.org/entry/4254803</a> , and the raster during the harp scan was OFF, <a href="https://logbooks.jlab.org/entry/4254751">https://logbooks.jlab.org/entry/4254751</a> </p>
<p>=>Problem with the scalar/NPS current/NPS anode GUI <a href="https://logbooks.jlab.org/entry/4254818#comment-48603">https://logbooks.jlab.org/entry/4254818#comment-48603</a>, so the Run Control GUI has been restarted ("killCoin" and "startCoin" to restart GUI) <a href="https://logbooks.jlab.org/entry/4254829">https://logbooks.jlab.org/entry/4254829</a></p>
<p>=>Issue with the SHMS GUI and TV, the angles are different, need to be fixed readout: <a href="https://logbooks.jlab.org/entry/4254775">https://logbooks.jlab.org/entry/4254775</a>. Steve is working on that <a href="https://logbooks.jlab.org/entry/4254934">https://logbooks.jlab.org/entry/4254934</a></p>
<p>=> Escorted access to the hall. Techs trying to clean the wheels??</p>
<p>Plans for this week (Charles Hyde)<br />
-----------------------------------------------<br />
1) Around noon on Friday(02.23) we will move to a new Hall-C NPS setting with the NPS calorimeter at 7.4 deg (SHMS 23.7 deg). </p>
<p>2) We request the following tune procedure for the NPS Sweep magnet correctors:<br />
2.1) The nominal expected corrector settings are Upstream=19Amp, Downstream=23Amp.<br />
2.2) Starting with the correctors at (0,0), find the lowest corrector settings that allow acceptable beam transport to the dump with the Sweep Magnet at 468 Amp.</p>
<p>3) Find the maximal corrector currents (roughly within the range of the nominal settings) that allow acceptable beam transport to the dump with the Sweep Magnet at<br />
468 Amp.</p>
<p>4) Depending upon the outcome, we will likely take a set of short runs on LH2 and/or LD2 to select which corrector setting minimizes background for our ~week-long<br />
production run. <a href="https://hallcweb.jlab.org/wiki/index.php/Short_Term_Run-Plan">https://hallcweb.jlab.org/wiki/index.php/Short_Term_Run-Plan</a></p>
<p>Link to 11:00 RC meeting<br /><a href="https://jlab-org.zoomgov.com/j/1617015555?pwd=L09IQ216dml6ZmM5ODExVjFsMX">https://jlab-org.zoomgov.com/j/1617015555?pwd=L09IQ216dml6ZmM5ODExVjFsMX</a><br />
Meeting ID: 161 701 5555<br />
Passcode: 288953</p>
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