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</style><article id="node-1170254" 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/4097217" rel="bookmark">RC Daily Report - Dec 6th, 2022</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4097217/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4097217/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/4097217" class="lognumber" data-lognumber="4097217">4097217</a>. Submitted by <a href="https://logbooks.jlab.org/user/xbai">xbai</a> on <time datetime="2022-12-06T09:31:38-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1670333498&end_date=1670340698&book=HALOG">Tue, 12/06/2022 - 09:31</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog">HALOG</a></td></tr></table></div>
<div class="logentry node-content">
<h1><span id="RC_Meeting_Information" class="mw-headline">RC Meeting Information</span></h1><p><strong>Time: Daily at 3:30pm</strong></p><ul><li>Location: Counting house conference room</li></ul><ul><li>Join ZoomGov Meeting</li><li><a class="external free" href="https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX" rel="nofollow">https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX</a>...</li><li>Meeting ID: 161 903 2184</li><li>Passcode: 260715</li><li>Dial by your location</li><li>+1 669 254 5252 US (San Jose)</li><li>+1 646 828 7666 US (New York)</li><li>+1 551 285 1373 US</li><li>+1 669 216 1590 US (San Jose)</li><li>833 568 8864 US Toll-free</li><li>Find your local number: <a class="external free" href="https://jlab-org.zoomgov.com/u/acj3pTicMx" rel="nofollow">https://jlab-org.zoomgov.com/u/acj3pTicMx</a></li></ul><h1><span id="Accelerator_Status" class="mw-headline">Accelerator Status</span></h1><ul><li>RF recovery day on Wednesday day 8:00AM - 4:00PM</li><li>We requested RadCon support for controlled access already</li></ul><h1><span id="Current_Status" class="mw-headline">Current Status</span></h1><ul><li>We are continuing data taking on He3 target, 36 uA Beam, no major interruptions except a few DAQ crashes.</li><li>In order to have a more stable DAQ, we have now switched to GEnII-noSBSGEMs config, latency has been changed accordingly.</li><li>IHWP plate is now inserted [ <a class="external free" href="https://logbooks.jlab.org/entry/4096283" rel="nofollow">https://logbooks.jlab.org/entry/4096283</a> ], Paul did a charge asymmetry feedback after the ihwp was put in [ <a class="external free" href="https://logbooks.jlab.org/entry/4096365" rel="nofollow">https://logbooks.jlab.org/entry/4096365</a> ]</li><li>A huge beam current step change was notified by the MCC [ <a class="external free" href="https://logbooks.jlab.org/entry/4096883" rel="nofollow">https://logbooks.jlab.org/entry/4096883</a> ]. I spoke with Arun on the phone, Arun pointed out that this is unacceptable to us, per Arun's suggestion, we did an NMR measurement to make sure our target is still good, see [ <a class="external free" href="https://logbooks.jlab.org/entry/4096938" rel="nofollow">https://logbooks.jlab.org/entry/4096938</a> ]. This issue has been discussed today in the 7:45 RC meeting and 8:00 MCC meeting, unfortunately the reason for this is not confirmed yet. MCC is looking into this.</li><li>Target polarization is near max at present, which is good. Bill informed that we can do NMR measurement every 3 - 4 hours now, close to 4 hours is better.</li></ul><h1><span id="Short_Term_Run_Plan" class="mw-headline">Short Term Run Plan</span></h1><ul><li>Continue production run on He3 target, 36 uA</li><li>Use GEnII-noSBSGEMs DAQ config</li><li>Use ps3=0, ps5=6, others =-1</li><li>BBCal threshold at -366 mV, HCal threshold at -19 mV</li><li>NMR measurement every 3 - 4 hours, close to 4 hours is better</li></ul><h1><span id="Current_Issues" class="mw-headline">Current Issues</span></h1><ul><li>BB Hodoscope: channel 0R - 15R missing in the 50K replay [ <a class="external free" href="https://logbooks.jlab.org/files/2022/12/4093673/summaryPlots_2966_BBTH.pdf" rel="nofollow">https://logbooks.jlab.org/files/2022/12/4093673/summaryPlots_2966_BBTH.pdf</a> ]</li><li>One GEM APV malfunction, not a big problem ( <a class="external free" href="https://logbooks.jlab.org/entry/4094508" rel="nofollow">https://logbooks.jlab.org/entry/4094508</a> )</li></ul><h1><span id="Planned_Accesses_to_the_Hall" class="mw-headline">Planned Accesses to the Hall</span></h1><ul><li>RF recovery day on Wednesday</li><li>Access for hodoscope is in plan</li><li>Access for GEM BB APV will need a further evaluation see if it's necessary</li></ul><h1><span id="Special_Requests" class="mw-headline">Special Requests</span></h1><ul><li>None</li></ul><h1><span id="Notices_in_Effect_for_Shift_Crew" class="mw-headline">Notices in Effect for Shift Crew</span></h1><ul><li>Power down SBS, BB, and Detector HV before making an access to the Hall</li></ul><p> </p> </div>
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