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</style><article id="node-1171629" 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/4098592" rel="bookmark">RC Daily Report Dec 8th, 2022</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4098592/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4098592/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/4098592" class="lognumber" data-lognumber="4098592">4098592</a>. Submitted by <a href="https://logbooks.jlab.org/user/ericking">ericking</a> on <time datetime="2022-12-08T09:22:30-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1670505750&end_date=1670512950&book=HALOG">Thu, 12/08/2022 - 09:22</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-12-08T09:39:55-0500" pubdate="pubdate">Thu, 12/08/2022 - 09:39</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>ericking</td></tr></table></div>
<div class="logentry node-content">
<p><span>Wiki: <a href="https://sbs.jlab.org/wiki/index.php/RC_meeting_and_Run_Plan,_Thursday_December_8th">https://sbs.jlab.org/wiki/index.php/RC_meeting_and_Run_Plan,_Thursday_December_8th</a></span></p><h1><span id="RC_Meeting_Information" class="mw-headline">RC Meeting Information</span></h1><ul><li>Current RC: Eric King</li></ul><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="Shift_Schedule" class="mw-headline">Shift Schedule</span></h1><ul><li><a class="external free" href="https://misportal.jlab.org/mis/physics/shiftSchedule/?experimentRunId=SBS-GEn-2022" rel="nofollow">https://misportal.jlab.org/mis/physics/shiftSchedule/?experimentRunId=SBS-GEn-2022</a></li><li>Next empty shift is a Target Operator shift on Sunday 12/11.</li><li>Besides that there are six (6) remaining shifts to be filled until winter shutdown; I'm sure Andrew would like them filled asap so he doesn't have to chase down any shift workers.</li></ul><h1><span id="Accelerator_Status" class="mw-headline">Accelerator Status</span></h1><ul><li>Everything appears to be running smoothly at the moment.</li><li>Hall C is down for about a week due to a vacuum break.</li></ul><h1><span id="Current_Status" class="mw-headline">Current Status</span></h1><ul><li>The experiment was back up and running yesterday evening by 8PM. :)<ul><li>Beam restoration went smoothly with a beam width of ~330 x ~320. <a class="external text" href="https://logbooks.jlab.org/entry/4098298" rel="nofollow">[4098298</a>]</li><li>Bill's carbon hole analysis looks fine. <a class="external text" href="https://logbooks.jlab.org/entry/4098365" rel="nofollow">[4098365</a>] <a class="external text" href="https://logbooks.jlab.org/entry/4098360" rel="nofollow">[4098360</a>]</li></ul></li><li>Poor GEM track efficiency, alignment needed for analysis. Last spoke with Zeke at around 1:30AM'ish and he will continue working on alignment this morning after collaborating with other GEM experts. <a class="external text" href="https://logbooks.jlab.org/entry/4098462" rel="nofollow">[4098462</a>] <a class="external text" href="https://logbooks.jlab.org/entry/4098439" rel="nofollow">[4098439</a>] <a class="external text" href="https://logbooks.jlab.org/entry/4098413" rel="nofollow">[4098413</a>] <a class="external text" href="https://logbooks.jlab.org/entry/4098062" rel="nofollow">[4090862</a>]</li><li>Accelerator has agreed to support a Møller measurement during Friday DAY.<ul><li>Accelerator last time didn't get started until about 9:30'ish. Target Operator still required. Shift leader should still come in as of now.</li></ul></li></ul><h1><span id="Issues_Resolved" class="mw-headline">Issues Resolved</span></h1><ul><li>Beam ramp step size issue -- I wasn't clear on the resolution of this as I was out of email chains so here is a record of the ELOGs</li><li>Regarding the fix <a class="external text" href="https://logbooks.jlab.org/entry/4097297" rel="nofollow">[4097297</a>]<blockquote><div><em>"The chosen fix was to adjust the BCM records on iocbcm to force them to issue channel access updates every second. The default was to not send updates when the value was unchanged. This has been done for IBC1H04CRCUR2, IBC3H00CRCUR4, and IBCAD00CRCUR6 which are used by current locks. IBC0L02Current was also changed at the request of I&C."</em></div></blockquote></li><li>Attenuator was working fine <a class="external text" href="https://logbooks.jlab.org/entry/4098105" rel="nofollow">[4098105</a>]</li></ul><h1><span id="Issues_remaining" class="mw-headline">Issues remaining</span></h1><ul><li>BB GEM APV unreachable and cannot be repaired at this time.</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="Planned_Accesses_to_the_Hall" class="mw-headline">Planned Accesses to the Hall</span></h1><ul><li>I presume that repairs for the BB GEM APV will wait until shutdown.</li></ul><h1><span id="Special_Requests" class="mw-headline">Special Requests</span></h1><ul><li>None of which I'm aware, please email me ericking (@jlab.org or @temple.edu) if there's something to be added.</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><h1><span id="Data_Collection_Status" class="mw-headline">Data Collection Status</span></h1><ul><li>74 out of 141 days (~52.5%)</li><li>Total uncorrected accumulated charge on He3: 47.020 C out of 232C (20.26%)<ul><li>2-Pass: 13.467 C</li><li>3-Pass: 33.553 C (at end of OWL)</li></ul></li></ul><p> </p> </div>
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