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</style><article id="node-1172994" 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/4099957" rel="bookmark">RC Daily Report Dec 11th, 2022</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4099957/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4099957/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/4099957" class="lognumber" data-lognumber="4099957">4099957</a>. Submitted by <a href="https://logbooks.jlab.org/user/ericking">ericking</a> on <time datetime="2022-12-11T11:15:30-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1670771730&end_date=1670778930&book=HALOG">Sun, 12/11/2022 - 11:15</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-12-11T15:57:41-0500" pubdate="pubdate">Sun, 12/11/2022 - 15:57</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">
<h2><strong><span style="color: blue;">==> Updated at end of Day shift <==<br /></span></strong></h2><h1><strong><span style="color: red;">(NO SUNDAY MEETING)</span></strong> RC Meeting Information</h1><p>Since there were no major events and no one asked for a meeting there will be no Sunday RC Meeting. Summary from Saturday SWING until now given below.</p><h1><span id="Shift_Schedule" class="mw-headline">Shift Schedule</span></h1><p><a class="external text" href="https://misportal.jlab.org/mis/physics/shiftSchedule/?experimentRunId=SBS-GEn-2022" rel="nofollow">Link to Schedule</a></p><h4><span id="Until_Shutdown" class="mw-headline">Until Shutdown</span></h4><p>All shifts are full! :)</p><h1><span id="Accelerator_Status" class="mw-headline">Accelerator Status</span></h1><ul><li>Accelerator was down at the end of OWL for about seventy minutes (75) at the end of OWL. [DT Event ID: 17471]</li><li>Accelerator was down at the end of SWING beginning of OWL for a total of two (2) hours. [DT Event ID: 17452]</li><li>Hall C valve/vacuum repair is complete; they're coming back online Tuesday; they will be priority hall next week.</li></ul><h1><span id="Current_Status" class="mw-headline">Current Status</span></h1><p>Taking production data on 3-He</p><h4><span id="Shift_Summaries" class="mw-headline">Shift Summaries</span></h4><ul><li><a class="external text" href="https://logbooks.jlab.org/entry/4099546" rel="nofollow">SUNDAY DAY SHIFT SUMMARY (Ongoing)</a></li><li><a class="external text" href="https://logbooks.jlab.org/entry/4099796" rel="nofollow">SUNDAY OWL SHIFT SUMMARY</a></li><li><a class="external text" href="https://logbooks.jlab.org/entry/4099657" rel="nofollow">SATURDAY SWING SHIFT SUMMARY</a></li></ul><h4><span id="Things_That_Happened" class="mw-headline">Things That Happened</span></h4><ul><li>HH Hodoscope voltages dropped. Shift leader notified me around 5:30am. Resolved over phone. <a class="external text" href="https://logbooks.jlab.org/entry/4099867" rel="nofollow">[4099867</a>]</li><li>Scalar helicity graph from run 3191 showed all zeros. <a class="external text" href="https://logbooks.jlab.org/entry/4099876" rel="nofollow">[4099876</a>]<ul><li>SL did not immediately notify me but resolved on own; unfortunately, the 50K replay was not looked at immediately.</li><li>SL had already proceeded with what I would have suggested and was told to notify me if the solution didn't work when beam was restored.</li></ul></li></ul><h4><span id="Beam_Current" class="mw-headline">Beam Current</span></h4><p>We've been happily running at 40uA.</p><ul><li>I asked Sebastian to make a record of the ramp rates over the course of the past 8 hours during Saturday SWING and he went an extra step. <a class="external text" href="https://logbooks.jlab.org/entry/4099752" rel="nofollow">[4099752</a>]<ul><li>Bill has taken this further and created a strip chart that tracks this continually that seems to work very nicely. <a class="external text" href="https://logbooks.jlab.org/entry/4099956" rel="nofollow">[4099956}</a></li></ul></li></ul><h4><span id="Target" class="mw-headline">Target</span></h4><p>Target polarization has been stable. List of the recent polarizations</p><ul><li>SUN 14:04 → 41.6% <a class="external text" href="https://logbooks.jlab.org/entry/4099992" rel="nofollow">[4099992</a>]</li><li>SUN 11:23 → 41.9% <a class="external text" href="https://logbooks.jlab.org/entry/4099960" rel="nofollow">[4099960</a>]</li><li>SUN 07:23 → 43.0% <a class="external text" href="https://logbooks.jlab.org/entry/4099898" rel="nofollow">[4099898</a>]</li><li>SUN 03:15 → 41.9% <a class="external text" href="https://logbooks.jlab.org/entry/4099832" rel="nofollow">[4099832</a>]</li><li>SAT 23:30 → 42.6% <a class="external text" href="https://logbooks.jlab.org/entry/4099768" rel="nofollow">[4099768</a>]</li><li>SAT 20:30 → 41.2% <a class="external text" href="https://logbooks.jlab.org/entry/4099730" rel="nofollow">[4099730</a>]</li><li>SAT 17:00 → 40.6% <a class="external text" href="https://logbooks.jlab.org/entry/4099678" rel="nofollow">[4099678</a>]</li></ul><p>Bill noticed that the wrong laser software was running on polhe1; he corrected the issue. <a class="external text" href="https://logbooks.jlab.org/entry/4100010" rel="nofollow">[4100010</a>]</p><h1><span id="Issues_Resolved" class="mw-headline">Issues Resolved</span></h1><ul><li>Bill Henry has resolved the communication issue regarding the Moller HH magnet. Thank you, Bill. <a class="external text" href="https://logbooks.jlab.org/entry/4099942" rel="nofollow">[4099942</a>]<ul><li>The remaining alarm handler issue is the unused GEMs. Bill spoke with Zeke about this and they agreed to bring the topic up in Monday's RC Meeting.</li></ul></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, 40 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><p>None</p><h1><span id="Special_Requests" class="mw-headline">Special Requests</span></h1><p><em><strong><span style="text-decoration: underline;">Please email me</span></strong></em> ericking (@jlab.org or @temple.edu) if there's something to be added.</p><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>77 out of 141 days (~54.6%)</li><li>(NEEDS TO BE UPDATED) Total uncorrected accumulated charge on He3: 53.937 C out of 232C (23.25%)<ul><li>2-Pass: 13.467 C</li><li>3-Pass: 40.470 C (@ end of SUNDAY DAY)</li></ul></li></ul></div>
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