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</style><article id="node-1294813" 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/4221766" rel="bookmark">Hall A RC report -Nov 17</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4221766/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4221766/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/4221766" class="lognumber" data-lognumber="4221766">4221766</a>. Submitted by <a href="https://logbooks.jlab.org/user/chandan">chandan</a> on <time datetime="2023-11-17T10:06:55-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1700230015&end_date=1700237215&book=HALOG">Fri, 11/17/2023 - 10:06</a></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>chandan</td></tr><tr><th>Attached Files: </th><td><div><span class="file"><img class="file-icon" alt="PDF icon" title="application/pdf" src="cid:ff846b4b95587632e5ba446f92cb9a9d@logbooks.jlab.org" /><a href="https://logbooks.jlab.org/files/2023/11/4221766/A_LL_run_plan.pdf" type="application/pdf; length=411145">A_LL_run_plan.pdf</a></span></div></td></tr></table></div>
<div class="logentry node-content">
<br /><br />
Here are some notable things/issues that have happened since yesterday:
<br /><br /><ul><li>Unfortunately, we didn't get authorization for the CW beam in Hall A yesterday swing - <a href="https://logbooks.jlab.org/entry/4221533"> Beam Authorization </a> </li>
<li>Even if we had beam authorization, there would not have been any beam in the hall overnight due to the 2L22 cryomodule issue - <a href="https://logbooks.jlab.org/entry/4221643"> 2L22 Cryomodule issue </a> </li>
<li>The SL for the last Swing and Owl shift were canceled. Today's Day's SL is in standby mode. TO reported since the last swing - the magnets and target LASER were on. Thanks to Jimmy, Eric, and Jackson for signing up for the shift on short notice.</li>
<li> Kate took cosmic runs with magnets on and produced HVs for production - <a href="https://logbooks.jlab.org/entry/4221624"> Production HV settings </a> </li>
<li> One hodoscope HV channel tripped -<a href="https://logbooks.jlab.org/entry/4221632"> (halog entry from Jimmy) </a> Gary is looking into it</li>
<li> Bill Henry performed a preliminary EPR calibration- <a href="https://logbooks.jlab.org/entry/4221721"> EPR from Bill </a> </li>
<li> A further look on EPR calibration by Jackson- <a href="https://logbooks.jlab.org/entry/4221724"> EPR from Jackson </a> </li>
<li> Hunter is at the CH to perform the FINAL EPR calibration </li>
</ul><br />
There are a couple of hours for work to pump ~180 gal of water from the swamp area in building 91 to a storage tank.
After that, we most likely get the Beam authorization in the hall.
<br />
Hopefully, by then the 2L22 cryomodule work will be complete.
<br />
We projected to start at some time in the swing at the earliest.
<ul><li> The run plan from the spokesperson is attached. </li>
<li> Hall C is planning to perform a Moller measurement either Saturday or Monday. MCC doesn't prefer simultaneous Moller measurements in Hall A and C. So, we have to plan accordingly for the Moller measurement.</li>
<li> Yesterday, I contacted Ellen regarding whether BB magnet polarity can be changed remotely or not - her answer was NO. So, we should plan accordingly when to change polarity. </li>
</ul>
Thanks to all the people who signed up for the shifts on short notice.
<br />
There are still a couple of open slots. Please consider signing up for those open slots.
<br /><a href="https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=SBS-GEn-2022"> Shift Sign-up page </a>
<br />
We will have a regular RC meeting at 3:30 pm today in the CH conference room.
<br />
People can join remotely via:
<br /><a href="https://jlab-org.zoomgov.com/j/1616220064">https://jlab-org.zoomgov.com/j/1616220064</a>
<br />
Meeting ID: 161 622 0064
<br />
Passcode: 314159
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