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</style><article id="node-1195437" 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/4122400" rel="bookmark">RC Report 2-2-23</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4122400/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4122400/delete?destination=email/send">Delete</a></li></ul></div>
<div class="date-vitals">
<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4122400" class="lognumber" data-lognumber="4122400">4122400</a>. Submitted by <a href="https://logbooks.jlab.org/user/rmontgom">rmontgom</a> on <time datetime="2023-02-02T10:18:10-0500" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1675347490&end_date=1675354690&book=HALOG">Thu, 02/02/2023 - 10:18</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2023-02-02T10:39:04-0500" pubdate="pubdate">Thu, 02/02/2023 - 10:39</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">
<p>RC handover happened during maintenance day after target team had performed an EPR/NMR calibration and there were several short controlled accesses. Many thanks to David for his RC efforts and a very helpful RC handover.</p>
<p>Hall was put in beam permit at 17:00. There were issues with the beam, throughout the night, and this is still on-going. Ramping up current to Hall A has been causing BLM trips. Operations are investigating this issue further this morning.</p>
<p>We started beam recovery at end of swing shift, although this got paused due to beam issues. Unfortunately our owl SL could not get access to the accelerator site or CEBAF when coming onto shift last night, despite all training being up to date and CANS system saying cleared for accelerator access. I'm going to send a separate reminder email about badges and access for shifts shortly. Sebastian Seeds was able to come in and cover on short - thank you so much Sebastian, we really appreciate it.</p>
<p>We tried to restore beam into the Hall during owl but we had to backout at roughly 4am due to beam being taken away.</p>
<p>Today operations are investigating the BLM trips and hope to start sending beam back shortly. At which point we will re-start beam checkout.</p>
<p>Run plan:<br />
Re-establish beam into the Hall using the full procedure following machine tuning.<br />
Once beam is established continue with 45uA production running on polHe3, with 4hourly NMRs.<br />
TOs - please note the information about performing an NMR if magnet conditions have changed.</p>
<p>Special requests:<br />
We are looking for a couple of opportunistic escorted accesses when beam is next down for a prolonged period.<br />
- SBS GEM cable fix<br />
- Target oven heater check, Bill noted some odd RTD behaviour and oven behaviour that target team would like to check (see <a href="https://logbooks.jlab.org/entry/4121943">https://logbooks.jlab.org/entry/4121943</a>, <a href="https://logbooks.jlab.org/entry/4122326">https://logbooks.jlab.org/entry/4122326</a>)</p>
<p>Shift schedule:<br />
There is an open TO slot for this Sunday Swing (2/5/23). Please sign up if you can.</p>
<p>Meeting:<br />
Let's meet at 3.30pm today (upstairs in the counting house) or on zoom:<br /><a href="https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX">https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZX</a>...<br />
Meeting ID: 161 903 2184<br />
Passcode: 260715</p>
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