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<article id="node-1429137" class="node node-logentry article ia-n clearfix" role="article">
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<a href="https://logbooks.jlab.org/entry/4356077" rel="bookmark">RC Report 14 April 2025</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/4356077" class="lognumber" data-lognumber="4356077">4356077</a>. Submitted by <a href="https://logbooks.jlab.org/user/hauenst">hauenst</a> on <time datetime="2025-04-14T10:41:27-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1744638087&end_date=1744645287&book=HCLOG">Mon, 04/14/2025 - 10:41</a></time>. </p>
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<tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr>
<tr><th>Entry Makers: </th><td>hauenst</td></tr>
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<p>RC Report 14 April 2025</p>
<p>Pretty good weekend to report when we had beam.<br />
On Friday Day we had RF recovery and maintenance. Some check were done on IHA3H07B harp as well the LAD reference bar was checked. During Swing Holly investigated the gas window entrance of the GEMs (<a href="https://logbooks.jlab.org/entry/4353752">https://logbooks.jlab.org/entry/4353752</a>). No issues were found.<br />
When beam came back it was nicely centered (<a href="https://logbooks.jlab.org/entry/4353735">https://logbooks.jlab.org/entry/4353735</a>).<br />
We continued with data taking at 0.3uA on LD2. </p>
<p>Saturday Day was mostly without beam. We got it back during swing and took some runs with different trigger setup. Otherwise production on LD2 with 0.3uA. During Sunday owl, we had 2 HMS Q3 trips which were recovered by the shift crew. Since then we run smoothly with mostly on LD2. We had some special runs on +/-10cm optics target yesterday to understand better GEM tracking.</p>
<p>We still have open shifts starting from Wednesday on.</p>
<p>We will have the regular RC meeting, at 2:30pm EDT. Online information here -> <a href="https://logbooks.jlab.org/entry/4346862">https://logbooks.jlab.org/entry/4346862</a></p>
<p>SHIFT SUMMARIES:<br />
- Friday Swing: <a href="https://logbooks.jlab.org/entry/4353751">https://logbooks.jlab.org/entry/4353751</a><br />
- Saturday Owl: <a href="https://logbooks.jlab.org/entry/4354008">https://logbooks.jlab.org/entry/4354008</a><br />
- Saturday Day: <a href="https://logbooks.jlab.org/entry/4354183">https://logbooks.jlab.org/entry/4354183</a><br />
- Saturday Swing: <a href="https://logbooks.jlab.org/entry/4354445">https://logbooks.jlab.org/entry/4354445</a><br />
- Sunday Owl: <a href="https://logbooks.jlab.org/entry/4355066">https://logbooks.jlab.org/entry/4355066</a><br />
- Sunday Day: <a href="https://logbooks.jlab.org/entry/4355168">https://logbooks.jlab.org/entry/4355168</a><br />
- Sunday Swing: <a href="https://logbooks.jlab.org/entry/4355543">https://logbooks.jlab.org/entry/4355543</a><br />
- Monday Owl: <a href="https://logbooks.jlab.org/entry/4355981">https://logbooks.jlab.org/entry/4355981</a></p>
<p>RUN PLAN<br />
- Take data on LD2 at 0.3uA with GEM and LAD, DAQ setting: Production, During day shift take one data with only SHMS and HMS trigger respectively.</p>
<p>OPEN ISSUES<br />
- no NMR lock. Dave got a quick lock (<a href="https://logbooks.jlab.org/entry/4356028">https://logbooks.jlab.org/entry/4356028</a>)<br />
- Several HMS Q3 trips over the last days<br />
- SHMS angle encoder position is wrong<br />
- Define analysis cuts to estimate counts<br />
- GEM tracking (<a href="https://logbooks.jlab.org/entry/4355541">https://logbooks.jlab.org/entry/4355541</a>)</p>
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