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</style><article id="node-1132756" 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/4059720" rel="bookmark">RC run plan for 15 October - 16 October</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4059720/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4059720/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/4059720" class="lognumber" data-lognumber="4059720">4059720</a>. Submitted by <a href="https://logbooks.jlab.org/user/pking">pking</a> on <time datetime="2022-10-15T15:02:11-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1665856931&end_date=1665864131&book=HALOG">Sat, 10/15/2022 - 15:02</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-10-15T15:59:38-0400" pubdate="pubdate">Sat, 10/15/2022 - 15:59</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>References: </th><td><a href="https://logbooks.jlab.org/entry/4059700">4059700 - RC update, 15 October</a></td></tr></table></div>
<div class="logentry node-content">
<p>Run plan for 15OCT swing shift through 16OCT day shift. {As updated at 15:58 on 15 October}</p>
<p>1) Harp scans at 1H01, 1H04A, 1H04B to check beam spot size<br />
2) Move to the carbon hole target. Take a series of four runs at 2uA centered at ~1.25mm from nominal center in each of +/-X and +/-Y to see the carbon hole move and verify centering. Take a run at the nominal center location.<br />
3) Turn raster off. Start a CODA run (and parity run) on target out with 5uA, and then do a bullseye scan. Start at our nominal center (X=0.0, Y=-0.5), and go to (+2.0, -2.5), (+2.0, +1.5), (-2.0, +1.5), (-2.0, -2.5), then return to (0.0, -0.5). End the runs.<br />
4) Take target out.<br />
5) Turn on SBS to 100%. OPS will need to set the correctors and check steering on the dump. Adjust the target field direction. Change the BBCal HV as described in <a href="https://logbooks.jlab.org/entry/4058589">https://logbooks.jlab.org/entry/4058589</a><br />
6) Move to the carbon hole target. Take a 5uA run at the nominal center location to verify centering hasn't shifted.<br />
7) Move to carbon optics target at nominal center, take a 5uA run to check raster uniformity<br />
8) Go to target out, and try to ramp the beam current up as high as it can go with reasonable trip rates. We would like to reach a maximum of 30uA.<br />
9) Do a BCM calibration with target out<br />
10) Take a run on the evacuated reference cell to check scraping at 10uA and one at 20uA.<br />
11) Go to the He-3 cell. Step the current up "slowly" to a maximum of 20uA. Take data. When we start taking data on the He-3 cell, call the GEM expert and switch to the GEnII-3Stream run type.</p>
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