[Halla_running] [Revised Logentry] RC Update - Nov 22

[chandan at jlab.org]

Logentry Text:
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Here are some notable things/issues that have happened since yesterday:
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<ul>
<li>The GEM experts performed HV scans for the SBS GEMs- <a href
="https://logbooks.jlab.org/entry/4224519"> Summary of GEM HV scan </a> </li>
<li>Bill performed few EPR calibrations. But, no luck to get a calibration constant. </li>
<li>Noticed the a-onl machines are super slow. This was linked to the computer center's Maintenance work. Thanks Ole for saving us.- <a href="https://logbooks.jlab.org/entry/4224621"> Super slow response from a-onl machines </a> </li>
<li> Bill Updated the XSOF and YSOF based on C-Hole data  - <a href ="https://logbooks.jlab.org/entry/4224534"> SOF updates </a> </li>
<li> Acquired two production runs (6325 and 6326) before starting Moller measurement.  </li>
<li> Updated BPM XSOF and YSOF for the new target - <a href="https://logbooks.jlab.org/entry/4223908"> New Position locks </a> </li>
<li> Don Jones performed Moller polarization measurement. Average polarization is  71.69+/-0.21% - <a href ="https://logbooks.jlab.org/entry/4224631"> Moller summary</a> </li>
<li> Don noticed some temperature alarm with the Moller magnet <a href ="https://logbooks.jlab.org/entry/4224730"> Moller magnet temperature alarm. </a> </li>
<li> There was a DAQ issue last night too with the SBS GEMROC. Eric fixed it himself <a href="https://logbooks.jlab.org/entry/4224786"> DAQ issue </a> </li>
<li> When the shift workers completed the beam recovery procedure to start production after the Moller measurement, MCC had a RF issue with 1L05-8 - leading to no beam overnight.  - <a href="https://logbooks.jlab.org/entry/4224844"> Overnight down time </a> </li>
<li> The day shift workers started their shift by resuming production data taking. We will continue production till Monday morning when we will change the polarities of the SBS and BB magnets.</li>
</ul>

<ul>

<li> <FONT COLOR=" #ff0000"> Significant pending issue: EPR measurement to extract the calibration constant. </li>
<li> <FONT COLOR=" #ff0000"> Many Shifts are empty over the holiday weekend. This needs immediate attention. </li>
</ul>

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Here are the last three shift summaries from <a href="https://logbooks.jlab.org/entry/4224243"> yesterday's day </a>, <a href="https://logbooks.jlab.org/entry/4224524"> yesterday's swing </a>, and <a href="https://logbooks.jlab.org/entry/4224721"> and today's owl </a>.

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Thanks to all the people who signed up for the shifts on short notice.
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There are still a couple of open slots. Please consider signing up for those open slots.
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<a href="https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=SBS-GEn-2022"> Shift Sign-up page </a>


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We will have a regular RC meeting at 3:30 pm today in the CH conference room.
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People can join remotely via:
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<a href="https://jlab-org.zoomgov.com/j/1616220064"> Zoom link </a>
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Meeting ID: 161 622 0064
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Passcode: 314159
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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4224989
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