[Halla_running] [New Logentry] RC daily Report - Dec 4th, 2022

[xbai at jlab.org]

Logentry Text:
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<h1><span id="RC_Meeting_Information" class="mw-headline">RC Meeting Information</span></h1><p>Data taking has been smooth. No RC meeting for today, Have a nice weekend!</p><h1><span id="Announcement" class="mw-headline">Announcement</span></h1><p>Bill Henry will host a target training session on next Monday after the RC meeting. We have lots of TO shifts open; please take the chance to join the session</p><h1><span id="Current_Status" class="mw-headline">Current Status</span></h1><ul><li>Smooth production run on He3 target @ 36 uA. No big interruptions.</li><li>NMR polarization - 46.8% (rough) at the time of this log entry</li><li>During Saturday Swing shift, MCC temporarily dropped us to 30 uA due to RF instability issue, I checked with MCC, and confirmed that this is only temporary, as long as they have better RF stability, they will bring us back to 36 uA.</li><li>Jiwan, Alexander, Bryan and Ben traceing the cause of the HCal f1TDC 1 & 4 timing shift issue (see a log!
  <a class="external free" href="https://logbooks.jlab.org/entry/4095193" rel="nofollow">https://logbooks.jlab.org/entry/4095193</a> ). Up to now, this issue only shows up in a single run 3005. Jiwan put specific instructions on what to do when we encounter this issue again. We will keep an eye on it.</li><li>There are a few runs with 50 K replay missing SBS GEMs plots due to the oversized pdf file, which blocked them from being posted to the logbook. Sean reduced the pdf file size by removing a few histograms. The later runs seem fine since then.</li><li>For future shift takers, MCC gave us an option for checking beam restoration status. Please check a detailed description in a log by Iuliia [  <a class="external free" href="https://logbooks.jlab.org/entry/4094990" rel="nofollow">https://logbooks.jlab.org/entry/4094990</a>  <a class="external free" href="https://logbooks.jlab.org/entry/4095153" rel="nofollow">https://logbooks.jlab.org/entry/4095153</a>  ]</li!
 ><li>Target group increased laser power from 144 W to 155 W, p!
 lease see a summary log entry by Jack ( <a class="external free" href="https://logbooks.jlab.org/entry/4095195" rel="nofollow">https://logbooks.jlab.org/entry/4095195</a> )</li><li>Paul ran the charge asymmetry feedback briefly during run 10038, please see log entries by Paul ( <a class="external free" href="https://logbooks.jlab.org/entry/4095262" rel="nofollow">https://logbooks.jlab.org/entry/4095262</a> <a class="external free" href="https://logbooks.jlab.org/entry/4095247" rel="nofollow">https://logbooks.jlab.org/entry/4095247</a> <a class="external free" href="https://logbooks.jlab.org/entry/4094291" rel="nofollow">https://logbooks.jlab.org/entry/4094291</a> )</li><li>No major issue in OWL shift</li><li>Sunday morning, MCC brought us back to 36 uA beam</li></ul><h1><span id="Short_Term_Run_Plan" class="mw-headline">Short Term Run Plan</span></h1><ul><li>Continue production run on He3 target, 36 uA</li><li>Use GEnII-3stream DAQ config</li><li>Use ps3=0, ps5=6, others =-!
 1</li><li>BBCal threshold at -366 mV, HCal threshold at -19 mV</li><li>NMR measurement every 2 hours</li></ul><h1><span id="Current_Issues" class="mw-headline">Current Issues</span></h1><ul><li>BB Hodoscope: channel 0R - 15R missing in the 50K replay [ <a class="external free" href="https://logbooks.jlab.org/files/2022/12/4093673/summaryPlots_2966_BBTH.pdf" rel="nofollow">https://logbooks.jlab.org/files/2022/12/4093673/summaryPlots_2966_BBTH.pdf</a> ]</li><li>One APV malfunction, not a big problem</li></ul><h1><span id="Planned_Accesses_to_the_Hall" class="mw-headline">Planned Accesses to the Hall</span></h1><ul><li>Will try to arrange an escorted access for fixing hodoscope when we have a long beam down ( longer than 1 hour).</li></ul><h1><span id="Special_Requests" class="mw-headline">Special Requests</span></h1><ul><li>None</li></ul><h1><span id="Notices_in_Effect_for_Shift_Crew" class="mw-headline">Notices in Effect for Shift Crew</span></h1><ul><li>Power down SBS, BB, !
 and Detector HV before making an access to the Hall</li></ul><p> <!
 /p>

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