[Hallc_running] [New Logentry] RC Report: Tuesday, August 16
mdiefent at jlab.org
mdiefent at jlab.org
Tue Aug 16 19:10:01 EDT 2022
Logentry Text:
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<p><strong><span style="font-family: Helvetica; font-size: 12px;">Down: RC Report August 15-16</span></strong><br style="font-family: Helvetica; font-size: 12px;"><br style="font-family: Helvetica; font-size: 12px;"><strong><span style="font-family: Helvetica; font-size: 12px;">Accelerator Status </span></strong></p><div style="font-family: Helvetica; font-size: 12px;"><ul><li>Work on pass change for beam energy of 6.399 GeV completed during day shift (https://logbooks.jlab.org/entry/4029844). </li><li>Accelerator down since 2:20 p.m. (EDT, https://cebaf.jlab.org/dtm/open-events?event_id=16800CEBAF):<em> “This level of work requires extensive coordination and, as such, it was decided that it should be delayed until the morning.” </em></li></ul></div><div style="font-family: Helvetica; font-size: 12px;"><br><strong>Experimental Status</strong><br><div><ul><li>Encoder errors while rotating SHMS (https://logbooks.jlab.org/entry/4029747). Fixed by Joe Bea!
ufait and Steve Lassiter during pass change (https://logbooks.jlab.org/entry/4029808). </li></ul></div><br><strong>Data taking for the Pion-LT experiment (E12-19-006)</strong><br><div><ul><li>We completed data taking with a beam energy of 8.487 GeV (Pion-LT Run Plan - Part 2) at the beginning of the day shift. </li><li>We are ready to take data with a beam energy of 6.399 GeV (Pion-LT Run Plan - Part 3). The spectrometer is configured for the data taking in the Q2 = 1.45 GeV^2, W = 2.02 GeV, x = 0.3118, high epsilon setting. </li></ul></div><br><strong>Instructions for shift crew </strong><br><div><ul><li><strong>Regarding analysis in the current setting</strong>: Stephen shares advice on how to deal with data coming in fast: https://logbooks.jlab.org/entry/4029809 </li><li><strong>Regarding insulating vacuum alarms for the SHMS</strong>: Please read the instructions from Heidi Fansler: https://logbooks.jlab.org/entry/4028513 </li><li!
><strong>Regarding temperature alarms for HMS Q2 LH2</strong>:!
Please disregard the alarm for now: https://logbooks.jlab.org/entry/4029182 </li></ul></div><br><strong>Planning </strong><br><div><ul><li>Before we change the aerogel tray back to SP-11, we need to complete data taking for the Q2 = 1.45 GeV^2, W = 2.02 GeV, x = 0.3118, high epsilon setting. </li><li>Ideally, we also finish the fADC deadtime study at the current beam energy. </li><li>Starting from August 18, we need volunteers for shifts: https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-PIONLT-2022 </li><li>We will have a Hall C RC meeting on Wednesday, August 17, at 11:00 a.m. (EDT).</li></ul></div></div>
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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/4030026
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