[Hallc_running] [New Logentry] RC Report: Monday, November 22

mdiefent at jlab.org mdiefent at jlab.org
Mon Nov 22 18:00:03 EST 2021


Logentry Text:
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<p><strong><span style="font-family: Helvetica; font-size: 12px;">Accelerator Status </span></strong></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Beam delivery interrupted for about 3h for work on 4th pass separator (https://accweb.acc.jlab.org/dtm/all-events?qualified=true&incidentId=9597, https://logbooks.jlab.org/entry/3948246). A more detailed report on today’s work and next steps will be shared. </span></li></ul><p><span style="font-family: Helvetica; font-size: 12px;"><br></span></p><p><strong><span style="font-family: Helvetica; font-size: 12px;">Experimental Status </span></strong></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Data taking for the Pion-LT experiment (E12-19-006) in the SHMS center position of 6.60 degrees completed. </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Since 4:00 a.m. (EST), continue data taking in the SHMS center position of 8.60 degrees. </span!
 ></li><li><span style="font-family: Helvetica; font-size: 12px;">Since then, we have collected 2890 p(e,e′π+)n coincidences and in total 15299 p(e,e′π+)n coincidences. </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Problems with SHMS HB interlock (https://logbooks.jlab.org/entry/3948067). 45 minutes down. </span></li></ul><div style="font-family: Helvetica; font-size: 12px;"><div> </div><strong>Planning </strong><br><ul><li>Per request from Hall A, we aim for the pass change on Tuesday swing. The final decision will be made tomorrow morning during the 7:45 a.m. (EST) meeting. </li><li>We will have a Hall C RC meeting on Tuesday, Novemer 23, at 10:00 a.m. IEST) to discuss the updates on the RF separator. </li><li>During pass change: </li><ul><li>Replacement of all older low voltage supplies (https://logbooks.jlab.org/entry/3947151). </li></ul><li>Open issue: </li><ul><li>Magnet expert "on call" not re!
 sponsive. </li><li>Work on NMR multiplexer (ongoing discu!
 ssion).</li></ul></ul></div>

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