[Hallc_running] [New Logentry] RC Report: Wednesday, November 25

[mdiefent at jlab.org]

Logentry Text:
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<div class="ApplePlainTextBody" style="font-family: Helvetica; font-size: 12px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"><strong>Accelerator Status </strong><br><div><ul class="MailOutline"><li>Beam positions: Mismatch in a vertical corrector addressed (https://logbooks.jlab.org/entry/3950078). </li></ul></div><div> </div><strong>Experimental Status</strong></div><div class="ApplePlainTextBody" style="font-family: Helvetica; font-size: 12px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"><ul class="MailOutline"><li>SHMS Dipole LHe levels dropped (https://logbooks.jlab.org/entry/3950412) and stabilized shortly after (https://logbooks.jlab.org/entry/3950440). </li></ul></div><div class="ApplePlainTextBody" style="font-family: Helvetica; font-size: 12px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"> </div><div cl!
 ass="ApplePlainTextBody" style="font-family: Helvetica; font-size: 12px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"><strong>Data taking for the Pion-LT experiment (E12-19-006): </strong><div><ul><li>We have started with 4-pass running at a beam energy of 7.937 GeV. </li><li>We are taking data in the low epsilon SHMS right setting with a beam current of 26uA (https://logbooks.jlab.org/entry/3950360, https://logbooks.jlab.org/entry/3950367) and a LD2 target. </li><li>Coincidence rates three times lower than estimated: </li><ul><li>Studies ongoing, e.g., https://logbooks.jlab.org/entry/3950426. </li><li>Widened cuts (https://logbooks.jlab.org/entry/3950381). </li><li>Will change to the low epsilon SHMS right LD2 setting during the swing shift and compare the rates between the SHMS right setting and the SHMS center setting. </li></ul></ul></div><div class="ApplePlainTextBody" styl!
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 ord; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"><strong><br></strong></div><div class="ApplePlainTextBody" style="font-family: Helvetica; font-size: 12px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" dir="auto"><strong>Planning </strong></div><div><ul class="MailOutline"><li>We will have a Hall C RC meeting on Friday, November 26, at 10:00 a.m. (EST) to compare the coincidence rates in the right and center settings for the SHMS and discuss possible modifications to the run plan. </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/3950467
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