[Hallc_running] [New Logentry] RC Report: Thursday, August 11
mdiefent at jlab.org
mdiefent at jlab.org
Thu Aug 11 18:05:01 EDT 2022
Logentry Text:
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<p><strong><span style="font-family: Helvetica; font-size: 12px;">From Leak to Leak: RC Report August 10-11 </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><span style="font-family: Helvetica; font-size: 12px;"> </span></strong></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Maintenance Day on August 11: A summary of the activities can be found on: </span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4027458</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">During magnet inspections on August 11, an LCW leak was found at the MZA8R04 magnet (</span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4027628</span><span sty!
le="font-family: Helvetica; font-size: 12px;">)</span><span style="font-family: Helvetica; font-size: 12px;">. This delayed the beam restoration barely. </span></li></ul><p><span style="font-family: Helvetica; font-size: 12px;"> </span><br style="font-family: Helvetica; font-size: 12px;"><strong><span style="font-family: Helvetica; font-size: 12px;">Experimental Status</span></strong></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Vacuum valve issue (</span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4026960</span><span style="font-family: Helvetica; font-size: 12px;">) fully </span><span style="font-family: Helvetica; font-size: 12px;">addressed at end of the August 10 day shift.</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">SHMS Q2 and Q3: </span><span style="font-family: Helvetica; font-size: 12px;">!
Restored set points </span><span style="font-family: Helv!
etica; font-size: 12px;">for </span><span style="font-family: Helvetica; font-size: 12px;">LN2 levels (</span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4027317</span><span style="font-family: Helvetica; font-size: 12px;">).</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Work on AC and power supplies during Maintenance Day (</span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4027492</span><span style="font-family: Helvetica; font-size: 12px;">).</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li></ul><p><br style="font-family: Helvetica; font-size: 12px;"><strong><span style="font-family: Helvetica; font-size: 12px;">Data taking for the Pion-LT experiment (E12-19-006) </span></strong><span style="font-family: Helvetica; font-size: 12px;"><strong>with a beam energ!
y of 8.487 GeV</strong></span></p><ul><li><span style="font-family: Helvetica; font-size: 12px;">Collected sufficient statistics for the </span><span style="font-family: Helvetica; font-size: 12px;">Q2 = 2.45 GeV^2, W = 3.20 GeV, x = 0.21 middle epsilon setting.</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Currently taking data for the Q2 = 3.85 GeV^2, W = 3.07 GeV, x = 0.31 low epsilon setting.</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">In the current HMS and SHMS configuration, we are rate limited and aim for a beam current of 35-38 uA.</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li></ul><p><br style="font-family: Helvetica; font-size: 12px;"><strong><span style="font-family: Helvetica; font-size: 12px;">Planning</span><span style="font-family: Helvet!
ica; font-size: 12px;"> </span></strong></p><ul><li><span style="f!
ont-family: Helvetica; font-size: 12px;">Summary of run plan: </span><span style="font-family: Helvetica; font-size: 12px;">https://logbooks.jlab.org/entry/4027584</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">Starting from Sunday, August 14, we need volunteers for shifts: </span><span style="font-family: Helvetica; font-size: 12px;">https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-PIONLT-2022</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li><li><span style="font-family: Helvetica; font-size: 12px;">We will have a Hall C RC meeting on Friday, August 11, at 11:00 a.m. (EDT).</span><span style="font-family: Helvetica; font-size: 12px;"> </span></li></ul>
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