[Halla_running] [New Logentry] RC Daily Update

[covrig at jlab.org]

Logentry Text:
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<p><strong>Summary: </strong></p><ul><li>Last Moller measurement completed, Moller systematics and sign check done</li><li>About 0.75 of Raster Study completed, 0.25 left to do due to rater size restriction on Ca-40 and beam instabilities</li><li>CREX/Hall instrumentation has been behaving</li><li>ABU for the past 24h has been 45%</li></ul><p> </p><p> <strong>Notable events:</strong></p><p> Wed - Day</p><ul><li>Simona/Eric did our last Moller measurement efficiently, P(IHWP = OUT) = 87.3+/-0.17% and P(IHWP=IN) = 86.76+/-0.17%  https://logbooks.jlab.org/entry/3849466 https://logbooks.jlab.org/entry/3849477</li><li>Moller systematic studies and sign check</li><li>ABU 4.1h / BNA 1.3h / BANU 2.6h</li></ul><p>Wed - Swing</p><ul><li>Raster area and frequencies study, affected by MCC unable to deliver raster sizes below 2mm (OpsRestrictions allow down to 1mm) on Ca-40 and beam instabilities https://logbooks.jlab.org/entry/3850088</li><li>MCC was unable to l!
 ower the raster size on Ca-40 below 2mm due to FSD fault whenever the raster magnets were set below the current required for 2mm, hard coded software limit into the iochla</li><li>ABU 2h / BNA 5.3h / BANU 0.6h</li></ul><p>Thu - Owl</p><ul><li>Pretty good beam delivery overnight, high trip rate though </li><li>Production on Ca-48</li><li>ABU 4.4h / BNA 3.5h / BANU 0.1h</li></ul><p> </p><p><strong>Plans ahead</strong></p><ul><li>The Run Plan for the reminder of CREX (less than 24 h) is posted (and updated regularly) on https://prex.jlab.org/wiki/index.php/CREXAuxiliaryMeasurements-Aug2020 </li><li>If MCC can lower the raster size on Ca-40 then spend 1hour to complete the raster study (with good beam)</li><li>CREX data taking will end on Fri Sep 18 at 6am! Shifts cancelled after 6am Fri</li><li>Dave Meekins will take over the target, warm it up, inert the target chamber with dry N2 and leave it be until RadCon allows access to it, at which point the focus will b!
 e to recover the Ca targets and store them</li><li>Please let !
 me know if you need access to the Hall on Fri and going forward</li></ul><p> </p><p><strong>Notices </strong></p><ul><li>ABUs should be prorated if the MCC cannot deliver 150 uA in production mode on Ca48</li><li>Shift Leaders should count ABU/BNA/BANU by hand if in Counting Mode</li></ul><p> </p><p><strong>RC Daily Meeting at 3:30pm </strong></p><p>  BlueJeans calling instructions:</p><p>  Toll-Free Number (U.S.&  Canada):  888-240-2560</p><p>  International toll number:         408-740-7256</p><p>  Bluejeans CODE:                    256 205 934 </p><p>  Bluejeans link: https://bluejeans.com/256205934</p><p> </p>

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