[Prex] [New Logentry] RC Daily Update

[covrig at jlab.org]

Logentry Text:
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<p><strong>Summary: </strong></p><ul><li>For the last 24 h, Sat - Day, Sat - Swing and Sun - Owl, we've had pretty good beam delivery, except during Owl</li><li>CREX/Hall instrumentation has been behaving</li><li>24h ABU = 9.4h, BNA = 14.6h, efficiency 39.17%</li><li>Last 24h good charge 3.91 C</li><li>Total good charge to date 373.35 C (out of 467 C), 79.95% of proposal</li></ul><p> </p><p><strong>Notable events:</strong></p><p>Sat - Day</p><ul><li>9am IHWP = OUT</li><li>2:55pm MCC: replace Klystron in 1L17-2 https://logbooks.jlab.org/entry/3846701</li><li>ABU 5.1h / BNA 2.9h</li></ul><p>Sat - Swing</p><ul><li>6:55pm back in production from MCC down event from previous shift</li><li>10:45pm IHWP = IN</li><li>ABU 3.6h / BNA 4.4h</li></ul><p>Sun - Owl</p><ul><li>1:13am Acc down Chopper problem https://cebaf.jlab.org/dtm/open-events?event_id=8111</li><li>ABU 0.65h / BNA 7.35h</li></ul><p> </p><p><strong>Plans ahead</strong></p><ul><li>Hall C will go to 1st pass !
 starting on Fri Sep 18 at 6am, at which point CREX will say/sing: " Goodbye cruel world (of cebaf)/ I'm leaving you today (Friday)./ Goodbye, goodbye, goodbye./ Goodbye, all you (good MCC) people,/ There's nothing you can say/ To make me (CREX) change my mind./ Goodbye!" (addapted from Pink Floyd).</li><li>Beam studies on Mon Sep 14 will happen in two parts: part 1: 10am-noon Hall A in CA; noon - 4:15pm beam delivery; part 2: 4:15pm-8:15pm Hall in CA; 8:15pm-9:15pm recover beam and beam delivery</li><li>Tue Sep 15 Moller measurement starting at 8am, driven by Simona and Eric</li><li>CREX's (evolving) plan for the reminder of the run is posted on the prex wiki under Auxilliary Run Plan</li><li>There will be no RC meeting today,  have a good (what's left of it) weekend!</li></ul><p> </p><p><strong>Notices </strong></p><ul><li>ABUs should be prorated if the MCC cannot deliver 150 uA</li></ul>

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