[Halla_running] [New Logentry] RC Daily Update

[covrig at jlab.org]

Logentry Text:
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<p><strong>Summary: </strong></p><ul><li>11+ hours of recovery from cold box trip in CHL1 which brought down the South Linac (SL)</li><li>MCC unsuccessful steering through Compton in 2.5 hours, overnight production bypassed the Compton</li><li>CREX/Hall instrumentation has been behaving</li><li>ABU for the past 24h has been 22.5%</li></ul><p> </p><p><strong>Notable events:</strong></p><p>Tue - Day</p><ul><li>No beam, SL recovery https://logbooks.jlab.org/entry/3848839</li><li>ABU 0h / BNA 8h / BANU 0h</li></ul><p>Tue - Swing</p><ul><li>Once beam started to be available steering through the Compton chicane aggrieves the MCC for 2.5 hours, PD decides it's either beam off for A or straight through delivery; we take straight delivery https://logbooks.jlab.org/entry/3849127</li><li>While on Ca-48 beam raster setpoints correct, raster magnets currents wrong, Ops forgot to press "enter" https://logbooks.jlab.org/entry/3849068</li><li>ABU 1h / BNA 7h / BANU 0h</li></ul><p>!
 Wed - Owl</p><ul><li>Pretty good delivery overnight, high trip rate though https://logbooks.jlab.org/entry/3849352</li><li>PITA scan done</li><li>Septum IOC down, rebooted and came back fine</li><li>ABU 4.4h / BNA 3.5h / BANU 0.1h</li></ul><div> </div><p><strong>Outstanding Issues </strong></p><ul><li>PD announced at the 7:45am MCC meeting that they'll be running straight beam delivery through the Hall A Compton chicane for the remainder of the run (until Fri Sep 18 at 6am). The 2.5 hours of everybody's beam MCC spent on trying to get us through the Compton chicane with reasonable rates last evening has been all the Program could afford to a non-priority Hall (Javier confirmed). Altough this may not affect CREX systematics much at this point it does affect Compton systematics and development going forward. Compton experts please weigh in.</li></ul><p> </p><p><strong>Plans ahead</strong></p><ul><li>The Run Plan for the reminder of CREX is posted (and updated r!
 egularly) on https://prex.jlab.org/wiki/index.php/CREXAuxiliar!
 yMeasurements-Aug2020  </li><li>Moller in progress (Wed Sep 16 started at 8am, driven by Simona and Eric), Sign check after Moller</li><li>Wed - Swing - raster study plan (Cameron/Paul "The King", Bob)</li><li>CREX data taking will end on Fri Sep 18 at 6am! </li><li>We'd like to keep the shifts over Sep 18 - 21 on standby in case Hall C 1st pass does not happen or if they bail early-ish into it (for whatever reason)</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:    &nb!
 sp;               256 205 934 </p><p>  Bluejeans link: https://bluejeans.com/256205934</p><p> </p>

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