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Hello All,</div>
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As pointed out by Mark and Bill, I had the dates off by a day. Apologies. Hot checkout is Tuesday 10<span><sup>th</sup></span><span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">, with lock up on Swing and
physics on Thursday the 12th. We will still meet to touch base and get a sense of where things stand 3:30 PM Friday, but with this schedule we have an extra day of Hall access beyond what I had stated.</span></div>
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<span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">-Don</span></div>
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Donald Jones</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hall A/C Staff Scientist</div>
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Jefferson Lab</div>
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Newport News, VA</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Sbs <sbs-bounces@jlab.org> on behalf of Donald Jones via Sbs <sbs@jlab.org><br>
<b>Sent:</b> Thursday, January 5, 2023 10:40 AM<br>
<b>To:</b> halla_running@jlab.org <halla_running@jlab.org>; sbs@jlab.org <sbs@jlab.org><br>
<b>Subject:</b> [Sbs] Friday RC meeting in preparation for lock up</font>
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<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Dear Collaborators,</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">The current plan is for hot checkout to happen during the day on Monday and with the Hall being locked
up on Swing. On Wednesday Day we expect our first physics beam. With this in mind, e</span><span style="color:rgb(0,0,0); font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt">xperts, please have a plan to ensure that your system is ready to go prior
to Monday if at all possible. We do not want to delay the efforts of operations getting us ready for beam on Wednesday because of unnecessary accesses that could have been prevented by testing systems beforehand. </span></div>
<div class="x_elementToProof"><span style="color:rgb(0,0,0); font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt"><span class="x_ContentPasted0" style="text-align:left; background-color:rgb(255,255,255); display:inline!important">I would like to
have an RC meeting tomorrow (Friday) afternoon at 3:30 to discuss readiness. Please be prepared to report on the readiness of your subsystem. Identify the subsystem components and tasks from the list below for which you are responsible.</span><br>
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<li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Target : field measurements, target laser alignment/calibration, cell readiness, gas system for dummy target, cooling jets, foil ladder</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Bigbite: magnets, calorimeter, hodoscope, GRINCH, cosmic run with magnets on</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
SBS: magnets, correctors, corrector current settings known? </li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
GEMs: gas, HV...</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Beamline: raster, quads, BCMs, BPMs, Ion Chambers, vacuum quality good and valves operating properly, cooling jets on window</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
DAQs: SBS, parity</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Moller polarimeter: magnets, HV, DAQ, SC magnet, target motion</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Alarm Handler: running and sound up. All channels with active alarms understood and documented</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Counting House: displays up and chalkboard info transferred</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Kin 4 kinematic spreadsheet setup</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Analyzer and 50k replay ready and bug free</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Charge feedback: new photocathode installed with QE=0.6%. May require new setpoints to get low Aq.</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Detailed runplan: the RC will need to know how many hours on dummy, and different foil configurations along with any off-production field settings that are needed. Decision on what current we will be running for startup.</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Placeholder for what I missed.... </li></ul>
<div class="x_ContentPasted1">Join ZoomGov Meeting
<div class="x_ContentPasted1">https://jlab-org.zoomgov.com/j/1619032184?pwd=aWhTVWxya1ZZQzA1K2ZPSTd2ZXZ2QT09</div>
<div class="x_ContentPasted1">Meeting ID: 161 903 2184</div>
<div class="x_ContentPasted1">Passcode: 260715</div>
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Thank you.</div>
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-Don, Hall A RC</div>
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Donald Jones</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hall A/C Staff Scientist</div>
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Jefferson Lab</div>
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Newport News, VA</div>
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