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Hi All,
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<div class=""> Minutes of today’s meeting were posted on the wiki page and are copied below.</div>
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<span class="mw-headline" id="Minutes">Minutes</span><span class="mw-editsection" style="font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=%CE%A0_polarizability_Meeting_Apr_8,_2020&action=edit§ion=4" title="Edit section: Minutes" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
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<b class="">Announcements:</b></div>
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<li style="margin-bottom: 0.1em;" class="">GlueX NIM paper nearly complete and should go out within a week</li></ul>
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<b class="">Update on Run</b></div>
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<li style="margin-bottom: 0.1em;" class="">Minimal staff from Physics division doing periodic walk throughs to check on hall and counting house</li><li style="margin-bottom: 0.1em;" class="">gluonraid3 had alarm. Part is ordered and will be repaired at next opportunity. No data was lost.</li></ul>
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<b class="">Engineering/Design</b></div>
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<li style="margin-bottom: 0.1em;" class="">Met with Tim and Stephanie last week</li><li style="margin-bottom: 0.1em;" class="">Elton showed some screen caps of the CAD design Stephanie was showing during meeting
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<li style="margin-bottom: 0.1em;" class="">Looked like no clearance between HV boards on detector right (looking downstream) and darkbox. We'll need at least some clearance (Need to ask Stephanie)</li><li style="margin-bottom: 0.1em;" class="">Gas connectors may need elbows to redirect tubes away from darkbox</li><li style="margin-bottom: 0.1em;" class="">We should suggest adding cables and gas lines to CAD or at least a keep-out zone</li></ul>
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<b class="">Andrew e+e- simulation</b></div>
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<li style="margin-bottom: 0.1em;" class="">Andrew showed some plots of the acceptance as a function We+e- invariant mass</li><li style="margin-bottom: 0.1em;" class="">Some issues still with acceptance being >3 in some regions.</li><li style="margin-bottom: 0.1em;" class="">Andrew will send code to David to review with fresh eyes</li><li style="margin-bottom: 0.1em;" class="">Next steps will be MVA</li></ul>
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<b class="">Jeopardy</b></div>
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<li style="margin-bottom: 0.1em;" class="">Some discussion of delaying Jeopardy PAC for 1 year due to Corvid-19</li><li style="margin-bottom: 0.1em;" class="">Rory communicated to Matt S. that CPP would be ready this summer</li><li style="margin-bottom: 0.1em;" class="">We all agreed that it would be better for us to do it this year instead of next year</li><li style="margin-bottom: 0.1em;" class="">Rory showed list of preparations including outline of the 10 page document</li><li style="margin-bottom: 0.1em;" class="">May hear back within a week about any delay. Will discuss writing assignments and timeline at next CPP meeting</li><li style="margin-bottom: 0.1em;" class="">Consensus that we should still try and have Experimental Readiness Review this Fall regardless of Jeopardy schedule</li></ul>
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<b class="">Meeting Time</b></div>
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<li style="margin-bottom: 0.1em;" class="">David asked if meeting time could be moved up one hour to 9am to avoid regular conflicts with various other meetings that seem to get scheduled on Wed. at 10am</li><li style="margin-bottom: 0.1em;" class="">Everyone OK with it, (except Andrew who was peer-pressured into agreeing with it)</li><li style="margin-bottom: 0.1em;" class="">Next week we will start meeting at 9am on Wed.</li></ul>
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<div class="">On Apr 8, 2020, at 7:50 AM, David Lawrence <<a href="mailto:davidl@jlab.org" class="">davidl@jlab.org</a>> wrote:</div>
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<div class="">Hi All,</div>
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<div class=""> Just a reminder of the CPP meeting ths morning at 10am. The bluejeans link is: <a href="https://bluejeans.com/949429419" class="">https://bluejeans.com/949429419</a></div>
<div class="">The wiki page is:</div>
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<div class=""><a href="https://halldweb.jlab.org/wiki/index.php/%CE%A0_polarizability_Meeting_Apr_8,_2020" class="">https://halldweb.jlab.org/wiki/index.php/%CE%A0_polarizability_Meeting_Apr_8,_2020</a></div>
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Regards,<br class="">
-David<br class="">
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David Lawrence Ph.D.<br class="">
Staff Scientist, Thomas Jefferson National Accelerator Facility<br class="">
Newport News, VA<br class="">
<a href="mailto:davidl@jlab.org" class="">davidl@jlab.org</a><br class="">
(757) 269-5567 W<br class="">
(757) 746-6697 C<br class="">
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