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Dear All,</div>
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We will have our meeting tomorrow the focus of the meeting is on pass2 preparations. We will review the improvements of pass2 on different physics processes see the email below from last week.</div>
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<span style="margin:0px">Below is the zoom link for the meeting:</span><br>
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<a href="https://jlab-org.zoomgov.com/j/1607459855?pwd=RFlzWXg4MEJkMFNZVUVNQVFrdy9jUT09" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="0" data-safelink="true" style="margin:0px">https://jlab-org.zoomgov.com/j/1607459855?pwd=RFlzWXg4MEJkMFNZVUVNQVFrdy9jUT09</a>
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Best regards,</div>
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Latifa</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Latifa Elouadrhiri<br>
<b>Sent:</b> Wednesday, October 19, 2022 8:07 AM<br>
<b>To:</b> clas12_first_exp@jlab.org <clas12_first_exp@jlab.org><br>
<b>Cc:</b> Veronique Ziegler <ziegler@jlab.org>; timothy.hayward@uconn.edu <timothy.hayward@uconn.edu>; Latifa Elouadrhiri <latifa@jlab.org><br>
<b>Subject:</b> No meeting this morning/Pass2 preparation update</font>
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<span class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36); border:1pt none windowtext; padding:0in">Dear all,</span><span></span></p>
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<span style="font-size:11.5pt; font-family:"Helvetica Neue"; color:rgb(36,36,36); border:1pt none windowtext; padding:0in"><span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif">There will be no meeting this morning. </span><br class="x_ContentPasted0">
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<span class="x_ContentPasted0" style="font-size:11.5pt; color:rgb(36,36,36); border:1pt none windowtext; padding:0in; font-family:Arial,Helvetica,sans-serif">below is where we are in pass2 preparations;</span><span style="font-size:10.5pt; font-family:"Helvetica Neue""><span></span></span></p>
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<span class="x_ContentPasted0" style="font-size:11.5pt; color:rgb(36,36,36); border:1pt none windowtext; padding:0in; font-family:Arial,Helvetica,sans-serif">We have processed:</span><span style="font-size:10.5pt; font-family:"Helvetica Neue""><span></span></span></p>
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<span class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36); border:1pt none windowtext; padding:0in">30 runs with pass-2 software, new alignment, most subsystem calibrations and AI assisted forward tracking
are officially complete and can be found at /volatile/clas12/rg-a/production/pass0/Spring19/sp19_dst_ai_v1_05/.</span><span style="border:1pt none windowtext; padding:0in"><br class="x_ContentPasted0">
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<span class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36); border:1pt none windowtext; padding:0in">One run with the latest improvement in CVT tracking</span><span lang="FR" class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36)">.</span><span class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36)">The
full run for 6715 is here:</span><span class="x_ContentPasted0" style="font-size:11.5pt; font-family:Arial,Helvetica,sans-serif; color:rgb(36,36,36)">/volatile/clas12/rg-a/production/pass0/Spring19/sp19_dst_ai_v1_06/dst/</span><span style="font-family:Arial,Helvetica,sans-serif">-
and the plan is to process more statistics.</span><span></span></li></ul>
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<span style="font-family:Arial,Helvetica,sans-serif">I would like that we complete quantitative comparison between the pass1 and pass2 data sets using these runs for:</span><span></span></p>
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<span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif; color:black">·</span><span class="x_ContentPasted0" style="font-family:Symbol; color:black"><span style="font-size:7pt; line-height:normal; font-family:"Times New Roman""></span></span><span dir="LTR"></span><span class="x_ContentPasted0" style="color:black; font-family:Arial,Helvetica,sans-serif">DVCS
(Sangbaek) , exclusive pi0 when the proton is detected in the CD (Andrey)</span><span class="x_ContentPasted0" style="color:black"><span></span></span></p>
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<span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif; color:black">·</span><span class="x_ContentPasted0" style="font-family:Symbol; color:black"><span style="font-size:7pt; line-height:normal; font-family:"Times New Roman""></span></span><span dir="LTR"></span><span class="x_ContentPasted0" style="color:black; font-family:Arial,Helvetica,sans-serif">Mexon-X
(Derek and collaborators)</span><span class="x_ContentPasted0" style="color:black"><span></span></span></p>
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<span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif; color:black">·</span><span class="x_ContentPasted0" style="font-family:Symbol; color:black"><span style="font-size:7pt; line-height:normal; font-family:"Times New Roman""></span></span><span dir="LTR"></span><span class="x_ContentPasted0" style="color:black; font-family:Arial,Helvetica,sans-serif">Inclusive
(Ralf/Valery)</span><span class="x_ContentPasted0" style="color:black"><span></span></span></p>
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<span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif; color:black">·</span><span class="x_ContentPasted0" style="font-family:Symbol; color:black"><span style="font-size:7pt; line-height:normal; font-family:"Times New Roman""></span></span><span dir="LTR"></span><span class="x_ContentPasted0" style="color:black; font-family:Arial,Helvetica,sans-serif">SIDIS
(Stefan)</span><span class="x_ContentPasted0" style="color:black"><span></span></span></p>
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<span class="x_ContentPasted0" style="font-family:Arial,Helvetica,sans-serif; color:black">·</span><span class="x_ContentPasted0" style="font-family:Symbol; color:black"><span style="font-size:7pt; line-height:normal; font-family:"Times New Roman""></span></span><span dir="LTR"></span><span class="x_ContentPasted0" style="color:black; font-family:Arial,Helvetica,sans-serif">Impact
on Momentum corrections (Volker and collaborators)</span><span class="x_ContentPasted0" style="color:black"><span></span></span></p>
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<span style="font-family:Arial,Helvetica,sans-serif">These studies are an important input to our final decision for pass2, that we should complete and document next week.</span><span></span></p>
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<span style="font-family:Arial,Helvetica,sans-serif">The current plan is to go for the pass2 review the second week of November. The pass0 with the latest software and calibrations including the DC has been launched – This should be the final pass0 on which
we will base our pass2 preparations.</span><span></span></p>
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<span style="font-family:Arial,Helvetica,sans-serif">Let me know if you have any questions.</span><span></span></p>
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<span style="font-family:Arial,Helvetica,sans-serif">Best regards,</span><span></span></p>
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<span style="font-family:Arial,Helvetica,sans-serif">Latifa</span><span></span></p>
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