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Nathan,</div>
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This story started with the trigger validation.</div>
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When we select events with PID=-11we found a lot of events when HTCC signal was not in the same sector as PCAL/ECAL.</div>
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Valery</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Clas12_dileptons <clas12_dileptons-bounces@jlab.org> on behalf of Nathan Baltzell <baltzell@jlab.org><br>
<b>Sent:</b> Wednesday, June 29, 2022 08:02<br>
<b>To:</b> Rafayel Paremuzyan <rafopar@jlab.org><br>
<b>Cc:</b> clas12_dileptons@jlab.org <clas12_dileptons@jlab.org><br>
<b>Subject:</b> Re: [Clas12_dileptons] HTCC and track sector studies</font>
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you require <span class="" style="font-size:12pt">sector of the track to be the same as the sector of HTCC,</span></div>
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while for trigger studies we required sector of HTCC to be the same as the sector of PCal</div>
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Those should give exactly the same result, since truly sectored detectors are already required to be in the same sector as the track.
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<div class="">-Nathan</div>
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<div class="">On Jun 28, 2022, at 10:36 PM, Rafayel Paremuzyan <<a href="mailto:rafopar@jlab.org" class="">rafopar@jlab.org</a>> wrote:</div>
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Hello Stapan,</div>
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thank you for slides.</div>
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To me pid cuts are pretty reasonable.</div>
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I assume exclusivity cuts are |MM2| < 0.1 GeV^2 AND Q2 < 0.1 GeV^2</div>
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when Richard will post his slides, <span class="" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt">we can have a look into his cut values.</span></div>
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However one thing that I think is different is that you require</div>
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sector of the track to be the same as the sector of HTCC,</div>
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while for trigger studies we required sector of HTCC to be the same as the sector of PCal and EC_in (nothing</div>
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required on track sector).</div>
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I am not sure how much difference this will make (if any), but if it is not too much of work, could</div>
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you require PCal and HTCC sectors to be the same, instead of track and HTCC sectors.</div>
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Rafo</div>
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p.s. also could you make the comparison plot in a linear scale.</div>
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<font face="Calibri, sans-serif" class="" style="font-size:11pt"><b class="">From:</b><span class="x_Apple-converted-space"> </span>Clas12_dileptons <<a href="mailto:clas12_dileptons-bounces@jlab.org" class="">clas12_dileptons-bounces@jlab.org</a>> on behalf
of Stepan Stepanyan <<a href="mailto:stepanya@jlab.org" class="">stepanya@jlab.org</a>><br class="">
<b class="">Sent:</b><span class="x_Apple-converted-space"> </span>Tuesday, June 28, 2022 3:33 PM<br class="">
<b class="">To:</b><span class="x_Apple-converted-space"> </span><a href="mailto:clas12_dileptons@jlab.org" class="">clas12_dileptons@jlab.org</a> <<a href="mailto:clas12_dileptons@jlab.org" class="">clas12_dileptons@jlab.org</a>><br class="">
<b class="">Subject:</b><span class="x_Apple-converted-space"> </span>[Clas12_dileptons] HTCC and track sector studies</font>
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Hello all,</div>
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<span class="" style="background-color:rgb(255,255,255); display:inline!important">Attached are a few slides I put together to study the HTCC-track sector mismatch. Yes, there are positrons with odd sector combinations, especially for p<4.8 GeV. But in the
end, it makes no difference for my invariant mass distribution.</span></div>
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<span class="" style="background-color:rgb(255,255,255); display:inline!important">Stepan</span></div>
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<span class="" style="font-family:Helvetica; font-size:12px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">Clas12_dileptons
mailing list</span><br class="" style="font-family:Helvetica; font-size:12px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
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