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Yup here it is <a class="OWAAutoLink" id="OWA7974bac2-6daa-2c2b-0ecb-43f4a7e8ab2a" href="https://docs.google.com/document/d/1DQCf4GzdAR6hvidyrmH49a-rVsLQsbVuc3LZdr9k7vk/edit?tab=t.0">
https://docs.google.com/document/d/1DQCf4GzdAR6hvidyrmH49a-rVsLQsbVuc3LZdr9k7vk/edit?tab=t.0</a> . </div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Kondo Gnanvo <kagnanvo@jlab.org><br>
<b>Sent:</b> Thursday, October 2, 2025 11:24 AM<br>
<b>To:</b> Matthew Posik <posik@temple.edu>; erd108@jlab.org <erd108@jlab.org>; Sourav Tarafdar <stara@jlab.org><br>
<b>Subject:</b> RE: [External] [Erd108] MPGD-DSC General meeting - Thursday October 2nd at 9 am</font>
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<p class="x_MsoNormal">Thanks Matt, </p>
<p class="x_MsoNormal"><a id="OWAAM38D4E25D5AF94BE582711FD2D8027E82" href="mailto:stara@jlab.org"><span style="font-family:"Aptos",sans-serif; text-decoration:none">@Sourav Tarafdar</span></a>
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<p class="x_MsoNormal">Could you please send again the google file for the preTDR review?
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<p class="x_MsoNormal">In general, please when sharing a document please send it to the mailing list instead of the zoom chat because after the meeting, ones can no longer access the shared document
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<p class="x_MsoNormal">Best regards </p>
<p class="x_MsoNormal">Kondo</p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> Matthew Posik <posik@temple.edu>
<br>
<b>Sent:</b> Thursday, October 2, 2025 10:48 AM<br>
<b>To:</b> Kondo Gnanvo <kagnanvo@jlab.org>; erd108@jlab.org<br>
<b>Subject:</b> Re: [External] [Erd108] MPGD-DSC General meeting - Thursday October 2nd at 9 am</span></p>
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<p class="x_MsoNormal"><span style="color:black">Hi All,</span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">Here is the "Tracking in Backgroud" study I mentioned during today's meeting done by Shujie:
<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.bnl.gov_event_29753_contributions_113484_attachments_64699_111154_background-5Fanalysis-5FtrackingWG-5F09112025-2D2.pdf&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=8RkWGK8Ehr23aQ4XZaeJkKhdeUjRK7rjlS9Ivaen0wM&m=OLdeZQpT2bMbheSJoDfuw-wscSQu4S44tjiFP3yx7M1_9LJCnsZM_cxXRSWZFTWY&s=adPVZLeeugcx3aueKRPbBx49zf-xyPGQX8P4E-Howmw&e=">
https://indico.bnl.gov/event/29753/contributions/113484/attachments/64699/111154/background_analysis_trackingWG_09112025-2.pdf</a></span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">Slide 3 shows the different distributions, where the sync. rad is by far the dominate source (just outside the beam pipe surface). </span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">There are ROOT files available that merge signal + background, which are produced in the sim campaigns and can be found using the method discussed in the first couple FAQs:
<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__eic.github.io_documentation_faq.html&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=8RkWGK8Ehr23aQ4XZaeJkKhdeUjRK7rjlS9Ivaen0wM&m=OLdeZQpT2bMbheSJoDfuw-wscSQu4S44tjiFP3yx7M1_9LJCnsZM_cxXRSWZFTWY&s=QMraaxWVPksZfAWI5QybocXJGSueJL20I9Q1RI5fREw&e=">
https://eic.github.io/documentation/faq.html</a></span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">For example: There is a merged background file at: </span></p>
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<p class="x_MsoNormal"><span style="color:black">volatile/eic/EPIC/RECO/25.07.0/epic_craterlake/BACKGROUNDS/MERGED/HEPMC_merger-1.0.2/10x100/RealisticSignalPerFrame/HEPMC_merger-1.0.2_bgmerged_RealisticSignalPerFrame_MinBias_pythia6_10x100_egas_bgas.0030.eicrecon.edm4eic.root</span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">One can also access individual background rootfiles as well. These files will contain the raw and reco hits for each detector.</span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">My understanding is that with the October campaign these rootfiles will have all backgrounds merged.</span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><span style="color:black">Thanks,<br>
Matt</span></p>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">Matt Posik</span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">Research Associate Professor </span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222"> </span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">Temple University </span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">Department of Physics</span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">SERC </span></p>
<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">1925 N. 12th St.</span></p>
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<p class="x_MsoNormal" style="background:white"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222">TU Office: SERC Room 451</span></p>
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<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222; background:white">Physics Office: SERC Room 406/4th Floor</span><span style="font-size:10.0pt; font-family:"Arial",sans-serif; color:#222222"></span></p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Erd108 <<a href="mailto:erd108-bounces@jlab.org">erd108-bounces@jlab.org</a>>
on behalf of Kondo Gnanvo <<a href="mailto:kagnanvo@jlab.org">kagnanvo@jlab.org</a>><br>
<b>Sent:</b> Wednesday, October 1, 2025 2:55 PM<br>
<b>To:</b> <a href="mailto:erd108@jlab.org">erd108@jlab.org</a> <<a href="mailto:erd108@jlab.org">erd108@jlab.org</a>><br>
<b>Subject:</b> [External] [Erd108] MPGD-DSC General meeting - Thursday October 2nd at 9 am</span>
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<p class="x_xmsonormal"><span style="color:black">Dear all, </span></p>
<p class="x_xmsonormal"><span style="color:black">We will have our monthly MPGD-DSC General meeting on tomorrow Thursday October 2<sup>nd</sup> at 9 am.
</span></p>
<p class="x_xmsonormal"><span style="color:black">Please find details below with the items on the agenda to discuss. We will go to the different subsystem update</span></p>
<p class="x_xmsonormal"><span style="color:black">Best regards, </span></p>
<p class="x_xmsonormal"><span style="color:black">Kondo</span></p>
<p class="x_xmsonormal"><span style="color:black"> </span></p>
<p class="x_xmsonormal"><span style="color:black">=====</span></p>
<p class="x_xmsonormal"><span style="color:black">Wiki : </span><u><span style="color:purple"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__wiki.bnl.gov_eic_index.php_Eic-2Drd-2Dmeeting&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=8RkWGK8Ehr23aQ4XZaeJkKhdeUjRK7rjlS9Ivaen0wM&m=OLdeZQpT2bMbheSJoDfuw-wscSQu4S44tjiFP3yx7M1_9LJCnsZM_cxXRSWZFTWY&s=-QAiVWMsq5C5Za2sUPjJY88mJ6o0mTMP2iJyQ2VRvfE&e=" target="_blank"><span style="color:purple">https://wiki.bnl.gov/eic/index.php/Eic-rd-meeting</span></a></span></u><span style="color:black"> </span></p>
<p class="x_xmsonormal"><span style="color:black">Zoom: <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__virginia.zoom.us_j_91920338307-3Fpwd-3DTEF3VDhlVUN0UnBIY0xkeWxqMXprQT09&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=8RkWGK8Ehr23aQ4XZaeJkKhdeUjRK7rjlS9Ivaen0wM&m=OLdeZQpT2bMbheSJoDfuw-wscSQu4S44tjiFP3yx7M1_9LJCnsZM_cxXRSWZFTWY&s=ksR_XYe6938s0YYZpSxpTgIp_wdeyBi8Q4DY2j4fKbk&e=">
<span style="color:blue">https://virginia.zoom.us/j/91920338307?pwd=TEF3VDhlVUN0UnBIY0xkeWxqMXprQT09</span></a></span></p>
<p class="x_xmsonormal">Indico: <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.bnl.gov_event_28407_&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=8RkWGK8Ehr23aQ4XZaeJkKhdeUjRK7rjlS9Ivaen0wM&m=OLdeZQpT2bMbheSJoDfuw-wscSQu4S44tjiFP3yx7M1_9LJCnsZM_cxXRSWZFTWY&s=HHR-cpSX0YlnsisIuZ9Q02V1yWwdIhM-zrSiILCY96k&e=">
https://indico.bnl.gov/event/28407/</a> </p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">Best regards </p>
<p class="x_xmsonormal">Kondo</p>
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