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<p class="MsoNormal"><span style="font-size:12.0pt">Hi Alexander,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">The detector (GEM + mRwell) itself had 1 mm drift gap and 0.5 mm transfer gap. The GEM + MMG has 1mm drift and 1 mm transfer gap. Both of them showed that mostly single strips were getting fired. The transverse
diffusion in KrCO2(80:20) at 2 kV/cm is 0.03 cm <sup>½ </sup> . I think only relying on transverse diffusion of electrons will be probably misleading considering both the mRwell and MMG are resistive layer to aid in charge spread. I don’t have the exact number
for the resistivity for these two layers at this moment. Electronics for all the prototypes were same but for the zigzag strips which has 128 strips (64 X + 64 Y) , 64 pins of one panasonic was used for X strips and 64 pins for second Panasonic was used for
Y strips. Effectively half of the pins of each Panasonic was left floating causing more noise as compared to the other prototypes. It was not a good choice to decouple X-Y strips in two different connectors making the analysis more complex. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">-Sourav<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Kiselev, Alexander <ayk@bnl.gov><br>
<b>Date: </b>Tuesday, November 7, 2023 at 11:00 PM<br>
<b>To: </b>Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu>, erd108@jlab.org <erd108@jlab.org><br>
<b>Subject: </b>Re: Draft of CPAD-2023 (11/7-11/10) talk<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Hi Sourav,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Well, the slide gives a hint that analysis is in progress, but in general it rather indicates that the readout just shows a poor performance (no charge sharing).
Remind me please, what was the hybrid composition (and gaps in mm)? And what is the transverse diffusion coefficient in all gaps for this mixture and V/cm values? More importantly, why common mode correction (and analysis procedure in general) face more difficulties
than in the other cases? Sorry, I did not follow this development, but I thought the electronics setup was identical for all of these prototypes, except for the readout structure?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Thank you,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Alexander.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu><br>
<b>Sent:</b> Tuesday, November 7, 2023 8:13 PM<br>
<b>To:</b> Kiselev, Alexander <ayk@bnl.gov>; erd108@jlab.org <erd108@jlab.org><br>
<b>Subject:</b> Re: Draft of CPAD-2023 (11/7-11/10) talk</span> </p>
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<p class="xmsonormal">Hi Alexander,</p>
<p class="xmsonormal"> </p>
<p class="xmsonormal">Thanks for the comments. I implemented the suggestions. </p>
<p class="xmsonormal">As per your questions on slide 10, the plots are for normal angle of track on 1 mm drift gap prototype. For that detector I haven’t yet gotten to the point of extracting residual as it needs extensive work on common mode correction. Work
is still in progress on that front.</p>
<p class="xmsonormal"> </p>
<p class="xmsonormal">Best regards,</p>
<p class="xmsonormal">-Sourav</p>
<p class="xmsonormal"> </p>
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<p class="xmsonormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Kiselev, Alexander <ayk@bnl.gov><br>
<b>Date: </b>Tuesday, November 7, 2023 at 6:25 PM<br>
<b>To: </b>BOSSU Francesco <francesco.bossu@cea.fr>, Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu>, erd108@jlab.org <erd108@jlab.org><br>
<b>Subject: </b>Re: Draft of CPAD-2023 (11/7-11/10) talk</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Hi Sourav,</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> </span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> A nice set of slides. Please consider to correct or spell out the following:</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> </span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 3: "Si
<b>MAPS</b> tracker" (to make it clear why timing resolution is poor)</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> </span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 6: BNL bullet should be "2D zigzag" rather than "2D capacitive sharing"</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 6: as a matter of fact none of the pitch numbers on the illustrations matches the actual prototype (was 1.35mm in both projections)</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 6: a "gap" artifact should probably be removed</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 7: well, this is not happening in 2024</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> </span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 9: "2D chevron" -> "2D zigzag"</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> </span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> slide 10: for my understanding, the bottom right plot is a total number of strips per event? at which angle is this, and with what drift gap? are you getting reasonable
residuals at 0 degrees, for 2&3-strip clusters?</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Cheers & good luck with the talk!</span></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif;color:black"> Alexander.</span></p>
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<p class="xmsonormal"><b><span style="color:black">From:</span></b><span style="color:black"> Erd108 <erd108-bounces@jlab.org> on behalf of BOSSU Francesco <francesco.bossu@cea.fr><br>
<b>Sent:</b> Tuesday, November 7, 2023 6:13 PM<br>
<b>To:</b> Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu>; erd108@jlab.org <erd108@jlab.org><br>
<b>Subject:</b> [Erd108] [EXTERNAL] Re: Draft of CPAD-2023 (11/7-11/10) talk</span>
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<p><span style="font-size:12.0pt;color:black">Dear Sourav</span></p>
<p><span style="font-size:12.0pt;color:black"> </span></p>
<p><span style="font-size:12.0pt;color:black">sorry for the late comments. </span>
</p>
<p><span style="font-size:12.0pt;color:black"> </span></p>
<p><span style="font-size:12.0pt;color:black">For the micromegas part, just two small suggestions.
</span></p>
<p><span style="font-size:12.0pt;color:black"> </span></p>
<p><span style="font-size:12.0pt;color:black">You can update the CAD design (slide 4) with a recent one (attached)</span></p>
<p><span style="font-size:12.0pt;color:black">On the next slide, you can change the 2d zigzag schema with the asacusa pattern (in attachment).
</span></p>
<p><span style="font-size:12.0pt;color:black">Also, if you want, you can add a picture of the beam test (attached)</span></p>
<p><span style="font-size:12.0pt;color:black"> </span></p>
<p><span style="font-size:12.0pt;color:black">cheers</span></p>
<p><span style="font-size:12.0pt;color:black">Francesco</span></p>
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<p class="xmsonormal"><b><span style="color:black">From:</span></b><span style="color:black"> Erd108 <erd108-bounces@jlab.org> on behalf of Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu><br>
<b>Sent:</b> 06 November 2023 19:06:07<br>
<b>To:</b> erd108@jlab.org<br>
<b>Subject:</b> [Erd108] [EXTERNAL] Re: Draft of CPAD-2023 (11/7-11/10) talk</span>
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<p class="xxmsonormal"><span style="font-size:11.0pt">Dear all,</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">I uploaded the modified version of the slides after implementing comments from Kondo and Marcus. I am just waiting to get updated detector mechanics drawing from
</span><span style="color:black;background:white">Pietro on slide 6. </span></p>
<p class="xxmsonormal"><span style="color:black;background:white">If someone wants to see the slides from browser then suggestions is to open the pdf version here
</span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1xMW4bP1jkKIVmxjr1SOUa1gRoTd9lji8_view-3Fusp-3Dsharing&d=DwMGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=6nBhCQ9asnI7Gb72jBWQ4g&m=BHZejW_VHb9Q71o7S-mlLGoen-4fy_9oIRXGOF2D_BWKm0S9LARltW1HokCHfvA-&s=Bhl_pPqaVPCV5weH78bL1b_vvshdd5fPUoAUAsIUAzM&e="><span style="background:white">https://drive.google.com/file/d/1xMW4bP1jkKIVmxjr1SOUa1gRoTd9lji8/view?usp=sharing</span></a><span style="color:black;background:white">
</span></p>
<p class="xxmsonormal"><span style="color:black;background:white"> </span></p>
<p class="xxmsonormal"><span style="color:black;background:white">The ppt vesrion is here
</span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_presentation_d_1S6Dxlu5LS8ji9l32U6tK5iLJwlsRTjyX_edit-3Fusp-3Ddrive-5Flink-26ouid-3D113597179804759540761-26rtpof-3Dtrue-26sd-3Dtrue&d=DwMGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=6nBhCQ9asnI7Gb72jBWQ4g&m=BHZejW_VHb9Q71o7S-mlLGoen-4fy_9oIRXGOF2D_BWKm0S9LARltW1HokCHfvA-&s=-45W9WQ6VbMzVa6zRHxyNTPShTeJVGpyErjJmEI8SsY&e="><span style="background:white">https://docs.google.com/presentation/d/1S6Dxlu5LS8ji9l32U6tK5iLJwlsRTjyX/edit?usp=drive_link&ouid=113597179804759540761&rtpof=true&sd=true</span></a><span style="color:black;background:white">
</span></p>
<p class="xxmsonormal"><span style="color:black;background:white"> </span></p>
<p class="xxmsonormal"><span style="color:black;background:white">Thanks,</span></p>
<p class="xxmsonormal"><span style="color:black;background:white">-Sourav</span></p>
<p class="xxmsonormal"><span style="color:black;background:white"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
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<p class="xxmsonormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Tarafdar, Sourav <sourav.tarafdar@vanderbilt.edu><br>
<b>Date: </b>Monday, November 6, 2023 at 10:10 AM<br>
<b>To: </b>Gnanvo, Kondo (kg6cq) <kg6cq@virginia.edu><br>
<b>Cc: </b>erd108@jlab.org <erd108@jlab.org><br>
<b>Subject: </b>Re: Draft of CPAD-2023 (11/7-11/10) talk</span></p>
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<p class="xxmsonormal">Hi Kondo,</p>
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<p class="xxmsonormal">Sure, will do that. Thank you for bringing that to my attention.</p>
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<p class="xxmsonormal">Thanks,</p>
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<p class="xxmsonormal">-Sourav</p>
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<p class="xxmsonormal" style="margin-bottom:12.0pt"> </p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="xxmsonormal" style="margin-bottom:12.0pt">On Nov 6, 2023, at 9:23 AM, Gnanvo, Kondo (kg6cq) <kg6cq@virginia.edu> wrote:</p>
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<p class="xxmsonormal"><span style="font-size:11.0pt">Hi Sourav </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">Please also add this reference on slide 6 underneath the cartoon of capacitive-sharing RO
</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">K. Gnanvo et al., NIM A, 1047 (2023) 167782</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">Thanks </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">Kondo</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
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<p class="xxmsonormal"><b><span style="font-size:11.0pt">From:</span></b><span style="font-size:11.0pt"> Erd108 <erd108-bounces@jlab.org>
<b>On Behalf Of </b>Tarafdar, Sourav<br>
<b>Sent:</b> Sunday, November 5, 2023 1:36 PM<br>
<b>To:</b> erd108@jlab.org<br>
<b>Subject:</b> [Erd108] [EXTERNAL] Draft of CPAD-2023 (11/7-11/10) talk</span></p>
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<p class="xxmsonormal"> </p>
<p class="xxmsonormal">Dear all,</p>
<p class="xxmsonormal"> </p>
<p class="xxmsonormal">Sorry for the delay but attached is the draft of my CPAD -2023 talk. The talk is scheduled for 11/8/2023. It is 15 (12+3) minutes talk. Effectively I will prefer to limit the number of slides to 14.
</p>
<p class="xxmsonormal">Here is the abstract <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.slac.stanford.edu_event_8288_contributions_7884_&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=6nBhCQ9asnI7Gb72jBWQ4g&m=FOKWrsPPVBb5Ws8ShBIf8yK8t0f_ByFpZDMVepxGV_fskiiyLJCqQu68QHF5bfJP&s=Ei85LJOTAcwgnqnxIQCznGR0Ged1YHzJIKYFLXhMrFc&e=">
https://indico.slac.stanford.edu/event/8288/contributions/7884/</a> and timetable
<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.slac.stanford.edu_event_8288_sessions_586_-2320231108&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=6nBhCQ9asnI7Gb72jBWQ4g&m=FOKWrsPPVBb5Ws8ShBIf8yK8t0f_ByFpZDMVepxGV_fskiiyLJCqQu68QHF5bfJP&s=ewo_yspSItQBhkvxat7EcGRSwh_c3ED0-_2K4P6xzq0&e=">
https://indico.slac.stanford.edu/event/8288/sessions/586/#20231108</a><span style="font-size:11.0pt"> .</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">Any comments and suggestions are most welcome.</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt"> </span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">Thanks,</span></p>
<p class="xxmsonormal"><span style="font-size:11.0pt">-Sourav</span></p>
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