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<p class="MsoNormal">HI, all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The outer edge of Compton distributions on CCAL should be defined by the exist window of FCAL pipe. I agree with Justin that it seems some misalignment between FCAL and CCAL.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Liping<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Justin Stevens <jrsteven@jlab.org> <br>
<b>Sent:</b> Thursday, February 28, 2019 12:53 PM<br>
<b>To:</b> Gan, Liping <ganl@uncw.edu><br>
<b>Cc:</b> primexd@jlab.org<br>
<b>Subject:</b> Re: [Primexd] [Revised Logentry] CCAL occupancy plots<o:p></o:p></p>
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<p class="MsoNormal">Hi All,<o:p></o:p></p>
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<p class="MsoNormal">Please see my comment to Drew’s log entry <a href="https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flogbooks.jlab.org%2Fcomment%2F20469%23comment-20469&data=02%7C01%7Cprimexd%40jlab.org%7C0c5c4811147746a608b708d69dba9c39%7Cb4d7ee1f4fb34f0690372b5b522042ab%7C1%7C0%7C636869822152218973&sdata=uVx8OXg9wTV%2B%2BeEbtzrjL4ziO0yPGPclr7ssgFeu1RI%3D&reserved=0" originalSrc="https://logbooks.jlab.org/comment/20469#comment-20469" shash="ZzGpUSso8UnKt8XQsiHAMKebaNV3MlFLBCftnjFgSSXBGK9uUqhk5bzg+yNfsGDmq31kjY89IdWFRkFDnOaSMICPnT0TfiU25Ny9gDBTvAzip0gl/bh0c1tlM72I8u627TC3CG4BGtu1TPyk7H//vt1zT9fjCrxUC11sH1c03r4=">
https://logbooks.jlab.org/comment/20469#comment-20469</a>, crudely comparing Liping’s simulated distribution to the monitoring plots from data. Unless I’m missing something (which is certainly possible), this looks more like a shift in the acceptance region
than an unexpected hole. Please correct me if there’s some reason I should be comparing these two distributions directly.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Following up on my earlier suggestion, this would be much easier to compare if we had some simulated event samples that could be run through the same reconstruction path as the data…<o:p></o:p></p>
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<p class="MsoNormal">-Justin<o:p></o:p></p>
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<p class="MsoNormal">On Feb 28, 2019, at 11:10 AM, Justin Stevens <<a href="mailto:jrsteven@jlab.org">jrsteven@jlab.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Liping,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks for the plots. Just to be clear, are these simulated distributions with the CompCal in it’s current (as-built) position and all upstream material included?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Also, do we have this compton event generator in the Hall D simulation framework where we can simulate these events compton events and run them through our full simulation: hdgeant(4), mcsmear, reconstruction, etc.? It would be really
useful to have some MC samples to compare with the compton data samples being collected now.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-Justin<o:p></o:p></p>
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<p class="MsoNormal">On Feb 27, 2019, at 11:27 PM, Gan, Liping <<a href="mailto:ganl@uncw.edu">ganl@uncw.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Hi, all,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Attached file is simulated Compton event distributions on CCAL. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Liping<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b><span class="apple-converted-space"> </span>Primexd <<a href="mailto:primexd-bounces@jlab.org">primexd-bounces@jlab.org</a>> on behalf of Ilya Larin <<a href="mailto:ilarin@jlab.org">ilarin@jlab.org</a>><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, February 27, 2019 10:54 PM<br>
<b>To:</b><span class="apple-converted-space"> </span><a href="mailto:gasparan@jlab.org">gasparan@jlab.org</a>; Alexander Somov<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:primexd@jlab.org">primexd@jlab.org</a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [Primexd] [Revised Logentry] CCAL occupancy plots<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> One of the possible options is exactly what we had in Primex-1 in 2004<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">with the missing HyCal square: Low energy hits occupancy looks uniform,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">while high energy ones show missing column, as it would be no info going<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">to the trigger sum. But my assumption can be wrong: still investigating.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> Ilya<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>От:</b><span class="apple-converted-space"> </span>Primexd <<a href="mailto:primexd-bounces@jlab.org">primexd-bounces@jlab.org</a>> от имени<span class="apple-converted-space"> </span><a href="mailto:gasparan@jlab.org">gasparan@jlab.org</a><span class="apple-converted-space"> </span><<a href="mailto:gasparan@jlab.org">gasparan@jlab.org</a>><br>
<b>Отправлено:</b><span class="apple-converted-space"> </span>27 февраля 2019 г. 21:58<br>
<b>Кому:</b><span class="apple-converted-space"> </span>Alexander Somov<br>
<b>Копия:</b><span class="apple-converted-space"> </span><a href="mailto:primexd@jlab.org">primexd@jlab.org</a><br>
<b>Тема:</b><span class="apple-converted-space"> </span>Re: [Primexd] [Revised Logentry] CCAL occupancy plots<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><br>
Looks not bad!, so what was wrong in Drew's plots?<br>
<br>
Ashot<br>
<br>
<br>
><br>
> Logentry Text:<br>
> --<br>
> Just to follow up our discussions about Compton reconstruction and<br>
> performance of the CCAL<br>
><br>
> Below are some occupancy plots for triggered events (trigger bit 1)<br>
><br>
> Fig. 1 Run 61321 (first Compton production run) 02/26, 1 am<br>
> Fig. 2 Run 61331 (middle of production) 02/27, 1 am<br>
> Fig. 3 Run 61340 (run recently taken) 02/27, 20 pm<br>
><br>
> CCAL Occupancy from DigiHits (top left)<br>
> Energy weighted occupancy from DigiHit (top right)<br>
><br>
> The same for Hit factory (middle plots)<br>
> (calibration applied)<br>
><br>
> FADC time in the readout window for all CCAL channels (bottom plot)<br>
><br>
> The occupancies are relatively uniform (except for a few cells, minor<br>
> effect)<br>
><br>
><br>
><br>
><br>
><br>
><br>
> ---<br>
><br>
> This is a plain text email for clients that cannot display HTML. The full<br>
> logentry can be found online at<br>
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<p class="MsoNormal"><Compton-dis.pdf><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
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