<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi All,<div class=""><br class=""></div><div class="">Please see my comment to Drew’s log entry <a href="https://logbooks.jlab.org/comment/20469#comment-20469" class="">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.</div><div class=""><br class=""></div><div class="">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…</div><div class=""><br class=""></div><div class="">-Justin<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Feb 28, 2019, at 11:10 AM, Justin Stevens <<a href="mailto:jrsteven@jlab.org" class="">jrsteven@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Liping,<div class=""><br class=""></div><div class="">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?</div><div class=""><br class=""></div><div class="">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.</div><div class=""><br class=""></div><div class="">-Justin<br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On Feb 27, 2019, at 11:27 PM, Gan, Liping <<a href="mailto:ganl@uncw.edu" class="">ganl@uncw.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, Helvetica, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Hi, all,</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Attached file is simulated Compton event distributions on CCAL. </div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Liping</div><br class=""><br class=""><div style="" class=""><hr tabindex="-1" style="display: inline-block; width: 629.15625px;" class=""><div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>Primexd <<a href="mailto:primexd-bounces@jlab.org" class="">primexd-bounces@jlab.org</a>> on behalf of Ilya Larin <<a href="mailto:ilarin@jlab.org" class="">ilarin@jlab.org</a>><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, February 27, 2019 10:54 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:gasparan@jlab.org" class="">gasparan@jlab.org</a>; Alexander Somov<br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:primexd@jlab.org" class="">primexd@jlab.org</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [Primexd] [Revised Logentry] CCAL occupancy plots</font><div class=""> </div></div><div dir="ltr" class=""><div id="x_divtagdefaultwrapper" dir="ltr" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif, Helvetica, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""> One of the possible options is exactly what we had in Primex-1 in 2004</div><div style="margin-top: 0px; margin-bottom: 0px;" class="">with the missing HyCal square: Low energy hits occupancy looks uniform,</div><div style="margin-top: 0px; margin-bottom: 0px;" class="">while high energy ones show missing column, as it would be no info going<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">to the trigger sum. But my assumption can be wrong: still investigating.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""> Ilya<br class=""></div><br class=""><br class=""><div style="" class=""><hr tabindex="-1" style="display: inline-block; width: 629.15625px;" class=""><div id="x_divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">От:</b><span class="Apple-converted-space"> </span>Primexd <<a href="mailto:primexd-bounces@jlab.org" class="">primexd-bounces@jlab.org</a>> от имени<span class="Apple-converted-space"> </span><a href="mailto:gasparan@jlab.org" class="">gasparan@jlab.org</a><span class="Apple-converted-space"> </span><<a href="mailto:gasparan@jlab.org" class="">gasparan@jlab.org</a>><br class=""><b class="">Отправлено:</b><span class="Apple-converted-space"> </span>27 февраля 2019 г. 21:58<br class=""><b class="">Кому:</b><span class="Apple-converted-space"> </span>Alexander Somov<br class=""><b class="">Копия:</b><span class="Apple-converted-space"> </span><a href="mailto:primexd@jlab.org" class="">primexd@jlab.org</a><br class=""><b class="">Тема:</b><span class="Apple-converted-space"> </span>Re: [Primexd] [Revised Logentry] CCAL occupancy plots</font><div class=""> </div></div><div class="x_BodyFragment"><font size="2" class=""><span style="font-size: 11pt;" class=""><div class="x_PlainText"><br class=""> Looks not bad!, so what was wrong in Drew's plots?<br class=""><br class=""> Ashot<br class=""><br class=""><br class="">><br class="">> Logentry Text:<br class="">> --<br class="">> Just to follow up our discussions about Compton reconstruction and<br class="">> performance of the CCAL<br class="">><br class="">> Below are some occupancy plots for triggered events (trigger bit 1)<br class="">><br class="">> Fig. 1 Run 61321 (first Compton production run) 02/26, 1 am<br class="">> Fig. 2 Run 61331 (middle of production) 02/27, 1 am<br class="">> Fig. 3 Run 61340 (run recently taken) 02/27, 20 pm<br class="">><br class="">> CCAL Occupancy from DigiHits (top left)<br class="">> Energy weighted occupancy from DigiHit (top right)<br class="">><br class="">> The same for Hit factory (middle plots)<br class="">> (calibration applied)<br class="">><br class="">> FADC time in the readout window for all CCAL channels (bottom plot)<br class="">><br class="">> The occupancies are relatively uniform (except for a few cells, minor<br class="">> effect)<br class="">><br class="">><br class="">><br class="">><br class="">><br class="">><br class="">> ---<br class="">><br class="">> This is a plain text email for clients that cannot display HTML. 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