<div dir="ltr"><div><br></div><div>My message to the mailing list was held because of the attachement</div><div><br></div><div>I posted the plots here</div><div><br></div><a href="https://www.jlab.org/Hall-B/secure/clas12/rec_mon/trakcs_per_e.png">https://www.jlab.org/Hall-B/secure/clas12/rec_mon/trakcs_per_e.png</a><div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Francois-Xavier Girod</b> <span dir="ltr"><<a href="mailto:fxgirod@jlab.org">fxgirod@jlab.org</a>></span><br>Date: Fri, Feb 23, 2018 at 8:35 PM<br>Subject: Re: [Clas12_first_exp] RC & TCB meeting<br><br><br><div dir="ltr">For comparison with Joseph's results, please find attached my results for the number of hit based track (triangles) and time based tracks (circles) per electron per sector (colors)<div><br></div><div>The change I found from 35 nA (run <span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">2997 cooked with 5a.0.11) to 75 nA (<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">2710) is not insignificant, depending on the sector, of the order of 30% +/- 10% or so</span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Note that the electron detection efficiency should drop in this ratio</span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">We discussed next steps in this study, beginning with getting a better control over the electron rate with the gated accumulated beam charge</span></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures: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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></span></div><div><span style="font-size:12.8px">Comments and suggestions are welcome</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Best regards</span></div><span class="gmail-HOEnZb"><font color="#888888"><div><span style="font-size:12.8px">FX</span></div></font></span></div><div class="gmail_extra"><br><div class="gmail_quote"><span class="gmail-">On Thu, Feb 22, 2018 at 11:04 PM, burkert <span dir="ltr"><<a href="mailto:burkert@jlab.org" target="_blank">burkert@jlab.org</a>></span> wrote:<br></span><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail-h5">
<div bgcolor="#FFFFFF">
<p>Dear all,</p>
<p>Here are the topics we need to discuss at the combined RC/TCB
meeting tomorrow 1:30pm in room A110. <br>
</p>
<p><u>Agenda:</u></p>
<p>1) RC report (Rafayel) <br>
</p>
<p>2) Triggers (Valery, Serguei) <br>
</p>
<p> Electron trigger optimization <br>
</p>
<p> Hadron Trigger <br>
</p>
<p> MesonEx trigger</p>
<p> Prescaled triggers for normalization</p>
<p>3) Tracking efficiencies vs luminosity (Mac, Veronique)<br>
</p>
<p>4) Program for the remaining program (all) <br>
</p>
<p>5) Any other topics </p>
<p><br>
</p>
<p>See you all tomorrow.</p>
<p>Volker</p>
<p><br>
</p>
</div>
<br></div></div><span class="gmail-">______________________________<wbr>_________________<br>
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