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<div class="moz-cite-prefix">Francois, <br>
how were these data analyzed? Are the time windows for the DCs
trimmed to the same values that Veronique showed to day, ~250ns
for R1, ... or did you use the standard values that Mac had
included for the data taking, which are larger? The difference
should be significant because of high accidental background. I
don't know what Joseph used in the results he showed today. <br>
<br>
We should have results that can be compared directly. .. apples to
apples....<br>
<br>
Volker<br>
<br>
<br>
On 2/23/18 8:35 PM, Francois-Xavier Girod wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAOKxh478p7Nxa=mW7xmYcNZE-79QN-GW+s0hq0A=j4pEnW9DqQ@mail.gmail.com">
<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>
<div><span style="font-size:12.8px">FX</span></div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Feb 22, 2018 at 11:04 PM,
burkert <span dir="ltr"><<a href="mailto:burkert@jlab.org"
target="_blank" moz-do-not-send="true">burkert@jlab.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" 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>
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</blockquote>
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