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Very nice indicator.</div>
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Would be interesting to compare these plots for high and low rate runs.</div>
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Ilya</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>От:</b> Halld-cpp <halld-cpp-bounces@jlab.org> от имени aaustreg@jlab.org <aaustreg@jlab.org><br>
<b>Отправлено:</b> 1 июля 2022 г. 9:25<br>
<b>Кому:</b> halld-cpp@jlab.org <halld-cpp@jlab.org><br>
<b>Тема:</b> [Halld-cpp] [Revised Logentry] Proposal for CPP monitoring plot</font>
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<h1 class="x_node-title"><a href="https://logbooks.jlab.org/entry/4009446" rel="bookmark">Proposal for CPP monitoring plot</a>
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<p class="x_author-datetime">Lognumber <a href="https://logbooks.jlab.org/entry/4009446" class="x_lognumber">
4009446</a>. Submitted by <a href="https://logbooks.jlab.org/user/aaustreg">aaustreg</a> on
<time datetime="2022-07-01T09:07:08-0400"><a href="https://logbooks.jlab.org/entries?start_date=1656677228&end_date=1656684428&book=HDLOG">Fri, 07/01/2022 - 09:07</a></time>.
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<p class="x_last-update">Last updated on <time datetime="2022-07-01T09:20:19-0400">
Fri, 07/01/2022 - 09:20</time></p>
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<th>Logbooks: </th>
<td><a href="https://logbooks.jlab.org/book/hdlog">HDLOG</a></td>
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<div class="x_logentry x_node-content">
<p>I created a plugin which selects pi+pi- pairs with a missing lead nucleus and performs the kinematic fit. A nice peak can be seen at the Pb mass (193.7GeV) using the measured 4-vectors. The number of rho events is extracted by a BW fit on top of an exponential
background.The extracted polarization is probably diluted by background.</p>
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<div class="x_image-wrapper"><img class="x_image-style-plentybig" width="960" height="630" alt="" src="https://logbooks.jlab.org/files/styles/plentybig/public/2022/07/4009446/hists_cpp_100745_psi.PNG"></div>
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