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</style><article id="node-1113598" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/4040563" rel="bookmark">Rho polarization for CPP from monitoring ver03</a>
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</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4040563/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4040563/delete?destination=email/send">Delete</a></li></ul></div>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4040563" class="lognumber" data-lognumber="4040563">4040563</a>. Submitted by <a href="https://logbooks.jlab.org/user/aaustreg">aaustreg</a> on <time datetime="2022-09-12T13:51:11-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1663001471&end_date=1663008671&book=HDLOG">Mon, 09/12/2022 - 13:51</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-09-12T14:03:00-0400" pubdate="pubdate">Mon, 09/12/2022 - 14:03</time></p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hdlog">HDLOG</a></td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/4013899">4013899 - Follow-up Re: Rho polarization as a function of beam energy</a></td></tr></table></div>
<div class="logentry node-content">
<p>I extracted the rho decay asymmetry from all polarized runs on lead target processed in monitoring ver03. The spectra are accidental corrected, based on the preliminary timing calibration that is available at the moment. The black data points are extracted from the asymmetry between the diamond orientations -45 (blue) and 45 (red).<br /></p><div class="image-wrapper"><img class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2022/09/4040563/PSigma_vs_E.png" width="798" height="576" alt="" /></div><br />
Selecting the coherent peak in the energy range [5.2,5.7]GeV, we obtain a fairly stable value for PSigma above 0.7. The assignment of the orientations in RCDB is correct for all analyzed runs.<br /><div class="image-wrapper"><img class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2022/09/4040563/PSigma_vs_run.png" width="798" height="576" alt="" /></div><div class="image-wrapper"><img class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2022/09/4040563/Psi0_vs_run.png" width="798" height="576" alt="" /></div>
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