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Thanks for this Bradley, Good to have official numbers!
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<div class="">For events/file, that is basically what I’m using (*10 because I use DSTs)…I’ll switch to 590 from (600); that’s <2% though for me. </div>
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<div class="">On Feb 16, 2017, at 8:57 AM, Bradley T Yale <<a href="mailto:btu29@wildcats.unh.edu" class="">btu29@wildcats.unh.edu</a>> wrote:</div>
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<div style="margin-top: 0px; margin-bottom: 0px;" class="">I averaged over a lot of WAB files (>10k) and got more accurate numbers for wabv3SF.</div>
<div style="margin-top: 0px; margin-bottom: 0px;" class="">The cross section page was updated.<br class="">
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<div style="margin-top: 0px; margin-bottom: 0px;" class="">The cross section is actually closer to 590.207 mb, and 11518 generated events/file.</div>
<div style="margin-top: 0px; margin-bottom: 0px;" class="">The procedure overshoots on average when trying to generate enough events.<br class="">
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<div style="margin-top: 0px; margin-bottom: 0px;" class="">However, the cross section is still not as stable as it is for the tridents, and doesn't improve with a >0.5 GeV sum cut (like it did for the tridents). I'm looking into other wab cuts that may fix
it.<span class="Apple-converted-space"> </span><span class="">Both types of tridents have exactly 10k events, and very stable cross sections though.</span></div>
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<div style="margin-top: 0px; margin-bottom: 0px;" class="">In the meantime, these new numbers provide a >10% difference in the WAB normalization, and should be used instead of 600/10k.</div>
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<div style="margin-top: 0px; margin-bottom: 0px;" class="">Bradley<br class="">
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<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>Hps-analysis <<a href="mailto:hps-analysis-bounces@jlab.org" class="">hps-analysis-bounces@jlab.org</a>>
on behalf of Holly Vance <<a href="mailto:hvanc001@odu.edu" class="">hvanc001@odu.edu</a>><br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>Thursday, February 16, 2017 11:22:39 AM<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:hps-analysis@jlab.org" class="">hps-analysis@jlab.org</a><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>[Hps-analysis] Rad frac updated</font>
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<div dir="ltr" class="">Hi all,
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<div class="">This past week I showed the rad frac at 12% with vertex cuts. I had not accounted for alpha difference in radiatives (I thought these were generated with correct alpha, but it seems they are not). </div>
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<div class="">In any case, I now calculate rad frac to be 9% which seems consistent with Omar and Matt S. </div>
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<div class="">-Holly</div>
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