<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>From: </b></span><span style="font-family:'Helvetica'; font-size:medium;">Lei Guo <<a href="mailto:lguo@jlab.org">lguo@jlab.org</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Date: </b></span><span style="font-family:'Helvetica'; font-size:medium;">May 9, 2013 2:10:41 PM EDT<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>To: </b></span><span style="font-family:'Helvetica'; font-size:medium;">"Michael C. Kunkel" <<a href="mailto:mkunkel@jlab.org">mkunkel@jlab.org</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1);"><b>Subject: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><b>Re: [G12] Cross Section Normalization</b><br></span></div><br><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">MK,<div><br></div><div>Is your final state p pi- pi+ all detected? Do you have the same conclusion that for Egamma > 3.6 GeV, there is no correction factor, and the only correction factor (1.7) are for the lower beam energies?</div><div><br></div><div>Lei<br><div><div>On May 9, 2013, at 1:57 PM, Michael C. Kunkel wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000">
Hi Ken, <br>
<br>
The number I will provide is for comparison with Johann, where he
derived a factor of 4.17, I am deriving a factor of 1.7.<br>
There will be no numbers published until the reason for the
discrepancy is discovered, and once it is discovered, we have
planned to write an fully detailed account of our methodology.<br>
<br>
<br>
BR<br>
MK<br>
<br>
<br>
<div class="moz-cite-prefix">On 5/9/13 12:57 PM, Hicks, Kenneth
wrote:<br>
</div>
<blockquote cite="mid:B01EBAF42AC24D47B8B320567333BA6AAA71522B@EXMAIL1.ohio.edu" type="cite">
<div class="WordSection1"><p class="MsoNormal">Hi MK,<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Are you planning to write down the details
of how you got the cross sections? There are many details
that need to be done correctly, and unless you provide the
details (what bin sizes you used, what files you used, how the
acceptance was calculated, what trigger correction is applied,
etc.) then it’s no help to know what factor you need. While
I’m not proposing that you write a full analysis note, you
should at least say what you did to get your cross section.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Best regards,<o:p></o:p></p><p class="MsoNormal">Ken<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p>
<div>
<div><p class="MsoNormal"><b>From:</b> <a class="moz-txt-link-abbreviated" href="mailto:g12-bounces@jlab.org">g12-bounces@jlab.org</a>
[<a class="moz-txt-link-freetext" href="mailto:g12-bounces@jlab.org">mailto:g12-bounces@jlab.org</a>] <b>On Behalf Of </b>Michael
Kunkel<br>
<b>Sent:</b> Thursday, May 09, 2013 12:51 PM<br>
<b>To:</b> g12<br>
<b>Subject:</b> [G12] Cross Section Normalization<o:p></o:p></p>
</div>
</div><p class="MsoNormal"><o:p> </o:p></p>
<div>
<blockquote><p class="MsoNormal">Greetings G12,<br>
<br>
I have compared my cross section visually and it appears
that if I needed a correction factor it would be no
greater than 2. I will supply the plots later as I am
currently working on it.<o:p></o:p></p>
</blockquote><p class="MsoNormal"><br>
BR<o:p></o:p></p>
<div><p class="MsoNormal">MK<o:p></o:p></p>
</div>
<div><p class="MsoNormal"><o:p> </o:p></p>
</div>
<div><p class="MsoNormal">Sent from my iPhone<o:p></o:p></p>
</div>
</div>
</div>
</blockquote>
<br>
</div>
_______________________________________________<br>G12 mailing list<br><a href="mailto:G12@jlab.org">G12@jlab.org</a><br><a href="https://mailman.jlab.org/mailman/listinfo/g12">https://mailman.jlab.org/mailman/listinfo/g12</a><br></blockquote></div><br><div>
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