<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I think Shankar didn’t have the same issues with the protons from Lambda events. Shankar, care to comment?<div class=""><br class=""></div><div class="">Lei</div><div class=""><br class=""><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><div class="">Lei Guo</div><div class="">Associate Professor</div><div class="">Physics Department</div><div class="">Florida International University</div><div class="">Miami, FL</div></div><div class=""><br class=""></div><div class="">email: <a href="mailto:leguo@fiu.edu" class="">leguo@fiu.edu</a> or <a href="mailto:lguo@jlab.org" class="">lguo@jlab.org</a></div><div class="">Office:305-348-0234</div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On Aug 15, 2017, at 3:24 PM, Michael Dugger <<a href="mailto:dugger@jlab.org" class="">dugger@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><br class="">Hi,<br class=""><br class="">I'm getting strange results and I would like to see if others are seeing something similar.<br class=""><br class="">Using Coatjava 4a.7.5 and GEMC 4a.2.0 for the Xi^- K^+ K^+ reaction, I get for beta vs. momentum of charged particles:<br class=""><br class="">* (using for beta and momentum: REC_Particle) the plot <a href="https://userweb.jlab.org/~dugger/vs/pidTest.png" class="">https://userweb.jlab.org/~dugger/vs/pidTest.png</a><br class=""><br class="">At zero beta I get a bunch of garbage and there are not many protons.<br class=""><br class="">If I neglect low values of beta:<br class=""><a href="https://userweb.jlab.org/~dugger/vs/pidTest2.png" class="">https://userweb.jlab.org/~dugger/vs/pidTest2.png</a><br class=""><br class="">* (using REC_Particle for momentum and constructing beta from REC_Scintillator and FT_particles information)<br class="">the plot https://userweb.jlab.org/~dugger/vs/tmpPID.png<br class=""><br class="">It looks like there is good information in the files but the beta from REC_Particle_beta is messed up for me. In particular, protons are very messed up.<br class=""><br class="">I probably did something wrong in processing the events but I wanted to check to see if anyone else is seeing problems.<br class=""><br class="">Take care,<br class="">Michael<br class="">_______________________________________________<br class="">Clas12_verystrange mailing list<br class="">Clas12_verystrange@jlab.org<br class="">https://mailman.jlab.org/mailman/listinfo/clas12_verystrange<br class=""></div></blockquote></div><br class=""></div></body></html>