<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Evgeny, <div class=""><br class=""></div><div class="">any luck with the generated files? I rerun gemc following the CLAS12 hands-on tutorial from last week and I got identical files. These are saved at</div><div class=""><div style="margin: 0px; font-size: 9px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/volatile/clas/clasg13/nicholas/Postdoc2/CLAS12Demo</span></div><div style="margin: 0px; font-size: 9px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">for 2GeV and 5GeV lambdas thrown in all angles. Their vertices were set at 0,0,0 for this test but its easy to create a spread for further testing. I think for the initial testing this would suffice!</span></span></div><div style="margin: 0px; font-size: 9px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><span style="font-family: Helvetica; font-size: 12px;" class=""><br class=""></span></span></div><div style="margin: 0px; font-size: 9px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><span style="font-family: Helvetica; font-size: 12px;" class="">-N</span></span></div><div style="margin: 0px; font-size: 9px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div><div><blockquote type="cite" class=""><div class="">On 27 Mar 2017, at 17:43, <a href="mailto:golovach@jlab.org" class="">golovach@jlab.org</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class="">We should use 4a.0.0, because the version of CLARA is 4a.0.0.<br class="">I think the previous versions of CLARA are not available.<br class=""><br class="">Could you generate Lambda at fixed Lambda momentum.<br class="">Say one energy is 2 Gev and anothe energy is 5 GeV.<br class=""><br class="">Evgeny<br class=""><br class=""><br class=""><blockquote type="cite" class="">I think that was 3.02. Will run it again this afternoon.<br class=""><br class="">Nick<br class=""><br class=""><blockquote type="cite" class="">On Mar 27, 2017, at 17:36, <a href="mailto:golovach@jlab.org" class="">golovach@jlab.org</a> wrote:<br class=""><br class="">Hi Nick,<br class=""><br class="">I tried to use gemcOut_Lambda.evio<br class="">/volatile/clas/clasg13/nicholas/Postdoc2/VeryStrangePhysics/gemc<br class="">Something is strange with that simulation.<br class=""><br class="">What was the version of GEMC?<br class="">What were the field settings?<br class=""><br class="">I think we have to use gemc 4a.0.0.<br class=""><br class="">Evgeny<br class=""><br class=""><br class=""><br class=""><blockquote type="cite" class="">I agree with not using anything we dont understand!! Great news that we<br class="">now have a working procedure! Let me know if you want me to generate<br class="">anything for testing.<br class=""><br class="">Nick<br class=""><br class=""><blockquote type="cite" class="">On Mar 27, 2017, at 17:05, <a href="mailto:golovach@jlab.org" class="">golovach@jlab.org</a> wrote:<br class=""><br class="">Dear All,<br class=""><br class="">After my and Valery's struggle with the bhabha.f routines.<br class="">I decided to write the interpolation procedure<br class="">from scratch and it seems to work.<br class=""><br class="">The idea is very simple. It loops over the points<br class="">of the helix curves of both helixes and finds the<br class="">point where the distance between two points is minimal.<br class="">I put few plots here.<br class=""><a href="https://userweb.jlab.org/~golovach/vertex/www_2017march27/" class="">https://userweb.jlab.org/~golovach/vertex/www_2017march27/</a><br class=""><br class="">My suggestion is to completely abandon the bhabha.f routines.<br class="">Anyway it is not a nice idea to have a piece of code that<br class="">nobody understands. Me and Valery would better spend some<br class="">time to optimize the current version, which seems to work.<br class=""><br class="">I am going to test the procedure with Lambda.<br class=""><br class="">I sent the code to Veronique.<br class=""><br class="">Regards,<br class="">Evgeny<br class=""><br class=""><br class=""></blockquote><br class=""></blockquote><br class=""><br class=""></blockquote><br class=""></blockquote><br class=""><br class=""></div></div></blockquote></div><br class=""></div></body></html>