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I'll look into it tonight. On Dec 21, 2016 17:38, "Rafayel Paremuzyan" <[log in to unmask]> wrote: > Hi All, > > I was just doing simple tests on new tweak pass, > and noticed something strange in DSTs. > > Attached figure shows momentum distribution of electrons, from different > data sources. > Black is e- momentum from pass6 DST, from the collection fsparticles. > Blue is e- momentum from new(devel) DST, from the collection fsparticles. > Green is e- momentum from pass6 lcio file, from GBLTracks > Red is e- momentum from new (devel) lcio file, from GBLTracks > > Note Black and Blue represent same file number (137) from run 5772, and > hence have same number of events. > The normalization between lcio and DST doesn't necessarily should be the > same, since thery are from > different collections and different files. I am just guessing fsparticles > might have not only GBL tracks, but > seed tracks as well? > > But the most imprtant is momentum distribution of new DSTs look very > different from others, and goes down > even below 50 Mev, while from old data, momentum starts from 100-150 MeV. > > I have looked into positron momentum distributions as well, that one also > is very different from others. > different files from same 5772 also showed this strange shape. > > I haven't actually worked wth DSTs enough, could DST experts comment on > this, > does it really indicates that something is wrong with DSTs? should it be > fixed before we start the pass? > > Rafo > > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the HPS-SOFTWARE list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1 > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1