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Hi Sebouh, The EcalClusters collection contains all clusters (prior to energy/position corrections) in the Ecal (no matching). After matching, matched clusters go into the collection EcalClustersCorr and contain energy and position corrections. -Holly On Tue, Jul 28, 2015 at 1:47 PM, Sebouh Paul <[log in to unmask]> wrote: > Which collections in the recon pass1 contain the following information? > 1) ECal clusters that may or may not be matched to a track (i assume this > is "EcalClusters") > 2) Tracks in the SVT that may or may not be matched to a cluster > > The reason why I am interested in this is because for one project (the > muon/pion detection) I am interested in looking for events with 3 tracks in > the SVT and 1 cluster in the Ecal, and filtering out other types of > events. For the other project (proton radius) I am interested in looking > for events with exactly one track and exactly one cluster, so that i can > look at just the elastic scattering with everything else filtered out. (if > there are 2 tracks and one cluster, it might be moeller scattering where > one cluster is just missing, for instance if the particle just missed the > ECal. Or if there are 3 tracks and one cluster, it might be a muon or pion > event). > > thanks. > > ------------------------------ > > 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 > ------------------------------ > NOTE: This message was trained as non-spam. If this is wrong, please > correct the training as soon as possible. > Spam > <https://www.spamtrap.odu.edu/canit/b.php?i=03OVRMhw9&m=790f864be4fd&t=20150728&c=s> > Not spam > <https://www.spamtrap.odu.edu/canit/b.php?i=03OVRMhw9&m=790f864be4fd&t=20150728&c=n> > Forget previous vote > <https://www.spamtrap.odu.edu/canit/b.php?i=03OVRMhw9&m=790f864be4fd&t=20150728&c=f> > ######################################################################## 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