Dear Sho, may I ask you why the initial W nucleus in the simulation file: /mss/hallb/hps/production/readout/tritrig-beam-tri/2pt2/tritrigv1-egsv3-triv2-g4v1_s2d6-readout20140522_1.slcio is moving with Px~67 MeV and Pz~1.5 MeV? While Py is compatible with zero. It can be seen from momentum conservation... Best Regards, Mikhail. ######################################################################## 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