Hello Luca, The event weight in the stdhep file is preserved through the processing chain and can be retrieved in your analysis with event.getWeight(). I do not know how this is handled if you overlay beam events, though. Norman -----Original Message----- From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Luca Colaneri Sent: Wednesday, December 16, 2015 12:56 PM To: hps-software Subject: weighted events Hello guys, is there a way to preservw the weight of a MC event throughout the whole simulation chain? L. ######################################################################## 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