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Anyone have a good answer for this? On Jun 18, 2014, at 10:25 AM, Rafayel Paremuzyan <[log in to unmask]> wrote: > Dear jeremy, > > I am running a very simple code over Mock Data, > and now I am trying to get Lorentz Vectors of two MCParticles, and > reconstruct their invariant mass. > > In the following documentation > http://www.lcsim.org/sites/lcsim/apidocs/index.html > I found a method "asFourVector" which returns "HepLorentzVector" type > object, > however looks like "HepLorentzVector" has very limited methods, and in > particular I didn't > find a way to sum two "HepLorentzVector"s. > > There is also another class "Lorentz4Vector" which has much more methods > including the sum. > Now I am not sure how to get Lorentz4Vector from MCParticle. > > Is there a simple way of doing that? > > Rafayel > ######################################################################## 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