Hello, has anyone used the TGenPhaseSpace class by any chance? I currently use ROOT_v2.25 on RH6.1. My problem comes when I try to Generate() the phase space, I get a core dump. The interesting part of the program is really simple: TGenPhaseSpace ps; TLorentzVector cm_mom; Double_t masses; masses[0]=0.; masses[1]=mproton; cm_mom.SetPxPyPzE(0,0,-qmod,nu+mproton); // qmod, nu and mproton are Double_t if ( ps.SetDecay(cm_mom,2,masses,"normal") ) cout << "SetDecay Success !" << endl; // This does produce a success, so SetDecay works ps.Generate(); // This core dumps !!!!!!!! Anyone has an idea what's going on? Regards, Franck
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