78 const G4double cspeed = 2.99792458e+8;
85 vel = cspeed*std::sqrt(1.-rme*rme/((rme+eng)*(rme+eng)));
88 vel = cspeed*std::sqrt(2.*eng/rme);
G4double G4SmpNVel(G4double eng, G4double *cosdiru, G4double *cosdirv, G4double *cosdirw)
void G4SmpIsoDir(G4double *cosdiru, G4double *cosdirv, G4double *cosdirw)