225 amp=BB*_A_f+BbarB*_Abar_f;
231 amp=barBB*_A_f+barBbarB*_Abar_f;
235 amp=barBB*_A_fbar+barBbarB*_Abar_fbar;
240 amp=BB*_A_fbar+BbarB*_Abar_fbar;
246 double m_parent=p4_parent.
mass();
virtual EvtVector4C epsParent(int i) const
virtual EvtTensor4C epsTensorParent(int i) const
EvtVector4R getP4Restframe()
const EvtVector4R & getP4() const
EvtParticle * getDaug(int i)
double initializePhaseSpace(int numdaughter, EvtId *daughters, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)