1 #include "EvtGenBase/EvtPatches.hh"
2 #include "EvtGenBase/EvtMParticle.hh"
3 #include "EvtGenBase/EvtSpinType.hh"
5 EvtMParticle::EvtMParticle( int label, const EvtId& id )
8 _twospin = EvtSpinType::getSpin2( EvtPDL::getSpinType( id ) );
9 _resonance.push_back( label );
12 EvtSpinAmp EvtMParticle::amplitude( const vector<EvtVector4R> &/*product*/) const
14 vector<EvtSpinType::spintype> types( 2, getspintype() );
15 EvtSpinAmp amp( types, EvtComplex( 0.0, 0.0 ) );
17 for( int i=-_twospin; i<=_twospin; i+=2 )
18 amp(i, i) = EvtComplex( 1.0, 0.0 );
23 EvtMNode * EvtMParticle::duplicate() const
25 return new EvtMParticle( _resonance[0], _id );