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Differential D87 Diff 389 src/EvtGenModels/EvtVSS.cpp

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src/EvtGenModels/EvtVSS.cpp

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void EvtVSS::decay( EvtParticle* p ) void EvtVSS::decay( EvtParticle* p )
{ {
p->initializePhaseSpace( getNDaug(), getDaugs() ); p->initializePhaseSpace( getNDaug(), getDaugs() );
EvtVector4R pDaug = p->getDaug( 0 )->getP4(); EvtVector4R pDaug = p->getDaug( 0 )->getP4();
double norm = 1.0 / pDaug.d3mag(); double norm = 1.0 / pDaug.d3mag();
pDaug *= norm;
// std::cout<<"VSS "<<norm<<std::endl;
for ( int i = 0; i < 3; i++ ) for ( int i = 0; i < 3; i++ )
vertex( i, norm * pDaug * ( p->eps( i ) ) ); vertex( i, pDaug * ( p->eps( i ) ) );
return; return;
} }