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EvtBcBsStarNPi.cpp
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EvtBcBsStarNPi.cpp
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//--------------------------------------------------------------------------
//
// Environment:
// This software is part of the EvtGen package. If you use all or part
// of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//
// Module: EvtGenModels/EvtBcBsStarNPi.hh
//
// Description: Decay model for Bc -> Bs* + npi
//
// Modification history:
//
// A.Berezhnoy, A.Likhoded, A.Luchinsky April 2011 Module created
//
//------------------------------------------------------------------------
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenModels/EvtBcBsStarNPi.hh"
#include "EvtGenBase/EvtSpinType.hh"
EvtBcBsStarNPi::EvtBcBsStarNPi() {
_beta=-0.108; _mRho=0.775; _gammaRho=0.149;
_mRhopr=1.364; _gammaRhopr=0.400; _mA1=1.23; _gammaA1=0.4;
FA0_N=8.1; FA0_c1=0.30; FA0_c2=0.069;
FAm_N=0.0; FAm_c1=0.0; FAm_c2=0.0;
FAp_N=0.15; FAp_c1=0.30; FAp_c2=0.069;
FV_N= 1.08; FV_c1=0.30; FV_c2=0.069;
}
EvtBcBsStarNPi::~EvtBcBsStarNPi() {
}
std::string EvtBcBsStarNPi::getName() {
return "BC_BSSTAR_NPI";
}
EvtDecayBase* EvtBcBsStarNPi::clone() {
return new EvtBcBsStarNPi;
}
void EvtBcBsStarNPi::init() {
checkNArg(0);
// check spins
checkSpinParent(EvtSpinType::SCALAR);
checkSpinDaughter(0,EvtSpinType::VECTOR);
// the others are scalar
for (int i=1; i<=(getNDaug()-1);i++) {
checkSpinDaughter(i,EvtSpinType::SCALAR);
}
}
void EvtBcBsStarNPi::initProbMax() {
if ( getNDaug() == 2 ) {
setProbMax(100.);
} else if( getNDaug() == 3 ) {
setProbMax(40000.);
} else if( getNDaug() == 4 ) {
setProbMax(620.); // checked, 30k events
}
}

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