EvtPhspDecaytimeCut.cpp

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#include "EvtGenModels/EvtPhspDecaytimeCut.hh"

#include "EvtGenBase/EvtGenKine.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"

#include <stdlib.h>
#include <string>
#include <iostream>

std::string EvtPhspDecaytimeCut::getName()
{
    return "PHSPDECAYTIMECUT";
}

EvtDecayBase* EvtPhspDecaytimeCut::clone()
{
    return new EvtPhspDecaytimeCut;
}

void EvtPhspDecaytimeCut::init()
{
    // check that there are 1 arguments
    checkNArg( 1 );
    // This argument is minimum decay time in ps converted here to EvtGen
    // units in which c=1
    m_minDecayTime = getArg( 0 ) * EvtConst::c * 1.e-12;
}

void EvtPhspDecaytimeCut::initProbMax()
{
    noProbMax();
}

void EvtPhspDecaytimeCut::decay( EvtParticle* p )
{
    p->initializePhaseSpace( getNDaug(), getDaugs() );

    // Shift generated decay time by minimum we require
    const double currentDecaytime = p->getLifetime();
    p->setLifetime( currentDecaytime + m_minDecayTime );

    return;
}