EvtMelikhov.cpp

Go to the documentation of this file.

 
/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
*                                                                      *
* This file is part of EvtGen.                                         *
*                                                                      *
* EvtGen is free software: you can redistribute it and/or modify       *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or    *
* (at your option) any later version.                                  *
*                                                                      *
* EvtGen is distributed in the hope that it will be useful,            *
* but WITHOUT ANY WARRANTY; without even the implied warranty of       *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
* GNU General Public License for more details.                         *
*                                                                      *
* You should have received a copy of the GNU General Public License    *
* along with EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
***********************************************************************/
 
#include "EvtGenModels/EvtMelikhov.hh"
 
#include "EvtGenBase/EvtGenKine.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenBase/EvtSemiLeptonicVectorAmp.hh"
 
#include "EvtGenModels/EvtMelikhovFF.hh"
 
#include <stdlib.h>
#include <string>
 
std::string EvtMelikhov::getName() const
{
    return "MELIKHOV";
}
 
EvtDecayBase* EvtMelikhov::clone() const
{
    return new EvtMelikhov;
}
 
void EvtMelikhov::decay( EvtParticle* p )
{
    p->initializePhaseSpace( getNDaug(), getDaugs() );
    m_calcamp->CalcAmp( p, m_amp2, m_Melikhovffmodel.get() );
}
 
void EvtMelikhov::init()
{
    checkNArg( 1 );
    checkNDaug( 3 );
 
    //We expect the parent to be a scalar
    //and the daughters to be X lepton neutrino
 
    checkSpinParent( EvtSpinType::SCALAR );
 
    checkSpinDaughter( 0, EvtSpinType::VECTOR );
    checkSpinDaughter( 1, EvtSpinType::DIRAC );
    checkSpinDaughter( 2, EvtSpinType::NEUTRINO );
 
    m_Melikhovffmodel = std::make_unique<EvtMelikhovFF>( getArg( 0 ) );
    m_calcamp = std::make_unique<EvtSemiLeptonicVectorAmp>();
}
 
void EvtMelikhov::initProbMax()
{
    setProbMax( 10000.0 );
}