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EvtRareLbToLllFF.hh
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EvtRareLbToLllFF.hh
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/***********************************************************************
* Copyright 1998-2022 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/>. *
***********************************************************************/
#ifndef EVTRARELBTOLLLFF_HH
#define EVTRARELBTOLLLFF_HH 1
// Include files
/** @class EvtRareLbToLllFF EvtRareLbToLllFF.hh EvtGenModels/EvtRareLbToLllFF.hh
*
*
* @author Thomas Blake
* @date 2013-11-26
*/
#include "EvtGenBase/EvtIdSet.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenModels/EvtRareLbToLllFFBase.hh"
#include <array>
#include <map>
#include <memory>
#include <string>
class EvtRareLbToLllFF : public EvtRareLbToLllFFBase {
public:
class FormFactorDependence final {
public:
FormFactorDependence();
FormFactorDependence( const double al, const double ap );
FormFactorDependence( const double a0, const double a2, const double a4,
const double al, const double ap );
FormFactorDependence( const FormFactorDependence& other );
FormFactorDependence* clone() const;
void param( const double al, const double ap );
void param( const double a0, const double a2, const double a4,
const double al, const double ap );
double m_a0;
double m_a2;
double m_a4;
double m_al;
double m_ap;
};
class FormFactorSet final {
public:
FormFactorSet();
FormFactorSet( const FormFactorSet& other );
EvtRareLbToLllFF::FormFactorDependence m_F1;
EvtRareLbToLllFF::FormFactorDependence m_F2;
EvtRareLbToLllFF::FormFactorDependence m_F3;
EvtRareLbToLllFF::FormFactorDependence m_F4;
EvtRareLbToLllFF::FormFactorDependence m_G1;
EvtRareLbToLllFF::FormFactorDependence m_G2;
EvtRareLbToLllFF::FormFactorDependence m_G3;
EvtRareLbToLllFF::FormFactorDependence m_G4;
EvtRareLbToLllFF::FormFactorDependence m_H1;
EvtRareLbToLllFF::FormFactorDependence m_H2;
EvtRareLbToLllFF::FormFactorDependence m_H3;
EvtRareLbToLllFF::FormFactorDependence m_H4;
EvtRareLbToLllFF::FormFactorDependence m_H5;
EvtRareLbToLllFF::FormFactorDependence m_H6;
};
void init() override;
void getFF( const EvtParticle& parent, const EvtParticle& lambda,
EvtRareLbToLllFFBase::FormFactors& FF ) const override;
private:
double func( const double p,
const EvtRareLbToLllFF::FormFactorDependence& dep ) const;
std::array<std::unique_ptr<EvtRareLbToLllFF::FormFactorSet>, 2> m_FF;
std::map<int, EvtRareLbToLllFF::FormFactorSet*> m_FFMap;
void DiracFF( const EvtParticle& parent, const EvtParticle& lambda,
const EvtRareLbToLllFF::FormFactorSet& FFset,
EvtRareLbToLllFF::FormFactors& FF ) const;
void RaritaSchwingerFF( const EvtParticle& parent, const EvtParticle& lambda,
const EvtRareLbToLllFF::FormFactorSet& FFset,
EvtRareLbToLllFF::FormFactors& FF ) const;
};
#endif // EVTRARELBTOLLLFF_HH

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