EvtRareLbToLllFF.hh

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#ifndef EVTRARELBTOLLLFF_HH
#define EVTRARELBTOLLLFF_HH 1
 
// Include files

 
#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