EvtRareLbToLll.hh

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#ifndef EVTRARELBTOLLL_HH
#define EVTRARELBTOLLL_HH 1
 
#include "EvtGenBase/EvtAmp.hh"
#include "EvtGenBase/EvtDecayAmp.hh"
#include "EvtGenBase/EvtParticle.hh"
 
#include "EvtGenModels/EvtRareLbToLllFFBase.hh"
#include "EvtGenModels/EvtRareLbToLllWC.hh"
 
#include <memory>
 
// Description:
//      Implements the rare Lb --> Lambda^(*) ell ell models described in
//      http://arxiv.org/pdf/1108.6129.pdf
 
class EvtRareLbToLll : public EvtDecayAmp {
  public:
    std::string getName() const override;
 
    EvtDecayBase* clone() const override;
 
    void init() override;
 
    void initProbMax() override;
 
    void decay( EvtParticle* parent ) override;
 
  protected:
    void calcAmp( EvtAmp& amp, const EvtParticle& parent );
 
    void HadronicAmp( const EvtParticle& parent, const EvtParticle& lambda,
                      EvtVector4C* T, const int i, const int j );
 
    void HadronicAmpRS( const EvtParticle& parent, const EvtParticle& lambda,
                        EvtVector4C* T, const int i, const int j );
 
    bool isParticle( const EvtParticle& parent ) const;
 
  private:
    double m_maxProbability;
    double m_poleSize{ 0.00005 };
    bool m_electronMode{ false };
 
    std::unique_ptr<EvtRareLbToLllFFBase> m_ffmodel;
    std::unique_ptr<EvtRareLbToLllWC> m_wcmodel;
};
#endif    //