EvtLb2Lll.hh

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#ifndef EVTLB2LLL_HH
#define EVTLB2LLL_HH

#include "EvtGenBase/EvtDecayAmp.hh"
#include "EvtGenBase/EvtDiracSpinor.hh"
#include "EvtGenBase/EvtTensor4C.hh"

#include "EvtGenModels/EvtWilsonCoefficients.hh"

// Desription: Routine to implement Lambda_b0 -> Lambda_0 l+ l- decays accroding to
//             several models: Chen. Geng.
//                             Aliev. Ozpineci. Savci.

class EvtLb2Lll : public EvtDecayAmp {
  public:
    std::string getName() override;
    EvtDecayBase* clone() override;

    void decay( EvtParticle* p ) override;
    void init() override;
    void initProbMax() override;
    void calcAmp( EvtAmp* amp, EvtParticle* parent );

    EvtTensor4C EvtLeptonTG5Current( const EvtDiracSpinor& d,
                                     const EvtDiracSpinor& dp );

  private:
    double m_polarizationLambdab0;
    double m_maxProbability;
    double m_poleSize;
    long m_noTries;
    double m_omega;

    std::string m_decayName;
    std::string m_polarizationIntroduction;
    std::string m_HEPmodel;
    std::string m_FFtype;
    std::string m_effectContribution;

    EvtWilsonCoefficients m_WC;
};

#endif