include/EvtGenModels/EvtLb2Lll.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTLB2LLL_HH
0022 #define EVTLB2LLL_HH
0023
0024 #include "EvtGenBase/EvtDecayAmp.hh"
0025 #include "EvtGenBase/EvtDiracSpinor.hh"
0026 #include "EvtGenBase/EvtTensor4C.hh"
0027
0028 #include "EvtGenModels/EvtWilsonCoefficients.hh"
0029
0030 // Desription: Routine to implement Lambda_b0 -> Lambda_0 l+ l- decays accroding to
0031 //             several models: Chen. Geng.
0032 //                             Aliev. Ozpineci. Savci.
0033
0034 class EvtLb2Lll : public EvtDecayAmp {
0035   public:
0036     std::string getName() override;
0037     EvtDecayBase* clone() override;
0038
0039     void decay( EvtParticle* p ) override;
0040     void init() override;
0041     void initProbMax() override;
0042     void calcAmp( EvtAmp* amp, EvtParticle* parent );
0043
0044     EvtTensor4C EvtLeptonTG5Current( const EvtDiracSpinor& d,
0045                                      const EvtDiracSpinor& dp );
0046
0047   private:
0048     double m_polarizationLambdab0;
0049     double m_maxProbability;
0050     double m_poleSize;
0051     long m_noTries;
0052     double m_omega;
0053
0054     std::string m_decayName;
0055     std::string m_polarizationIntroduction;
0056     std::string m_HEPmodel;
0057     std::string m_FFtype;
0058     std::string m_effectContribution;
0059
0060     EvtWilsonCoefficients m_WC;
0061 };
0062
0063 #endif