#ifndef HADRONS_ME_Library_Baryon_SimpleDecay_MEs_H #define HADRONS_ME_Library_Baryon_SimpleDecay_MEs_H #include "HADRONS++/ME_Library/HD_ME_Base.H" namespace HADRONS { class D_Radiative_E1 : public HD_ME_Base { public: D_Radiative_E1(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class D_Radiative_M1 : public HD_ME_Base { public: D_Radiative_M1(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class R_Radiative_E1 : public HD_ME_Base { public: R_Radiative_E1(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class R_Radiative_M1 : public HD_ME_Base { public: R_Radiative_M1(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class D_DP : public HD_ME_Base { public: D_DP(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class D_DV : public HD_ME_Base { public: D_DV(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class D_RP : public HD_ME_Base { public: D_RP(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class D_RV : public HD_ME_Base { public: D_RV(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class R_DP : public HD_ME_Base { public: R_DP(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class R_DV : public HD_ME_Base { public: R_DV(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; class R_RP : public HD_ME_Base { public: R_RP(ATOOLS::Flavour * flavs,int n,int* indices,std::string name) : HD_ME_Base(flavs,n,indices,name) {}; void Calculate(const ATOOLS::Vec4D_Vector& momenta, bool anti=false); void SetModelParameters(GeneralModel); }; /*! \class D_Radiative_E1 \brief For radiative decays \f$\frac12\to \frac{1}{2'}\gamma\f$ through an electric transition. \f[ {\cal M} = A_{E1}\bar u_{1/2'}\gamma^\mu\gamma_5u_{1/2}F^{\mu\nu}p_{0\mu} \f] */ /*! \class D_Radiative_M1 \brief For radiative decays \f$\frac12\to \frac{1}{2'}\gamma\f$ through a magnetic transition. \f[ {\cal M} = A_{M1}\bar u_{1/2'}\sigma^{\mu\nu}\bar u_{1/2}F^{\mu\nu}\f] \f] Here, the Gordon-identity can/must be used to rephrase this in terms of known expressions for the spinor line. */ /*! \class R_Radiative_E1 \brief For radiative decays \f$\frac32\to \frac12\gamma\f$ through an electric transition. \f[ {\cal M} = A_{E1}\bar u_{1/2}\bar u_{\nu, 3/2} F^{\mu\nu}p_{0\mu} \f] */ /*! \class R_Radiative_M1 \brief For radiative decays \f$\frac32\to\frac12\gamma\f$ through a magnetic transition. \f[ {\cal M} = A_{M1}\bar u_{1/2}\gamma_\mu\gamma_5\bar u_{\nu, 3/2}F^{\mu\nu} \f] */ /*! \class D_DP \brief For decays \f$\frac12\to \frac{1}{2'}P\f$ \f[ {\cal M} = \bar u_{1'/2}(a+b\gamma_5)u_{1/2} \f] */ /*! \class D_DV \brief For decays \f$\frac12\to \frac{1}{2'}V\f$ \f[ {\cal M} = \epsilon^*_\mu\bar u_{1'/2}\left[\gamma^\mu(a+b\gamma_5)+ p^\mu_{1/2}(a'+b'\gamma_5)\right]u_{1/2} \f] */ /*! \class D_RP \brief For decays \f$\frac12\to \frac32P\f$ \f[ {\cal M} = \bar u^\mu_{3/2}(a+b\gamma_5)u_{1/2}p_{\mu,1/2} \f] */ /*! \class D_RV \brief For decays \f$\frac12\to \frac32V\f$ \f[ {\cal M} = \bar u^\mu_{3/2}\left[g_{\mu\nu}(a+b\gamma_5)+ p_{\mu,1/2}p_{\nu,3/2}(a'+b'\gamma_5)\right] u^\mu_{1/2}\epsilon^{*\nu} \f] */ /*! \class R_DP \brief For decays \f$\frac32\to \frac12P\f$ \f[ {\cal M} = \bar u_{1/2}(a+b\gamma_5)u^\mu_{3/2}p_{\mu,1/2} \f] */ /*! \class R_DV \brief For decays \f$\frac32\to \frac12V\f$ \f[ {\cal M} = \bar u_{1/2}\left[g_{\mu\nu}(a+b\gamma_5)+ p_{\mu,1/2}p_{\nu,3/2}(a'+b'\gamma_5)\right] u^\mu_{3/2}\epsilon^{*\nu} \f] */ /*! \class R_RP \brief For decays \f$\frac32\to \frac{3}{2'}P\f$ \f[ {\cal M} = \bar u^\mu_{3'/2}\left[g_{\mu\nu}(a+b\gamma_5)+ p_\mu p'_\nu(a'+b'\gamma_5)\right]u^\nu_{3/2} \f] */ /*! \file Baryon_SimpleDecay_MEs.H For non-leptonic Hyperon decays, see hep-ph/9902351, for the Omegas, cf.\ hep-ph/9905398, for \f$\Omega->\Xi^*\pi\f$, see hep-ph/0405162. */ }; #endif