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File indexing completed on 2025-04-19 09:10:04

0001 #ifndef HADRONS_Current_Library_VA_P_P_H
0002 #define HADRONS_Current_Library_VA_P_P_H
0003 
0004 #include "HADRONS++/Current_Library/Current_Base.H"
0005 
0006 namespace HADRONS
0007 {
0008 
0009 namespace VA_P_P_FFs
0010 {
0011 class FormFactor_Base {
0012 protected:
0013   const ATOOLS::Flavour_Vector& m_flavs;
0014   const std::vector<int>& p_i;
0015   double m_m0, m_m1;
0016   double m_fplus, m_f0;
0017   bool   m_calced;
0018 public:
0019   FormFactor_Base(struct GeneralModel model, double* masses, 
0020                   const ATOOLS::Flavour_Vector& flavs,
0021                   const std::vector<int>& indices) :
0022     m_flavs(flavs), p_i(indices){
0023     m_m0=masses[0];
0024     m_m1=masses[1];
0025     m_fplus=0.0; m_f0=0.0;
0026     m_calced=false;
0027   }
0028   virtual ~FormFactor_Base();
0029   virtual void CalcFFs( ATOOLS::Vec4D p0, ATOOLS::Vec4D p1 ) = 0;
0030   double fplus()  { if(!m_calced) abort(); return m_fplus; }
0031   double f0()     { if(!m_calced) abort(); return m_f0; }
0032 };
0033 }
0034 
0035 class VA_P_P : public Current_Base {
0036   // 0=Scalar, 1=Pseudoscalar
0037 
0038   double m_Vxx;
0039   VA_P_P_FFs::FormFactor_Base* p_ff;
0040 public:
0041   VA_P_P(const ATOOLS::Flavour_Vector& flavs,const std::vector<int>& indices,
0042          const std::string& name) :
0043     Current_Base(flavs, indices, name) {};
0044   ~VA_P_P() {
0045     if (p_ff!=NULL) delete p_ff;
0046   }
0047   void SetModelParameters( struct GeneralModel _md );
0048   void Calc(const ATOOLS::Vec4D_Vector& moms, bool m_anti);
0049 };
0050 
0051 }
0052 #endif