TPiFormFactor.h

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#ifndef RAD_TPiFormFactor
#define RAD_TPiFormFactor
 
#include <complex>
#include "TFormFactor.h"
 
class TPiFormFactor:public TFormFactor{
protected:
  int fPrm; // select parameterization
  double fM_rho;
  double fG_rho;
  double fM_rho_p;
  double fG_rho_p;
  double fM_rho_p2;
  double fG_rho_p2;
 
  double fM_omega;
  double fM_omega2;
  double fG_omega;
  double fG_omega_ee;
  double fBr_omega_pipi;
  double fPhi_rho_omega;
 
  double fM_phi;
  double fM_phi2;
  double fG_phi;
  double fG_phi_ee;
  double fBr_phi_pipi;
  double fPhi_rho_phi;
 
  std::complex<double> fBeta;
  std::complex<double> fDelta;
 
  std::complex<double> fAmp_omega;
  std::complex<double> fAmp_phi;
 
  virtual std::complex<double> ff(const double &);
  std::complex<double> GS(const double &, const double &, const double &);
  double f(const double &, const double &, const double &);
  double G_rho(const double &, const double &, const double &);
  double h(const double &);
  double ppi(const double &);
public:
  TPiFormFactor();
  ~TPiFormFactor(){};
  void SetFFParameters(const double&, const double&, const double&, const double&, 
               const double&, const double&, const double&, const double&,
               const double&, const double&);
  void SetFFParameters(double *par);
};
 
#endif // #ifndef RAD_TPiFormFactor