TPiFormFactor.h

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#ifndef RAD_TPiFormFactor
#define RAD_TPiFormFactor
 
#include "TFormFactor.h"
#include <complex>
 
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