TGGCrossPart.h

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#ifndef RAD_TGGCrossPart
#define RAD_TGGCrossPart
 
#include "TVCrossPart.h"
 
class TGGCrossPart : public TVCrossPart {
protected:
  TPhoton* fPhD1;
  TPhoton* fPhD2;
  TPhoton* fPhI1;
  TPhoton* fPhI2;
  double   fCosMin;
  double   fMax;
  double   fNorm;
  double   fNormTheta;
  double   MakeCosTheta();
  double   GetCNorm();
  double   R_3_Gamma();
  double   K_SV( const double& );
  bool     fThetaLocked;
 
public:
  TGGCrossPart();
  ~TGGCrossPart();
  double BornShift( const double&, const double&, const double& );
  double GetValue( const unsigned int );
  void   Init();
  void   SetThetaMin( const double& );
};
 
#endif // #ifndef RAD_TGGCrossPart