TVCrossPart.h

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#ifndef RAD_TVCrossPart
#define RAD_TVCrossPart
 
#include "TDFun.h"
#include "TEvent.h"
 
class TVCrossPart {
protected:
  unsigned int fNPart; // Number of kinematics region of matrix element
  TEvent*      fEvent; // Make & Select events class
  TDFun*       fD;     // Structure function for electrons
  bool         fHardPhoton;
  bool         fZeroVP;
  bool         fNoFSR;
 
public:
  TVCrossPart(){};
  virtual ~TVCrossPart(){};
  virtual void   Init(){};
  virtual double GetValue( const unsigned int ) { return 0; };
  void           PrintEvent() { fEvent->Print(); }
  inline void    GetEvent( double& p0, double& t0, double& ph0, double& p1, double& t1,
                           double& ph ) {
    fEvent->GetEvent( p0, t0, ph0, p1, t1, ph );
  }
  inline void    GetEvent( double* m, int& n ) { fEvent->GetEvent( m, n ); }
  inline TEvent* GetEvent() { return fEvent; }
  unsigned int   GetNPart() { return fNPart; }
  virtual void   SetThetaMin( const double& ) = 0;
  virtual void   SetHardPhoton( const bool& x ) { fHardPhoton = x; }
  void           SetZeroVP() { fZeroVP = true; }
  void           SetDefaultVP() { fZeroVP = false; }
  void           SetNoFSR() { fNoFSR = true; }
  virtual double BornShift( const double&, const double&, const double& ) = 0;
  double         BornCrossSection( const double& );
};
 
#endif // #ifndef RAD_TVCrossPart