TVCrossPart.h

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#ifndef RAD_TVCrossPart
#define RAD_TVCrossPart
 
#include "TEvent.h"
#include "TDFun.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