EventDis.h

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#ifndef INCLUDE_EICSMEAR_ERHIC_EVENTDIS_H_
#define INCLUDE_EICSMEAR_ERHIC_EVENTDIS_H_

#include <cmath>  // For pow

#include <Rtypes.h>  // For ClassDef

#include "eicsmear/erhic/VirtualEvent.h"

namespace erhic {

struct DisKinematics;
class VirtualParticle;

class EventDis : public VirtualEvent {
 public:
  virtual ~EventDis();

  EventDis();

  EventDis(const EventDis&);

  EventDis& operator=(const EventDis&);

  virtual Double_t GetX() const;

  virtual Double_t GetQ2() const;
  virtual Double_t GetY() const;
  virtual Double_t GetYPlus() const;
  virtual Double_t GetW2() const;
  virtual Double_t GetNu() const;
  virtual double GetXDoubleAngle() const;

  virtual double GetQ2DoubleAngle() const;

  virtual double GetYDoubleAngle() const;

  virtual double GetW2DoubleAngle() const;

  virtual double GetXJacquetBlondel() const;
  virtual double GetQ2JacquetBlondel() const;

  virtual double GetYJacquetBlondel() const;

  virtual double GetW2JacquetBlondel() const;

  virtual void SetLeptonKinematics(const DisKinematics&);

  virtual void SetJacquetBlondelKinematics(const DisKinematics&);

  virtual void SetDoubleAngleKinematics(const DisKinematics&);

  virtual const VirtualParticle* BeamLepton() const = 0;

  virtual const VirtualParticle* BeamHadron() const = 0;

  virtual const VirtualParticle* ExchangeBoson() const = 0;

  virtual const VirtualParticle* ScatteredLepton() const = 0;

// protected:
  virtual void CopyKinematics(const EventDis&);
  Double32_t x;  
  Double32_t QSquared;  
  Double32_t y;  
  Double32_t WSquared;  
  Double32_t nu;  
  Double32_t yJB;  
  Double32_t QSquaredJB;  
  Double32_t xJB;  
  Double32_t WSquaredJB;  
  Double32_t yDA;  
  Double32_t QSquaredDA;  
  Double32_t xDA;  
  Double32_t WSquaredDA;  

  ClassDef(erhic::EventDis, 1)
};

inline Double_t EventDis::GetX() const {
  return x;
}

inline Double_t EventDis::GetNu() const {
  return nu;
}

inline Double_t EventDis::GetQ2() const {
  return QSquared;
}

inline Double_t EventDis::GetW2() const {
  return WSquared;
}

inline Double_t EventDis::GetY() const {
  return y;
}

inline Double_t EventDis::GetYPlus() const {
  return pow(GetY(), 2.) / (1. + pow(1. - GetY(), 2.));
}

inline double EventDis::GetXDoubleAngle() const {
  return xDA;
}

inline double EventDis::GetQ2DoubleAngle() const {
  return QSquaredDA;
}

inline double EventDis::GetYDoubleAngle() const {
  return yDA;
}

inline double EventDis::GetW2DoubleAngle() const {
  return WSquaredDA;
}

inline double EventDis::GetXJacquetBlondel() const {
  return xJB;
}

inline double EventDis::GetQ2JacquetBlondel() const {
  return QSquaredJB;
}

inline double EventDis::GetYJacquetBlondel() const {
  return yJB;
}

inline double EventDis::GetW2JacquetBlondel() const {
  return WSquaredJB;
}

}  // namespace erhic

#endif  // INCLUDE_EICSMEAR_ERHIC_EVENTDIS_H_