StEEmcIUPair.h

#ifndef __StEEmcIUPair_h__
#define __StEEmcIUPair_h__

#include "TObject.h"
#include "StEEmcIUPoint.h"
#include "TVector3.h"
#include <vector>

class StEEmcIUPair : public TObject {

 public:

  StEEmcIUPair();
  StEEmcIUPair( StEEmcIUPoint p1, StEEmcIUPoint p2 );
  StEEmcIUPair( StEEmcIUPoint p1, StEEmcIUPoint p2, TVector3 vertex );
  StEEmcIUPair( StEEmcIUPoint p1, StEEmcIUPoint p2, TVector3 vertex1, TVector3 vertex2 );
  ~StEEmcIUPair(){ /* nada */ };

  StEEmcIUPair( const StEEmcIUPair &old );

  StEEmcIUPoint point(Int_t index){ return mPoint[index]; } 

  Float_t mass();
  Float_t energy();
  Float_t zgg();
  Float_t phigg();
  Float_t pt();
  Float_t pz();
  TVector3 momentum();
  TVector3 vertex();

  void print();

 private:
 protected:

  void Kinematics();

  Float_t  mMass;     
  Float_t  mEnergy;   
  Float_t  mZgg;      
  Float_t  mPhigg;    
  TVector3 mMomentum; 
  TVector3 mVertex1;  
  TVector3 mVertex2;  
  TVector3 mVertex;   
  StEEmcIUPoint mPoint[2]; 
  ClassDef(StEEmcIUPair,1);

};

inline Float_t StEEmcIUPair::mass(){ return mMass; }
inline Float_t StEEmcIUPair::energy(){ return mEnergy; }
inline Float_t StEEmcIUPair::zgg(){ return mZgg; }
inline Float_t StEEmcIUPair::phigg(){ return mPhigg; }
inline Float_t StEEmcIUPair::pt(){ return mMomentum.Perp(); }
inline Float_t StEEmcIUPair::pz(){ return mMomentum.Pz(); }
inline TVector3 StEEmcIUPair::momentum(){ return mMomentum; }
inline TVector3 StEEmcIUPair::vertex(){ return mVertex; }

typedef std::vector< StEEmcIUPair > StEEmcIUPairVec_t;

#endif