#ifndef St_PP2PP_ElasticEvent
#define St_PP2PP_ElasticEvent

#include "StPP2PPTrack.h"

class StPP2PPElasticEvent: public TObject{

  public:
    StPP2PPElasticEvent();
    ~StPP2PPElasticEvent();
    
    StPP2PPTrack* getTrack(const Int_t&) const;
    Double_t getPhi() const;
    Double_t getTransfer() const;
    Int_t getArm() const;
    
    void setTrack(const Int_t&, StPP2PPTrack*);
    void setPhi(const Double_t&);
    void setTransfer(const Double_t&);
    void setArm(const Int_t&);
    
  private:
    StPP2PPTrack* tracks[2];
    
    Double_t phi;
    Double_t t;
    
    Int_t arm;

  ClassDef(StPP2PPElasticEvent,1)
};



#endif