Float_t Px() const { return fPx; }
Float_t Py() const { return fPy; }
Float_t Pz() const { return fPz; }
+ Float_t P() const;
+ Float_t M() const;
+ Float_t Q() const;
Int_t Pdg() const { return fPdg; }
Float_t Time() const { return fTime; }
void Print(Option_t* opt="") const;