Float_t fPx; // Momentum along x
Float_t fPy; // Momentum along y
Float_t fPz; // Momentum along z
Float_t fTheta; // Polar angle in radian
Float_t fEta; // Pseudo-rapidity
Float_t fPhi; // Azimuthal angle in radian
Float_t fPx; // Momentum along x
Float_t fPy; // Momentum along y
Float_t fPz; // Momentum along z
Float_t fTheta; // Polar angle in radian
Float_t fEta; // Pseudo-rapidity
Float_t fPhi; // Azimuthal angle in radian