5#ifndef P4JacobianEEtaPhiM2PxPyPzE_H
6#define P4JacobianEEtaPhiM2PxPyPzE_H
8#include "CLHEP/Matrix/Matrix.h"
Scalar eta() const
pseudorapidity method
Scalar phi() const
phi method
P4JacobianEEtaPhiM2PxPyPzE(double E, double eta, double phi, double M)