Factorization and Resummation for the Near-Side Energy-Energy Correlators

By utilizing the dihadron fragmentation formalism, we extend the previous factorization of near-side energy-energy correlators (EECs) in the collinear limit and derive an all order resummation in the Fourier transform b_{T}-space. A perfect matching is obtained when we compare to the fixed-order results. We further demonstrate the resummation effects for the EECs in e^{+}e^{-} annihilation and show that they will significantly improve the theoretical predictions at small angles.