Factorization and Resummation for the Nearside Energy-Energy Correlators
Abstract
By utilizing the di-hadron fragmentation formalism, we extend the previous factorization of nearside energy-energy correlators (EEC) in the collinear limit and derive an all order resummation in the Fourier transform bT-space. A perfect matching is obtained when we compare to the fixed-order results. We further demonstrate the resummation effects for the EEC in e+e- annihilation and show that they will significantly improve the theoretical predictions at small angles.
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