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Renormalons Beyond One-Loop

Taekoon Lee

hep-tharXiv:hep-th/9611010

Abstract

Higher order renormalons beyond the chain of one-loop bubbles are discussed. A perturbation method for the infrared renormalon residue is found. The large order behavior of the current-current correlation function due to the first infrared renormalon is determined in both QED and QCD to the first three orders.

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