Delocalized Operator Expansion
classification
✦ hep-ph
keywords
expansiondelocalizedoperatoraccountbeenbettercalledconvergence
read the original abstract
A generalization of Wilson's local OPE for the short-distance expansion of Euclidean current correlators, called delocalized operator expansion (DOE), which has been proposed recently, is discussed. The DOE has better convergence properties than the OPE and can account for non-local non-perturbative QCD effects.
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