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Construction of nonlocal light-cone operators with definite twist

B. Geyer, M. Lazar, D. Robaschik

hep-pharXiv:hep-ph/9905299

Abstract

A systematic procedure is introduced to uniquely decompose nonlocal LC-operators into harmonic operators of well defined geometric twist. The method will be demonstrated for (pseudo)scalar, (axial) vector and skew tensor bilocal quark light-ray operators

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