Non-Perturbative versus Perturbative Renormalization of Lattice Operators

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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4 pages, uuencoded postscript file. Contribution to Lattice 95. Also available from http://www.desy.de/pub/preprints/desy/1995

Scientific paper

10.1016/0920-5632(96)00108-9

Our objective is to compute the moments of the deep-inelastic structure functions of the nucleon on the lattice. A major source of uncertainty is the renormalization of the lattice operators that enter the calculation. In this talk we compare the renormalization constants of the most relevant twist-two bilinear quark operators which we have computed non-perturbatively and perturbatively to one loop order. Furthermore, we discuss the use of tadpole improved perturbation theory.

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