Non-perturbative Renormalization of Lattice Operators

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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9 pages, uuencoded PS file, 8 figures included, 1 table

Scientific paper

10.1016/0920-5632(96)00034-5

We briefly review and compare three methods (one perturbative, one based on Ward Identities and one non-perturbative) for the calculation of the renormalization constants of lattice operators. The following results are presented: (a) non perturbative renormalization of the operators with light quarks; (b) the renormalization constants with a heavy (charm) quark mass and its KLM improvement; (c) the non perturbative determination of the mixing of the $\Delta S = 2$ operator.

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