Perturbative renormalization factors for bilinear and four-quark operators for Kogut-Susskind fermions on the lattice
N. Ishizuka, Y. Shizawa
Abstract
Renormalization factors for bilinear and four-quark operators with the Kogut-Susskind fermion action are perturbatively calculated to one-loop order in the general covariant gauge. Results are presented both for gauge invariant and non-invariant operators. For four-quark operators the full renormalization matrix for a complete set of operators with two types of color contraction structures are worked out and detailed numerical tables are given.
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