@article{oai:tsukuba.repo.nii.ac.jp:00017446, author = {石塚, 成人 and Ishizuka, N. and Shizawa, Y.}, issue = {7}, journal = {Physical review D}, month = {Apr}, note = {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 -noninvariant operators. For four-quark operators the full renormalization matrix for a complete set of operators with two types of color contraction structures is worked out and detailed numerical tables are given.}, pages = {3519--3539}, title = {Perturbative renormalization factors for bilinear and four-quark operators for Kogut-Susskind fermions on the lattice}, volume = {49}, year = {1994} }