Perturbative Renormalization Factors of Bilinear Operators for Massive Wilson Quarks on the Lattice

Details Perturbative Renormalization Factors of Bilinear Operators for Massive Wilson Quarks on the Lattice Perturbative Renormalization Factors of Bilinear Operators for Massive Wilson Quarks on the Lattice

1997-05-26

arxiv.org/abs/hep-lat/9705036v2

Phys.Rev. D58 (1998) 034507

Physics

High Energy Physics

High Energy Physics - Lattice

43 pages, latex source-file, 12 figures as ps-file. Our result is compared with the static and the NRQCD ones

Scientific paper

10.1103/PhysRevD.58.034507

Renormalization factors for local vector and axial vector currents for the Wilson quark action are perturbatively calculated to one loop order including finite quark masses from the ratio of the on-shell quark matrix elements in the Feynman gauge defined on the lattice and in the continuum. For large quark masses of order unity in lattice units, we find that finite quark mass effects are quite large: one-loop coefficients of the renormalization factors differ by 100% compared to those in the massless limit.

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