Non-perturbative Renormalization of Quark bilinears

Details Non-perturbative Renormalization of Quark bilinears Non-perturbative Renormalization of Quark bilinears

Publishing date

1998-06-05

URL

arxiv.org/abs/hep-lat/9806006v1

Journals

Nucl.Phys. B531 (1998) 429-445

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Lattice

Additional info

21 pages, latex, five latex figures included

Type

Scientific paper

Digital Object Identifier

10.1016/S0550-3213(98)00582-3

Abstract

We compute non-perturbatively the renormalization constants of quark bilinears on the lattice in the quenched approximation at three values of the coupling beta=6/g_0^2=6.0,6.2,6.4 using both the Wilson and the tree-level improved SW-Clover fermion action. We perform a Renormalization Group analysis at the next-to-next-to-leading order and compute Renormalization Group invariant values for the constants. The results are applied to obtain a fully non-perturbative estimate of the vector and pseudoscalar decay constants.

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