The Kaon B-parameter with the Wilson Quark Action using Chiral Ward Identities

Details The Kaon B-parameter with the Wilson Quark Action using Chiral Ward Identities The Kaon B-parameter with the Wilson Quark Action using Chiral Ward Identities

1997-11-10

arxiv.org/abs/hep-lat/9711014v1

Nucl.Phys.Proc.Suppl. 60A (1998) 67-76

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, latex source-file, 10 figures as epsf-file, uses espcrc2.sty. Talk given at International Workshop on Lattice QCD on

Scientific paper

10.1016/S0920-5632(97)00468-4

We present a detailed description of the method and results of our calculation of the kaon B parameter using the Wilson quark action in quenched QCD at $\beta=5.9-6.5$. The mixing problem of the $\Delta s=2$ four-quark operators is solved non-perturbatively with full use of chiral Ward identities. We find $B_K(NDR, 2 GeV)=0.562(64)$ in the continuum limit, which agrees with the value obtained with the Kogut-Susskind quark action.

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