Kaon B Parameter in Quenched QCD

Abstract

I calculate the kaon B-parameter with a lattice simulation in quenched approximation. The lattice simulation uses an action possessing exact lattice chiral symmetry, an overlap action. Computations are performed at two lattice spacings, about 0.13 and 0.09 fm (parameterized by Wilson gauge action couplings beta=5.9 and 6.1) with nearly the same physical volumes and quark masses. I describe particular potential difficulties which arise due to the use of such a lattice action in finite volume. My results are consistent with other recent lattice determinations using domain-wall fermions.

23 pages, Revtex, 16 postscript figures

References in corpus (6)

• One loop matching coefficients for a variant overlap action--and some of its simpler relatives
• Chiral Effective Lagrangian and Quark Masses
• Scale setting for alpha_s beyond leading order
• Quenched QCD with fixed-point and chirally improved fermion
• Matching coefficients for improved staggered bilinears
• Kaon B-parameter using Overlap Fermions

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