Kaon B Parameter in Quenched QCD

Details Kaon B Parameter in Quenched QCD Kaon B Parameter in Quenched QCD

2003-09-08

arxiv.org/abs/hep-lat/0309026v1

Phys.Rev.D69:014504,2004

Physics

High Energy Physics

High Energy Physics - Lattice

23 pages, Revtex, 16 postscript figures

Scientific paper

10.1103/PhysRevD.69.014504

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.

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