Calculation of weak matrix elements in domain-wall QCD with the DBW2 gauge action

Details Calculation of weak matrix elements in domain-wall QCD with the DBW2 gauge action Calculation of weak matrix elements in domain-wall QCD with the DBW2 gauge action

2002-11-06

arxiv.org/abs/hep-lat/0211013v2

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 4 figures, Lattice2002(Weak Matrix Elements). Footnote and reference were corrected

Scientific paper

We report the details of our ongoing quenched calculations of weak matrix elements using the combination of domain-wall fermions and the DBW2 gauge action on lattices with $a^{-1}\approx 3$ GeV. A strategy to avoid the problem of fixed topological charge is introduced in generating gauge configurations. After studying the basic run parameters and elemental quantities, we present a preliminary result for the kaon B-parameter ($B_K$).

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