B_K with dynamical overlap fermions

H. Fukaya; H. Matsufuru; JLQCD Collaboration: N. Yamada; J. Noaki; S. Aoki; S. Hashimoto; T. Kaneko; T. Onogi

arxiv: 0710.0462 · v1 · submitted 2007-10-02 · ✦ hep-lat

B_K with dynamical overlap fermions

JLQCD Collaboration: N. Yamada , S. Aoki , H. Fukaya , S. Hashimoto , J. Noaki , T. Kaneko , H. Matsufuru , T. Onogi This is my paper

classification ✦ hep-lat

keywords dynamicalfermionsoverlapcalculationcompareddependencediscussedeffects

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We report on a calculation of $B_K$ with two-flavor dynamical overlap fermions on a $16^3 \times 32$ lattice at $a\sim 0.12$ fm. The results are compared with the PQChPT prediction of quark mass dependence. The systematic errors due to finite volume effects and fixing topology are discussed.

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B_K with dynamical overlap fermions

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