B_K with dynamical overlap fermions
JLQCD Collaboration: N. Yamada, S. Aoki, H. Fukaya, S. Hashimoto, J., Noaki, T. Kaneko, H. Matsufuru, T. Onogi
TL;DR
This paper presents a calculation of the kaon B-parameter ($B_K$) using two-flavor dynamical overlap fermions on a lattice, comparing results with chiral perturbation theory and discussing systematic errors.
Contribution
It provides the first calculation of $B_K$ with dynamical overlap fermions on a $16^3 imes 32$ lattice at this lattice spacing.
Findings
Results agree with PQChPT predictions.
Finite volume and topology fixing effects are analyzed.
Systematic errors are discussed.
Abstract
We report on a calculation of with two-flavor dynamical overlap fermions on a lattice at 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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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · Black Holes and Theoretical Physics