Progress in kaon physics on the lattice

Details Progress in kaon physics on the lattice Progress in kaon physics on the lattice

2007-11-08

arxiv.org/abs/0711.1239v1

PoSLAT2007:014,2007

Physics

High Energy Physics

High Energy Physics - Lattice

22pages, Plenary talk at the 25th International Symposium on Lattice Field Theory, Regensburg, Germany, 30 Jul - 4 Aug 2007

Scientific paper

CKM-unitarity, direct and indirect CP-violation and the \Delta I=1/2 rule in full lattice QCD are the focus of this talk. To this end I will discuss and compare recent lattice results for leptonic, semi-leptonic and non-leptonic decays of the kaon and neutral kaon mixing and I will motivate current best estimates f_K/f_\pi=1.198(10), f_+^{K\pi}(0)=0.964(5) and \hat{B}_K=0.720(39). Moreover new theoretical advances that will improve the quality of these computations in the future will be discussed.

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