Progress in kaon physics on the lattice
Andreas Juttner
TL;DR
This paper reviews recent progress in lattice QCD calculations related to kaon physics, focusing on CKM unitarity, CP violation, and decay processes, highlighting current results and future improvements.
Contribution
It provides a comprehensive comparison of recent lattice results for kaon decays and mixing, and discusses advancements to enhance future computational accuracy.
Findings
f_K/f_π=1.198(10)
f_+^{Kπ}(0)=0.964(5)
ilde{B}_K=0.720(39)
Abstract
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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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research