Radiative and semileptonic decays in Chiral Perturbation Theory

TL;DR

This paper reviews recent theoretical progress in modeling radiative and semileptonic Kaon decays using Chiral Perturbation Theory, including higher-order calculations and isospin breaking effects.

Contribution

It provides an overview of calculations up to order p^6 in Chiral Perturbation Theory for Kaon decays, including new preliminary results on isospin breaking effects.

Findings

Order p^6 calculations for semileptonic decays including isospin breaking

Recent results on radiative decay processes like K_{l3γ}

Advances in theoretical understanding of Kaon decay mechanisms

Abstract

I give a short overview of what has been done in radiative and semileptonic Kaon decays in Chiral Perturbation Theory. This includes for semileptonic decays the work which has been done to order $p^6$ including preliminary results of isospin breaking to that order in $K_{\ell3}$. For the radiative decays I mainly present some results from recent work concerning $K_{\ell3\gamma}$.