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Kaon decays in the standard model

Vincenzo Cirigliano*, Gerhard Ecker†, Helmut Neufeld‡, Antonio Pich§, and Jorge Portolés∥

Vincenzo Cirigliano*

  • Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

Gerhard Ecker† and Helmut Neufeld‡

  • University of Vienna, Faculty of Physics, Boltzmanngasse 5, A-1090 Wien, Austria

Antonio Pich§ and Jorge Portolés∥

  • Departament de Física Teòrica, IFIC, Universitat de València—CSIC, Apartat de Correus 22085, E-46071 València, Spain

  • *cirigliano@lanl.gov
  • †gerhard.ecker@univie.ac.at
  • ‡helmut.neufeld@univie.ac.at
  • §Antonio.Pich@ific.uv.es
  • ∥Jorge.Portoles@ific.uv.es
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Rev. Mod. Phys. 84, 399 – Published 21 March, 2012

DOI: https://doi.org/10.1103/RevModPhys.84.399

Abstract

A comprehensive overview of kaon decays is presented. The standard model predictions are discussed in detail, covering both the underlying short-distance electroweak dynamics and the important interplay of QCD at long distances. Chiral perturbation theory provides a universal framework for treating leptonic, semileptonic, and nonleptonic decays including rare and radiative modes. All allowed decay modes with branching ratios of at least 10−11 are analyzed. Some decays with even smaller rates are also included. Decays that are strictly forbidden in the standard model are not considered in this review. The present experimental status and the prospects for future improvements are reviewed.

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Rev. Mod. Phys. 84, 399– Published 21 March, 2012
  • Received 5 April 2011

© 2012 American Physical Society

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