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The European Physical Journal C

, Volume 50, Issue 3, pp 557–571 | Cite as

Aspects of radiative K+ e3 decays

  • B. KubisEmail author
  • E.H. Müller
  • J. Gasser
  • M. Schmid
Regular Article - Theoretical Physics

Abstract

We re-investigate the radiative charged kaon decay K±→π0e±νeγ [Ke3γ ±] in chiral perturbation theory, merging the chiral expansion with Low’s theorem. We thoroughly analyze the precision of the predicted branching ratio relative to the non-radiative decay channel. Structure dependent terms and their impact on differential decay distributions are investigated in detail, and the possibility to see effects of the chiral anomaly in this decay channel is emphasized.

Keywords

Chiral Anomaly Chiral Expansion Bremsstrahlung Spectrum Versus Inner Bremsstrahlung Inner Bremsstrahlung 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  1. 1.Helmholtz-Institut für Strahlen- und KernphysikUniversität BonnBonnGermany
  2. 2.School of PhysicsUniversity of EdinburghEdinburghUK
  3. 3.Institut für theoretische PhysikUniversität BernBernSwitzerland

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