Semileptonic Kaon Decays in Chiral Perturbation Theory

J. Bijnens; G. Ecker; J. Gasser

Semileptonic Kaon Decays in Chiral Perturbation Theory

High Energy Physics - Phenomenology 2007-05-23 v1

Authors: J. Bijnens , G. Ecker , J. Gasser

Abstract

We present the matrix elements for the semileptonic kaon decays $K_{l2\gamma}$ , $K_{l2l^+l^-}$ , $K_{l2l'^+l'^-}$ , $K_{l3}$ , $K_{l3\gamma}$ and $K_{l4}$ at next-to-leading order in chiral perturbation theory and compare the predictions with experimental data. Monte Carlo event generators are used to calculate the corresponding rates at DAFNE. We discuss the possibilities to improve our knowledge of the low-energy structure of the Standard Model at this and similar machines.

Keywords

semileptonic kaon decays chiral perturbation theory next-to-leading order matrix elements Monte Carlo event generators DAFNE

Cite

@article{arxiv.hep-ph/9208204,
  title  = {Semileptonic Kaon Decays in Chiral Perturbation Theory},
  author = {J. Bijnens and G. Ecker and J. Gasser},
  journal= {arXiv preprint arXiv:hep-ph/9208204},
  year   = {2007}
}

Comments

LaTeX, 85 pages, figures not included, CERN-TH.6504/92, BUTP-92/20

Semileptonic Kaon Decays in Chiral Perturbation Theory

Abstract

Keywords

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