Semileptonic Kaon Decays in Chiral Perturbation Theory
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We present the matrix elements for the semileptonic kaon decays $K_{l2γ}$, $K_{l2l^+l^-}$, $K_{l2l'^+l'^-}$, $K_{l3}$, $K_{l3γ}$ 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.
LaTeX, 85 pages, figures not included, CERN-TH.6504/92, BUTP-92/20
LaTeX, 85 pages, figures not included, CERN-TH.6504/92, BUTP-92/20