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Rare kaon decays in the 1/N c-expansion

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Zeitschrift für Physik C Particles and Fields

Abstract

We study the unknown coupling constants that appear atO(p 4) in the chiral perturbation theory analysis ofK→πγ*→πℓ+ℓ-,K +-→π+-γγ [1] andK→ππγ [2] decays. To that end, we compute the chiral realization of the ΔS=1 Hamiltonian in the framework of the 1/N c-expansion of the low-energy action proposed in [3]. The phenomenological implications are also discussed.

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Authors and Affiliations

  1. Centre de Physique Théorique, C.N.R.S. Luminy, Case 907, F-13288, Marseille Cedex 9, France

    C. Bruno & J. Prades

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  1. C. Bruno
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  2. J. Prades
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Bruno, C., Prades, J. Rare kaon decays in the 1/N c-expansion. Z. Phys. C - Particles and Fields 57, 585–593 (1993). https://doi.org/10.1007/BF01561477

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  • DOI: https://doi.org/10.1007/BF01561477

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