KL→π0γγ decay in the chiral effective lagrangian

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 1988 Italy English Publisher:Springer Science and Business Media LLCJournal:Il Nuovo Cimento A, volume 99, pages 155-161 (issn: 0369-3546, eissn: 1826-9869,

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Authors: CAPPIELLO, LUIGI; D’Ambrosio, G.;

doi: 10.1007/bf02735243

handle: 11588/682580

KL→π0γγ decay in the chiral effective lagrangian

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Abstract

In the framework of chiral perturbation theory we study the one-loop amplitude for KL→π0γγ. We find that it is finite, consistently with the absence of the corresponding counterterms. Our prediction for the branching ratio (6.8·10−7) is below the present experimental upper bound.

Country

Italy

Related Organizations

University Federico II of Naples
Italy

Keywords

Chiral Lagrangians, Hadronic Decays of Meson, Hadronic Decays of Meson, Chiral Lagrangians

5 Research products, page 1 of 1

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