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Title

Short- and long-distance contributions to the rare decay KL → μ+μ−

AuthorsGómez Dumm, D.; Pich, Antonio CSIC ORCID
Issue DateMar-1999
PublisherElsevier
CitationNuclear Physics B Proceedings Supplements 74(1-3): 186-189 (1999)
AbstractThe interplay between short- and long-distance contributions to the KL → μ+μ− decay amplitude is analyzed. The long-distance piece is estimated using chiral perturbation theory techniques and large-Nc considerations, leading to a consistent description of the π0 → e+e−, η → μ+μ−, and KL → μ+μ− branching ratios.
Description4 páginas, 1 figura, 1 tabla.-- Comunicación presentada a la Euroconference QCD 98 celebrada en Julio de 1998 en Montpellier (Francia).-- arXiv:hep-ph/9810523v1
Publisher version (URL)http://dx.doi.org/10.1016/S0920-5632(99)00159-0
URIhttp://hdl.handle.net/10261/33229
DOI10.1016/S0920-5632(99)00159-0
ISSN0920-5632
Appears in Collections:(IFIC) Artículos

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