Mixing of η-η/ mesons in J/ψ decays into a vector and a pseudoscalar meson

A. Bramon, R. Escribano, M. D. Scadron

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76 Citations (Scopus)

Abstract

The octet-singlet mixing angle θp in the pseudoscalar meson nonet is deduced from the rich set of accurate data on J/ψ decays into a vector and a pseudoscalar meson. Corrections due to non-ideal ω-φ mixing have been included for the first time and turn out to be crucial to find θp = -16.9° ± 1.7°, which is appreciably less negative than previous results coming from similar analyses. © 1997 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)339-343
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume403
DOIs
Publication statusPublished - 26 Jun 1997

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