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Mixing of eta-eta' mesons in J/psi decays into a vector and a pseudoscalar meson
Bramon Planas, Albert (Universitat Autònoma de Barcelona. Departament de Física)
Escribano, Rafel (Institut de Física d'Altes Energies)
Scadron, Michael D. (University of Arizona. Physics Department)

Date: 1997
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 degrees, which is appreciably less negative than previous results coming from similar analyses.
Note: Altres ajuts: CICYT-AEN95-815 i CIRIT-96SGR-21
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Published in: Physics letters B, Vol. 703, issue 3-4 (June 1997) , p. 339-343, ISSN 1873-2445

DOI: 10.1016/S0370-2693(97)00508-X


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The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Experimental sciences > Institut de Física d’Altes Energies (IFAE)
Articles > Research articles
Articles > Published articles

 Record created 2023-05-22, last modified 2025-10-12



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