Radiative V P γ transitions and η-η′ mixing

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

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63 Citations (Scopus)

Abstract

A value for the η-η′ mixing angle is extracted from the data on VPγ transitions using simple quark-model ideas. The set of data covers all possible radiative transitions between the pseudoscalar and vector meson nonets. Two main ingredients of the model are the introduction of flavour-dependent overlaps for the various qq̄ wave functions and the use of the quark-flavour basis to describe the η-η′ system. In this basis the mixing angle is found to be φp = (37.7 ± 2.4)°. © 2001 Published by Elsevier Science B.V.
Original languageEnglish
Pages (from-to)271-276
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume503
DOIs
Publication statusPublished - 29 Mar 2001

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