The η-η′ mixing angle revisited

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

Research output: Contribution to journalArticleResearchpeer-review

136 Citations (Scopus)

Abstract

The value of the η-η′ mixing angle θp is phenomenologically deduced from a rather exhaustive and up-to-date analysis of data including strong decays of tensor and higher-spin mesons, electromagnetic decays of vector and pseudoscalar mesons, J/ψ decays into a vector and a pseudoscalar meson, and other transitions. A value of θp between -17° and -13° is consistent with the present experimental evidence and the average θp = -15.5° ± 1.3° seems to be favoured.
Original languageEnglish
Pages (from-to)271-278
JournalEuropean Physical Journal C
Volume7
Issue number2
DOIs
Publication statusPublished - 1 Jan 1999

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