The η-η′ mixing angle revisited

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

doi:10.1007/s100529801009

The η-η′ mixing angle revisited

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

Research output: Contribution to journal › Article › Research › peer-review

131 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 language	English
Pages (from-to)	271-278
Journal	European Physical Journal C
Volume	7
Issue number	2
DOIs	https://doi.org/10.1007/s100529801009
Publication status	Published - 1 Jan 1999

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@article{791bf7fa9498435d95682bfa7ebeef4c,

title = "The η-η′ mixing angle revisited",

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.",

author = "A. Bramon and R. Escribano and Scadron, {M. D.}",

year = "1999",

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doi = "10.1007/s100529801009",

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T1 - The η-η′ mixing angle revisited

AU - Bramon, A.

AU - Escribano, R.

AU - Scadron, M. D.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - 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.

AB - 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.

U2 - 10.1007/s100529801009

DO - 10.1007/s100529801009

M3 - Article

VL - 7

SP - 271

EP - 278

IS - 2

ER -

The η-η′ mixing angle revisited

Abstract

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