Pseudoscalar mesons and instantons

E. V. Shuryak

doi:10.1016/0550-3213(83)90660-0

Pseudoscalar mesons and instantons

E. V. Shuryak

Physics and Astronomy

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154 Scopus citations

Abstract

We discuss the QCD sum rules for the correlators of pseudoscalar currents with quantum numbers of π, K, η, η′ mesons. In the framework of the instanton model of the QCD vacuum suggested earlier by the author, we calculate SU(3) breaking effects such as K, η masses and ηη′ mixing, as well as the U(1) breaking effect, the η′ mass. We conclude that all these phenomena are very well reproduced by this model.

Original language	English
Pages (from-to)	237-252
Number of pages	16
Journal	Nuclear Physics, Section B
Volume	214
Issue number	2
DOIs	https://doi.org/10.1016/0550-3213(83)90660-0
State	Published - Apr 11 1983

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title = "Pseudoscalar mesons and instantons",

abstract = "We discuss the QCD sum rules for the correlators of pseudoscalar currents with quantum numbers of π, K, η, η′ mesons. In the framework of the instanton model of the QCD vacuum suggested earlier by the author, we calculate SU(3) breaking effects such as K, η masses and ηη′ mixing, as well as the U(1) breaking effect, the η′ mass. We conclude that all these phenomena are very well reproduced by this model.",

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N2 - We discuss the QCD sum rules for the correlators of pseudoscalar currents with quantum numbers of π, K, η, η′ mesons. In the framework of the instanton model of the QCD vacuum suggested earlier by the author, we calculate SU(3) breaking effects such as K, η masses and ηη′ mixing, as well as the U(1) breaking effect, the η′ mass. We conclude that all these phenomena are very well reproduced by this model.

AB - We discuss the QCD sum rules for the correlators of pseudoscalar currents with quantum numbers of π, K, η, η′ mesons. In the framework of the instanton model of the QCD vacuum suggested earlier by the author, we calculate SU(3) breaking effects such as K, η masses and ηη′ mixing, as well as the U(1) breaking effect, the η′ mass. We conclude that all these phenomena are very well reproduced by this model.

UR - https://www.scopus.com/pages/publications/0000682171

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DO - 10.1016/0550-3213(83)90660-0

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SN - 0550-3213

VL - 214

SP - 237

EP - 252

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

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Pseudoscalar mesons and instantons

Abstract

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