Nonresonant Background in Isobaric Models of Photoproduction of η-Mesons on Nucleons

Abstract

Within the framework of isobaric models of pseudoscalar meson photoproduction, the nonresonant background of photoproduction of η-mesons on nucleons is investigated as a function of energy. A bound on the magnitude of the pseudoscalar coupling constant of the η-meson with a nucleon is obtained: g_ηNN ²/4π ≤ 0.01, and a bound on vector meson exchange models is also obtained.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Russian Physics Journal
DOIs	https://doi.org/10.1007/s11182-016-0780-1
Publication status	Accepted/In press - 11 Jul 2016

Keywords

Born contribution
contribution of vector mesons
resonant photoproduction of mesons

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1007/s11182-016-0780-1

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Tryasuchev, V. A., Alekseev, B. A., Yakovleva, V. S., & Kondratyeva, A. G. (Accepted/In press). Nonresonant Background in Isobaric Models of Photoproduction of η-Mesons on Nucleons. Russian Physics Journal, 1-6. https://doi.org/10.1007/s11182-016-0780-1

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abstract = "Within the framework of isobaric models of pseudoscalar meson photoproduction, the nonresonant background of photoproduction of η-mesons on nucleons is investigated as a function of energy. A bound on the magnitude of the pseudoscalar coupling constant of the η-meson with a nucleon is obtained: gηNN 2/4π ≤ 0.01, and a bound on vector meson exchange models is also obtained.",

keywords = "Born contribution, contribution of vector mesons, resonant photoproduction of mesons",

author = "Tryasuchev, {V. A.} and Alekseev, {Boris Alexandrovich} and Yakovleva, {Valentina Stanislavovna} and Kondratyeva, {A. G.}",

year = "2016",

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AU - Tryasuchev, V. A.

AU - Alekseev, Boris Alexandrovich

AU - Yakovleva, Valentina Stanislavovna

AU - Kondratyeva, A. G.

PY - 2016/7/11

Y1 - 2016/7/11

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AB - Within the framework of isobaric models of pseudoscalar meson photoproduction, the nonresonant background of photoproduction of η-mesons on nucleons is investigated as a function of energy. A bound on the magnitude of the pseudoscalar coupling constant of the η-meson with a nucleon is obtained: gηNN 2/4π ≤ 0.01, and a bound on vector meson exchange models is also obtained.

KW - Born contribution

KW - contribution of vector mesons

KW - resonant photoproduction of mesons

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