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The decay J/ ψ→ γϕϕ : Spin dependence of amplitude and angular distributions of photons with linear polarizations. / Kozhevnikov, A. A.

в: European Physical Journal A, Том 55, № 9, 155, 01.09.2019.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Kozhevnikov, AA 2019, 'The decay J/ ψ→ γϕϕ: Spin dependence of amplitude and angular distributions of photons with linear polarizations', European Physical Journal A, Том. 55, № 9, 155. https://doi.org/10.1140/epja/i2019-12845-8

APA

Kozhevnikov, A. A. (2019). The decay J/ ψ→ γϕϕ: Spin dependence of amplitude and angular distributions of photons with linear polarizations. European Physical Journal A, 55(9), [155]. https://doi.org/10.1140/epja/i2019-12845-8

Vancouver

Kozhevnikov AA. The decay J/ ψ→ γϕϕ: Spin dependence of amplitude and angular distributions of photons with linear polarizations. European Physical Journal A. 2019 сент. 1;55(9):155. doi: 10.1140/epja/i2019-12845-8

Author

Kozhevnikov, A. A. / The decay J/ ψ→ γϕϕ : Spin dependence of amplitude and angular distributions of photons with linear polarizations. в: European Physical Journal A. 2019 ; Том 55, № 9.

BibTeX

@article{c6c52449468a4d7c879461e2f11a00ca,
title = "The decay J/ ψ→ γϕϕ: Spin dependence of amplitude and angular distributions of photons with linear polarizations",
abstract = "Based on the effective invariant amplitudes of the transitions J/ ψ→ γX(JP) and X(JP) → ϕϕ, the spin dependence of the J/ ψ→ γX(JP) → γϕϕ decay amplitude is obtained in the case of the intermediate resonances X with JP= 0 ±, 1 ±, 2 ±. Angular distributions of photons with the definite linear polarizations relative to the plane spanned by the momentum of initial electron and the total momentum of the ϕϕ pair in the reaction e+e-→ J/ ψ→ γX(JP) → γϕϕ are calculated. It is shown that the sign of the asymmetry of the distributions of the photons polarized in the above plane and orthogonal to it correlates with the signature PX(-1)JX of the X resonance with given spin-parity JXPX so it may help to establish this quantum number in a way which does not depend on the specific model of the X(JP) → ϕϕ amplitude.",
keywords = "PARITY, STATISTICS",
author = "Kozhevnikov, {A. A.}",
year = "2019",
month = sep,
day = "1",
doi = "10.1140/epja/i2019-12845-8",
language = "English",
volume = "55",
journal = "European Physical Journal A",
issn = "1434-6001",
publisher = "Springer Nature",
number = "9",

}

RIS

TY - JOUR

T1 - The decay J/ ψ→ γϕϕ

T2 - Spin dependence of amplitude and angular distributions of photons with linear polarizations

AU - Kozhevnikov, A. A.

PY - 2019/9/1

Y1 - 2019/9/1

N2 - Based on the effective invariant amplitudes of the transitions J/ ψ→ γX(JP) and X(JP) → ϕϕ, the spin dependence of the J/ ψ→ γX(JP) → γϕϕ decay amplitude is obtained in the case of the intermediate resonances X with JP= 0 ±, 1 ±, 2 ±. Angular distributions of photons with the definite linear polarizations relative to the plane spanned by the momentum of initial electron and the total momentum of the ϕϕ pair in the reaction e+e-→ J/ ψ→ γX(JP) → γϕϕ are calculated. It is shown that the sign of the asymmetry of the distributions of the photons polarized in the above plane and orthogonal to it correlates with the signature PX(-1)JX of the X resonance with given spin-parity JXPX so it may help to establish this quantum number in a way which does not depend on the specific model of the X(JP) → ϕϕ amplitude.

AB - Based on the effective invariant amplitudes of the transitions J/ ψ→ γX(JP) and X(JP) → ϕϕ, the spin dependence of the J/ ψ→ γX(JP) → γϕϕ decay amplitude is obtained in the case of the intermediate resonances X with JP= 0 ±, 1 ±, 2 ±. Angular distributions of photons with the definite linear polarizations relative to the plane spanned by the momentum of initial electron and the total momentum of the ϕϕ pair in the reaction e+e-→ J/ ψ→ γX(JP) → γϕϕ are calculated. It is shown that the sign of the asymmetry of the distributions of the photons polarized in the above plane and orthogonal to it correlates with the signature PX(-1)JX of the X resonance with given spin-parity JXPX so it may help to establish this quantum number in a way which does not depend on the specific model of the X(JP) → ϕϕ amplitude.

KW - PARITY

KW - STATISTICS

UR - http://www.scopus.com/inward/record.url?scp=85073257411&partnerID=8YFLogxK

U2 - 10.1140/epja/i2019-12845-8

DO - 10.1140/epja/i2019-12845-8

M3 - Article

AN - SCOPUS:85073257411

VL - 55

JO - European Physical Journal A

JF - European Physical Journal A

SN - 1434-6001

IS - 9

M1 - 155

ER -

ID: 21859690