The physics of the η-η ′ system versus B 0 → J/ψ η (η ′) and Bs→ J/ψ η (η ′) decays

M. A. Andreichikov; M. I. Eides; V. A. Novikov; M. I. Vysotsky

doi:10.1142/S0217751X20501110

The physics of the η-η ′ system versus B 0 → J/ψ η (η ′) and B_s→ J/ψ η (η ′) decays

M. A. Andreichikov, M. I. Eides, V. A. Novikov, M. I. Vysotsky

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

2 Scopus citations

Abstract

An approach to the properties of the η-η′ system developed to solve the famous U(1) problem is used to calculate the partial widths ratios to η and η′ in the B0 → J/ψη(η′,π) and Bs → J/ψη(η′) decays. We obtain the results in agreement with the experimental data.

Original language	English
Article number	2050111
Journal	International Journal of Modern Physics A
Volume	35
Issue number	21
DOIs	https://doi.org/10.1142/S0217751X20501110
State	Published - Jul 30 2020

Bibliographical note

Publisher Copyright:
© 2020 World Scientific Publishing Company.

Funding

We are grateful to A. E. Bondar for bringing the KLOE measurement19,20 to our attention. Short version of this paper was published in Ref. 26. M. A. Andreichikov, V. A. Novikov and M. I. Vysotsky are supported by RSF grant 19-12-00123, M. I. Eides is supported by the NSF grant PHY-1724638.

Funders	Funder number
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China	PHY-1724638
Russian Science Foundation	19-12-00123

Keywords

B-meson decays
Chiral anomaly

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Astronomy and Astrophysics

Access to Document

10.1142/S0217751X20501110

Cite this

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abstract = "An approach to the properties of the η-η′ system developed to solve the famous U(1) problem is used to calculate the partial widths ratios to η and η′ in the B0 → J/ψη(η′,π) and Bs → J/ψη(η′) decays. We obtain the results in agreement with the experimental data.",

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