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

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


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 languageEnglish
Article number2050111
JournalInternational Journal of Modern Physics A
Issue number21
StatePublished - Jul 30 2020

Bibliographical note

Publisher Copyright:
© 2020 World Scientific Publishing Company.


  • B-meson decays
  • Chiral anomaly

ASJC Scopus subject areas

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


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