Rare nonleptonic B s -meson decays as a probe for new physics beyond the standard model

• Published in: Journal of physics. Conference series 2021-01, Vol.1766 (1), p.12020
• Main Authors: Faisel, G., Tandean, J.
• Format: Article
• Language: English
• ISSN: 1742-6588; 1742-6596
• DOI: 10.1088/1742-6596/1766/1/012020

The recent measurements on a number of b → sμ + μ − processes have manifested anomalous results which could be early evidence for the presence of new physics beyond the standard model in b → s transitions. Supposing this to be the case, we entertain the possibility that a heavy Z ′ boson is responsible for these anomalies and that it also affects the rare nonleptonic decays of the B ¯ s meson which receive substantial contributions from the so-called penguin diagrams. The majority of these B ¯ s decay modes are not yet discovered, and within the standard model their rates have been estimated to be relatively suppressed. Taking into account various constraints, we find that the Z ′ effects can enlarge the rates of a few of the modes, especially B ¯ s → η π 0 , ϕ π 0 , η ω , ϕ ω , considerably above their standard-model expectations. Consequently this Z ′ scenario may be experimentally testable in the near future.