Baryonic B Meson Decays

We review the two- and three-body baryonic B decays with the dibaryon (BB′¯) as the final states. Accordingly, we summarize the experimental data of the branching fractions, angular asymmetries, and CP asymmetries. Using the W-boson annihilation (exchange) mechanism, the branching fractions of B⟶BB′...

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Bibliographic Details
Published in:	Advances in high energy physics 2022-03, Vol.2022, p.1-9
Main Authors:	Huang, Xiaotao, Hsiao, Yu-Kuo, Wang, Jike, Sun, Liang
Format:	Article
Language:	eng
Subjects:	Asymmetry Baryons Particle decay Quarks
Online Access:	Get full text
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Summary:	We review the two- and three-body baryonic B decays with the dibaryon (BB′¯) as the final states. Accordingly, we summarize the experimental data of the branching fractions, angular asymmetries, and CP asymmetries. Using the W-boson annihilation (exchange) mechanism, the branching fractions of B⟶BB′¯ are shown to be interpretable. In the approach of perturbative QCD counting rules, we study the three-body decay channels. In particular, we review the CP asymmetries of B⟶BB′¯M, which are promising to be measured by the LHCb and Belle II experiments. Finally, we remark the theoretical challenges in interpreting BB−⟶pp¯ρ− and BB−⟶pp¯μ−ν¯μ.
ISSN:	1687-7357 1687-7365