In this work, we calculate the branching ratios of the color-allowed two-body nonleptonic decays of the bottom baryons, which include the ${\mathrm{\Xi }}_b\to {\mathrm{\Xi }}_c^{(*)}$ and ${\mathrm{\Omega }}_b\to {\mathrm{\Omega }}_c^{(*)}$ weak transitions by emitting a pseudoscalar meson (${\pi }^{-}$, $K^{-}$, $D^{-}$, and $D_s^{-}$) or a vector meson (${\rho }^{-}$, $K^{*-}$, $D^{*-}$, and $D_s^{*-}$). For achieving this aim, we adopt the three-body light-front quark model with the support of hadron spectroscopy, where the spatial wave functions of these heavy baryons involved in these weak decays are obtained by a semirelativistic potential model associated with the Gaussian expansion method. Our results show that these decays with the ${\pi }^{-}$, ${\rho }^{-}$, and $D_s^{(*)-}$-emitted mode have considerable widths, which could be accessible at the ongoing LHCb and Belle II experiments.

• Received 7 December 2021
• Accepted 23 December 2021

DOI:https://doi.org/10.1103/PhysRevD.105.013003

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.

Published by the American Physical Society