Weak decays of bottom-charm baryons: ${\mathcal{B}}_{bc}\to {\mathcal{B}}_{b}P$

Abstract

After the discovery of the double-charm baryon ${\Xi }_{cc}^{++}$ by LHCb, one of the most important topics is to search for the bottom-charm baryons which contain a $b$ quark, a $c$ quark and a light quark. In this work, we study the two-body non-leptonic weak decays of a bottom-charm baryon into a spin-$1/2$ bottomed baryon and a light pseudoscalar meson with the short-distance contributions calculated under the factorization hypothesis and the long-distance contributions considering the final-state-interaction effects. The branching fractions of all fifty-seven decay channels are estimated. The results indicate that ${\Xi }_{bc}^{+}\to {\Xi }_b^0{\pi }^{+}$, ${\Xi }_{bc}^0\to {\Xi }_b^{-}{\pi }^{+}$ and ${\Omega }_{bc}^0\to {\Omega }_b^{-}{\pi }^{+}$ decay modes have relatively large decay rates and thus could be used to experimentally search for the bottom-charm baryons. The topological diagrams and the SU(3) symmetry of bottom-charm baryon decays are discussed.

arXiv comment25 pages, 3 figures, 8 tables. Version for publication in EPJC

References in corpus (43)

• Phenomenology of Heavy Meson Chiral Lagrangians
• Mixing and Decay Constants of Pseudoscalar Mesons
• Experimental Tests of Factorization in Charmless Non-Leptonic Two-Body B Decays
• Final State Interactions in Hadronic B Decays
• Discovery Potentials of Doubly Charmed Baryons
• Two-body hadronic charmed meson decays
• Weak Decays of Doubly Heavy Baryons: SU(3) Analysis
• Test Flavor SU(3) symmetry in Exclusive ${\Lambda }_c$ decays
• Weak Decays of Doubly Heavy Baryons: Multi-body Decay Channels
• Weak Decays of Heavy Baryons in Light-Front Approach
• Anti-triplet charmed baryon decays with SU(3) Flavor Symmetry
• Strong Phases and Factorization for Color Suppressed Decays
• Singly Cabibbo-suppressed hadronic decays of ${\Lambda }_c^{+}$
• Predictions for nonleptonic Lambda_b and Theta_b decays
• Asymmetries of anti-triplet charmed baryon decays
• Non-leptonic two-body weak decays of ${\Lambda }_c(2286)$
• Hadronic Molecular States Composed of Heavy Flavor Baryons
• Two-body hadronic weak decays of antitriplet charmed baryons
• Decay chain information on the newly discovered double charm baryon state ${\Xi }_{cc}^{++}$
• Variational Analysis of Mass Spectra and Decay Constants for Ground State Pseudoscalar and Vector Mesons in Light-Front Quark Model
• Doubly heavy baryons at LHC
• Three-body charmed baryon Decays with SU(3) flavor symmetry
• Weak decays of doubly heavy baryons: the FCNC processes
• Singly Cabibbo suppressed decays of ${\Lambda }_c^{+}$ with SU(3) flavor symmetry
• Weak decays of doubly heavy baryons: "decay constants"
• Masses of doubly heavy baryons in the Bethe-Salpeter equation approach
• Strong coupling constants of light pseudoscalar mesons with heavy baryons in QCD
• Two-body charmed baryon decays involving vector meson with $SU(3)$ flavor symmetry
• U-Spin Sum Rules for CP Asymmetries of Three-Body Charmed Baryon Decays
• Lifetimes of Doubly Charmed Baryons
• Two-body weak decays of doubly charmed baryons
• Weak Decays of Doubly Heavy Baryons: W-Exchange
• Charmed baryon decays in $SU(3{)}_F$ symmetry
• Charmed Baryon Weak Decays with Vector Mesons
• Charmed Baryon Weak Decays with Decuplet Baryon and SU(3) Flavor Symmetry
• Hadronic weak decays of the charmed baryon ${\Omega }_c$
• Hadronic weak decays of ${\Lambda }_c$ in the quark model
• Lifetimes of Doubly Heavy Baryons ${\mathcal{B}}_{bb}$ and ${\mathcal{B}}_{bc}$
• Weak Decays of Stable Open-bottom Tetraquark by SU(3) Symmetry Analysis
• Heavy baryon--light vector meson couplings in QCD
• Role of decay in the searches for double-charm baryons
• SU(3) Predictions for Weak Decays of Doubly Heavy Baryons -- including SU(3) breaking terms
• $SU(3)$ Flavor Symmetry for Weak Hadronic Decays of ${\mathbf{B}}_{bc}$ Baryons

Cited by in corpus (1)

• From topological amplitude to rescattering dynamics