Study of the strong ${\Sigma }_b\to {\Lambda }_b\pi$ and ${\Sigma }_b^{\ast }\to {\Lambda }_b\pi$ in a non-relativistic quark model

Abstract

We present results for the strong widths corresponding to the ${\Sigma }_b\to {\Lambda }_b\pi$ and ${\Sigma }_b^{\ast }\to {\Lambda }_b\pi$ decays. We apply our model in Ref. Phys. Rev. D 72, 094022 (2005) where we previously studied the corresponding transitions in the charmed sector. Our non-relativistic constituent quark model uses wave functions that take advantage of the constraints imposed by heavy quark symmetry. Partial conservation of axial current hypothesis allows us to determine the strong vertices from an analysis of the axial current matrix elements.

6 latex pages, 1 table, new references added

References in corpus (9)

• Strong decays of charmed baryons
• Direct observation of the strange b baryon Xi_b^{-}
• Strong coupling constants of light pseudoscalar mesons with heavy baryons in QCD
• Strong decays of heavy baryons in Bethe-Salpeter formalism
• ${\Sigma }_Q{\Lambda }_Q\pi$ Coupling Constant in Light Cone QCD Sum Rules
• Isospin mass splittings of heavy baryons in HQS
• Mass splittings within heavy baryon isospin multiplets in chiral perturbation theory
• Combined Chiral Dynamics and MIT Bag Model Study of Strong Σ^{(*)}_Q \to Λ_QπDecays
• Test of the heavy quark-light diquark approximation for baryons with a heavy quark

Cited by in corpus (12)

• Strong and radiative decays of the low-lying $S$- and $P$-wave singly heavy baryons
• Calculation of the heavy-hadron axial couplings g_1, g_2, and g_3 using lattice QCD
• Strong and radiative decays of the low-lying $D$-wave singly heavy baryons
• Charm-strange baryon strong decays in a chiral quark model
• Systematic analysis of single heavy baryons ${\Lambda }_Q$, ${\Sigma }_Q$ and ${\Omega }_Q$
• Interpretation of the newly observed ${\Lambda }_b(6146{)}^0$ and ${\Lambda }_b(6152{)}^0$ states in a chiral quark model
• The strong ${\Lambda }_{b}NB$ and ${\Lambda }_{c}ND$ vertices
• ${\Lambda }_b(6146{)}^0$ state newly observed by LHCb
• New ${\Lambda }_b(6072{)}^0$ state as a $2S$ bottom baryon
• Strong couplings of negative and positive parity nucleons to the heavy baryons and mesons
• The $1D$, $2D$ ${\Xi }_b$ and ${\Lambda }_b$ baryons
• Decay widths and mass spectra of single bottom baryons