Form factors for Ξ_b^0 → Ξ_c^+ semileptonic decay are obtained in HQET with 1/m_Q corrections via a quark model, producing R(Ξ_c) ≈ 0.3.
Weak Decays of Heavy Baryons in the Covariant Quasipotential Approach
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abstract
Bethe-Salpeter approach has been applied to the study of b --> c transitions both for heavy mesons and heavy baryons. Meson and baryon IW functions are calculated on the equal footing. A reasonable agreement with the experimental data for heavy to heavy semileptonic transitions has been obtained.
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Semileptonic decay form factors of $\Xi_b^0 \rightarrow \Xi_c^+\ell\bar{\nu}_{\ell}$ in HQET
Form factors for Ξ_b^0 → Ξ_c^+ semileptonic decay are obtained in HQET with 1/m_Q corrections via a quark model, producing R(Ξ_c) ≈ 0.3.