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arXiv · hep-ph/0012086

Lifetimes of b-flavoured hadrons

Fulvia De Fazio
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Abstract

I discuss the heavy quark expansion for the inclusive widths of heavy-light hadrons, which predicts quite well the experimental ratios of B_q meson lifetimes. As for $Λ_b$, current determinations of ${\cal O}(m_b^{-3})$ contribution to $τ(Λ_b)$ do not allow to explain the small measured value of $τ(Λ_b)/τ(B_d)$. As a final topic, I discuss the implications of the measurement of the B_c lifetime.

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Fulvia De Fazio. 2000-12-07. Lifetimes of b-flavoured hadrons. https://doi.org/10.1088/0954-3899%2F27%2F6%2F318

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