A Fresh Look at the B Semileptonic Branching Ratio and Beauty Lifetimes

Details A Fresh Look at the B Semileptonic Branching Ratio and Beauty Lifetimes A Fresh Look at the B Semileptonic Branching Ratio and Beauty Lifetimes

1996-05-08

arxiv.org/abs/hep-ph/9605256v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures appended, to appear in the Proceedings of Les Rencontres de Physique de la Vallee d'Aoste, Results and Per

Scientific paper

We discuss two problems in the theory of heavy-quark decays: an understanding
of the semileptonic branching ratio of $B$ mesons, and of the lifetime ratio
$\tau(\Lambda_b)/\tau(B^0)$. We also present a model-independent study of
spectator contributions to the lifetimes of beauty hadrons.

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