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A fresh look at the B semileptonic branching ratio and beauty lifetimes
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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| Lenguaje: | eng |
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1996
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| Acceso en línea: | http://cds.cern.ch/record/302779 |