Semileptonic B Meson Decays and Interfering Amplitudes

Details Semileptonic B Meson Decays and Interfering Amplitudes Semileptonic B Meson Decays and Interfering Amplitudes

1994-09-16

arxiv.org/abs/hep-ph/9409341v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3pages Latex, ICHEP.STY included

Scientific paper

Consequences of the interference between external and internal spectator amplitudes for the lifetimes and semileptonic decay fractions of $B^0$ and $B^+$ mesons are discussed. Extrapolating from the constructive interference observed in 11 exclusive hadronic $B$ decays we find an inclusive semileptonic decay fraction of $(11.2 \pm 0.5 \pm 1.7)$\%, significantly closer to the experimental results than previous predictions.

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