Semileptonic B decays to excited charm mesons

Details Semileptonic B decays to excited charm mesons Semileptonic B decays to excited charm mesons

1997-09-18

arxiv.org/abs/hep-ph/9709396v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Talk given at Seventh International Symposium On Heavy Flavor Physics, July 7-11, 1997, Santa Barbara

Scientific paper

Exclusive semileptonic B decays to the lightest excited charmed mesons are investigated at order $\Lambda_{QCD}/m_Q$ in the heavy quark effective theory. At zero recoil, $\Lambda_{QCD}/m_Q$ corrections to the matrix elements of the weak currents can be written in terms of the leading Isgur-Wise functions for the corresponding transition and meson mass splittings. The differential decay rates are predicted, including $\Lambda_{QCD}/m_Q$ corrections with some model dependence away from zero recoil. Applications to B decay sum rules and factorization are presented.

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