Semileptonic Decays Of The B Subscript C Meson In The Quark Meson Effective Theory Microform
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Semileptonic Decays of the B[subscript]c Meson in the Quark Meson Effective Theory [microform]
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Author: Matthew A. (Matthew Alton) Nobes
language: en
Publisher: National Library of Canada = Bibliothèque nationale du Canada
Release Date: 1999
Semileptonic Decays of B Mesons Into Excited Charm Mesons
We use the heavy quark effective theory to investigate the form factors that describe the semileptonic decays of a B meson into excited daughter mesons. For an excited daughter meson with charm, a single form factor is needed at leading order, while five form factors and two dimensionful constants are needed to order 1/m(sub)c in the heavy quark expansion. For non-charmed final states, a total of four form factors are needed at leading order. For the process B ->D^(*)Xlv, four form factors are also needed at leading order.