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Theoretical uncertainties in the extraction of |V$_{cb}$| from $\overline{B}$ --> D$*$l$\overline{\nu}$ decays near zero recoil
I discuss the theoretical uncertainties in the extraction of |\, V_{cb}| from a measurement of the \bar B\to D^*\ell\,\bar\nu decay rate close to zero recoil. In particular, I combine previous estimates of the 1/m_Q^2 corrections to the normalization of the hadronic form factor at zero recoil with s...
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Lenguaje: | eng |
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1994
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Acceso en línea: | http://cds.cern.ch/record/268585 |