Duality in Inclusive Semileptonic Heavy Quark Decay

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I identify a source of Lambda_{QCD}/m_Q corrections to the assumption of quark-hadron duality in the application of heavy quark methods to inclusive heavy quark semileptonic decays Q->q l nu_l. These corrections could substantially affect the accuracy of such methods in practical applications and in particular compromise their utility for the extraction of the Cabibbo-Kobayashi-Maskawa matrix element V_{cb}.
18 pages, 5 Postscript figures

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High Energy Physics - Phenomenology, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/48225

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9809279
 http://arxiv.org/abs/hep-ph/9809279

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arXiv