Duality in Inclusive Semileptonic Heavy Quark Decay

Details Duality in Inclusive Semileptonic Heavy Quark Decay Duality in Inclusive Semileptonic Heavy Quark Decay

1998-09-04

arxiv.org/abs/hep-ph/9809279v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 5 Postscript figures

Scientific paper

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}.

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