Duality violating 1 / m(Q) effects in heavy quark decay

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Duality violating 1 / m(Q) effects in heavy quark decay

I identify a source of Λ QCD / m Q corrections to the assumption of quark-hadron duality in the application of heavy quark methods to inclusive heavy quark decays. 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 . Note: An Abbreviated version of the original JLAB-THY-98-03 entitled 'Duality in Inclusive Semileptonic Heavy Quark Decay' • 16 pages, 5 figures, an abbreviated version of hep-ph/9809279, the original JLAB-THY-98-03 "Duality in Inclusive Semileptonic Heavy Quark Decay"

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Unit Title: Duality violating 1 / m(Q) effects in heavy quark decay

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Creator: Isgur, Nathan

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Language: en

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Other Descriptive Data: JLAB-THY-98-61, JLAB-THY-98-03, hep-ph/9811377Phys.Lett.B 448 (1999) 111-118https://doi.org/10.1016/S0370-2693(98)01592-5

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