Isgur, Nathan and Scora, Daryl and Grinstein, Benjamin and Wise, M. B. (1989) Semileptonic B and D decays in the quark model. Physical Review D, 39 (3). pp. 799-818. ISSN 0556-2821. http://resolver.caltech.edu/CaltechAUTHORS:ISGprd89
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We predict the matrix elements and resulting electron spectra for semileptonic meson decays using the quark potential model. Particular attention is paid to the high-energy electron end-point region in B decay since it is crucial to a determination of the b→u weak mixing angle. It is argued that in this region the usual inclusive ("quark decay") calculations are unjustified and must be replaced by explicit sums over decays of the original meson into low-mass exclusive hadronic final states.
|Additional Information:||©1989 The American Physical Society Received 30 June 1988 This research was supported in part by grants from the Natural Sciences and Engineering Research Council of Canada and by DOE Grants under Contracts Nos. DEAC-03-91-ER40050, DEAC-03-81-ER40051, and DE-FG03-84ER40172. M.B.W. also was supported by the Alfred P. Sloan Foundation. N.I. gratefully acknowledges the hospitality of the Department of Theoretical Physics at Oxford and of the Theoretical Physics Division at CERN where this work was completed. B.G. acknowledges the Tolman Foundation for financial support.|
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