Determinations of |V_ub| and |V_cb| from measurements of B -> X_u,c\ellνdifferential decay rates

Details Determinations of |V_ub| and |V_cb| from measurements of B -> X_u,c\ellνdifferential decay rates Determinations of |V_ub| and |V_cb| from measurements of B -> X_u,c\ellνdifferential decay rates

1998-04-07

arxiv.org/abs/hep-ph/9804249v2

Mod. Phys. Lett. A 14 (1999) 1163-1173

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 2 figures, version as published in Mod. Phys. Lett. A, more discussion, references added, title change

Scientific paper

10.1142/S0217732399001255

Methods are described in the framework of light-cone expansion which allow one to determine the Cabibbo-Kobayashi-Maskawa matrix elements |V_ub| and |V_cb| from measurements of the differential decay rates as a function of the scaling variables in the inclusive semileptonic decays of B mesons. By these model-independent methods the dominant hadronic uncertainties can be avoided and the B -> X_u\ell\nu decay can be very efficiently differentiated from the B -> X_c\ell\nu decay, which may lead to precise determinations of |V_ub| and |V_cb|.

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