Phenomenology of V_ub from Ratios of Inclusive B Decay Rates

Details Phenomenology of V_ub from Ratios of Inclusive B Decay Rates Phenomenology of V_ub from Ratios of Inclusive B Decay Rates

1999-07-14

arxiv.org/abs/hep-ph/9907363v1

Phys.Rev.D61:034020,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 8 embedded EPS figures, uses REVTeX

Scientific paper

10.1103/PhysRevD.61.034020

We explore the theoretical feasibility of extracting V_ub from two ratios built from B meson inclusive partial decays, R_1 = Gamma(b-> u cbar s)/3Gamma(b -> c l nu), and R_2 = [Gamma(b -> c X) - Gamma(b -> cbar X)]/Gamma(b -> c ubar d). We discuss contributions to these quantities from perturbative and nonperturbative physics, and show that they can be computed with overall uncertainties at the level of 10%.

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