Analysis of hadronic invariant mass spectrum in inclusive charmless semileptonic B decays

Details Analysis of hadronic invariant mass spectrum in inclusive charmless semileptonic B decays Analysis of hadronic invariant mass spectrum in inclusive charmless semileptonic B decays

1998-01-07

arxiv.org/abs/hep-ph/9801230v1

Phys.Rev. D57 (1998) 6851-6856

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 5 Postscript figures

Scientific paper

10.1103/PhysRevD.57.6851

We make an analysis of the hadronic invariant mass spectrum in inclusive charmless semileptonic B meson decays in a QCD-based approach. The decay width is studied as a function of the invariant mass cut. We examine their sensitivities to the parameters of the theory. The theoretical uncertainties in the determination of $|V_{ub}|$ from the hadronic invariant mass spectrum are investigated. A strategy for improving the theoretical accuracy in the value of $|V_{ub}|$ is described.

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