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Inclusive Measurement of the Charmless Semileptonic Branching Ratio of B-hadrons

Abstract : From the study of the kinematics properties of the final state produced in the semileptonic $\mathrm{B}$ decays $\mathrm{B\to \ell\nu_{\ell} X}$, the inclusive charmless semileptonic branching ratio of $\mathrm{B}$-hadrons has been measured. Using the data collected between 1992 and 1995, one gets: $\mathrm{BR(B\to \ell\nu_{\ell} X_u)} = (1.6\pm 0.4_{stat}\pm 0.4_{syst})\times 10^{-3}$, where $\mathrm{X_u}$ represents any charmless hadronic states.
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http://hal.in2p3.fr/in2p3-00003986
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Submitted on : Thursday, February 17, 2000 - 11:16:33 AM
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  • HAL Id : in2p3-00003986, version 1

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Pierre Henrard, P. Rosnet. Inclusive Measurement of the Charmless Semileptonic Branching Ratio of B-hadrons. International Conference on High-Energy Physics : ICHEP '96. 28, Jul 1996, Warsaw, Poland. pp.1-11. ⟨in2p3-00003986⟩

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