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Measurements of moments of the hadronic mass distribution in semileptonic B decays

B. Aubert et al. (BABAR Collaboration)
Phys. Rev. D 69, 111103(R) – Published 29 June 2004
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Abstract

We report a measurement of the first four moments of the hadronic mass distribution in B¯Xclν¯ decays. The measurements are based on 89 million Υ(4S)BB¯ events where the hadronic decay of one of the B mesons is fully reconstructed and a charged lepton from the decay of the other B meson is identified. The moments are presented for minimum lepton momenta ranging from 0.9 to 1.6 GeV in the B rest frame. It is expected that such measurements will lead to improved determinations of |Vcb| and |Vub|.

  • Received 23 January 2004

DOI:https://doi.org/10.1103/PhysRevD.69.111103

©2004 American Physical Society

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Vol. 69, Iss. 11 — 1 June 2004

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