Moments of the Hadronic Invariant Mass Spectrum in B --> X_c l nu Decays at Belle

Details Moments of the Hadronic Invariant Mass Spectrum in B --> X_c l nu Decays at Belle Moments of the Hadronic Invariant Mass Spectrum in B --> X_c l nu Decays at Belle

2006-11-24

arxiv.org/abs/hep-ex/0611044v2

Phys.Rev.D75:032005,2007

Physics

High Energy Physics

High Energy Physics - Experiment

published version of the paper (one figure added, minor changes in the text); 16 pages, 3 figures, 10 tables

Scientific paper

10.1103/PhysRevD.75.032005

We present a measurement of the hadronic invariant mass squared (M^2_X) spectrum in charmed semileptonic B meson decays B --> X_c l nu based on 140 fb^-1 of Belle data collected near the Y(4S) resonance. We determine the first, the second central and the second non-central moments of this spectrum for lepton energy thresholds ranging between 0.7 and 1.9 GeV. Full correlations between these measurements are evaluated.

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