Hadronic Mass Moments in B -> X_c l nu Decays
High Energy Physics - Experiment
2012-08-27 v1
Abstract
We report measurements of the first and second moments of the hadronic invariant mass squared distribution, <M^2_X> and <(M^2_X-<M^2_X>)^2>, in B -> X_c l nu decays for minimum lepton momenta ranging from 0.7 to 1.5 GeV/c in the B meson rest frame. The measurement uses BBbar events in which the hadronic decay of one B meson is fully reconstructed and the semileptonic decay of the other B is inferred from the presence of an identified lepton. These results are obtained from a 140 fb^-1 data sample collected near the Y(4S) resonance with the Belle detector at the KEKB asymmetric energy e^+e^- collider.
Cite
@article{arxiv.hep-ex/0509013,
title = {Hadronic Mass Moments in B -> X_c l nu Decays},
author = {Belle Collaboration},
journal= {arXiv preprint arXiv:hep-ex/0509013},
year = {2012}
}
Comments
9 pages, 2 figures, 4 tables, contributed to Lepton Photon and EPS 2005