Measurement of the B-meson inclusive semileptonic branching fraction and electron-energy moments

  • A. H. Mahmood
  • , S. E. Csorna
  • , G. Bonvicini
  • , D. Cinabro
  • , M. Dubrovin
  • , A. Bornheim
  • , E. Lipeles
  • , S. P. Pappas
  • , A. Shapiro
  • , A. J. Weinstein
  • , R. A. Briere
  • , G. P. Chen
  • , T. Ferguson
  • , G. Tatishvili
  • , H. Vogel
  • , M. E. Watkins
  • , N. E. Adam
  • , J. P. Alexander
  • , K. Berkelman
  • , V. Boisvert
  • D. G. Cassel, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, V. E. Kuznetsov, A. Magerkurth, H. Mahlke-Krüger, T. O. Meyer, J. R. Patterson, T. K. Pedlar, D. Peterson, J. Pivarski, D. Riley, A. J. Sadoff, H. Schwarthoff, M. R. Shepherd, W. M. Sun, J. G. Thayer, D. Urner, T. Wilksen, M. Weinberger, S. B. Athar, P. Avery, L. Breva-Newell, V. Potlia, H. Stoeck, J. Yelton, B. I. Eisenstein, G. D. Gollin, I. Karliner, N. Lowrey, P. Naik, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, D. Besson, K. Y. Gao, D. T. Gong, Y. Kubota, S. Z. Li, R. Poling, A. W. Scott, A. Smith, C. J. Stepaniak, J. Urheim, Z. Metreveli, K. K. Seth, A. Tomaradze, P. Zweber, J. Ernst, K. Arms, E. Eckhart, K. K. Gan, C. Gwon, H. Severini, P. Skubic, D. M. Asner, S. A. Dytman, S. Mehrabyan, J. A. Mueller, S. Nam, V. Savinov, G. S. Huang, D. H. Miller, V. Pavlunin, B. Sanghi, E. I. Shibata, I. P.J. Shipsey, G. S. Adams, M. Chasse, J. P. Cummings, I. Danko, J. Napolitano, D. Cronin-Hennessy, C. S. Park, W. Park, J. B. Thayer, E. H. Thorndike, T. E. Coan, Y. S. Gao, F. Liu, R. Stroynowski, M. Artuso, C. Boulahouache, S. Blusk, J. Butt, E. Dambasuren, O. Dorjkhaidav, J. Haynes, N. Menaa, R. Mountain, H. Muramatsu, R. Nandakumar, R. Redjimi, R. Sia, T. Skwarnicki, S. Stone, J. C. Wang, Kevin Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

We report a new measurement of the B-meson semileptonic decay momentum spectrum that has been made with a sample of 9.4 [Formula Presented] of [Formula Presented] data collected with the CLEO II detector at the [Formula Presented] resonance. Electrons from primary semileptonic decays and secondary charm decays were separated by using charge and angular correlations in [Formula Presented] events with a high-momentum lepton and an additional electron. We determined the semileptonic branching fraction to be [Formula Presented] from the normalization of the electron-energy spectrum. We also measured the moments of the electron-energy spectrum with minimum energies from 0.6 to 1.5 GeV.

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number3
DOIs
StatePublished - 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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