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Study of the [Formula Presented] dependence of [Formula Presented] and of [Formula Presented] and extraction of [Formula Presented]

  • S. B. Athar
  • , P. Avery
  • , L. Breva-Newell
  • , V. Potlia
  • , H. Stoeck
  • , J. Yelton
  • , K. Benslama
  • , B. I. Eisenstein
  • , G. D. Gollin
  • , I. Karliner
  • , N. Lowrey
  • , C. Plager
  • , C. Sedlack
  • , M. Selen
  • , J. J. Thaler
  • , J. Williams
  • , K. W. Edwards
  • , D. Besson
  • , X. Zhao
  • , S. Anderson
  • V. V. Frolov, D. T. Gong, Y. Kubota, S. Z. Li, R. Poling, A. Smith, C. J. Stepaniak, J. Urheim, Z. Metreveli, K. K. Seth, A. Tomaradze, P. Zweber, S. Ahmed, M. S. Alam, J. Ernst, L. Jian, M. Saleem, F. Wappler, K. Arms, E. Eckhart, K. K. Gan, C. Gwon, K. Honscheid, D. Hufnagel, H. Kagan, R. Kass, T. K. Pedlar, E. von Toerne, M. M. Zoeller, D. Cronin-Hennessy

Research output: Contribution to journalArticlepeer-review

Abstract

We report on determinations of [Formula Presented] resulting from studies of the branching fraction and [Formula Presented] distributions in exclusive semileptonic B decays that proceed via the [Formula Presented] transition. Our data set consists of the [Formula Presented] [Formula Presented] meson pairs collected at the [Formula Presented] resonance with the CLEO II detector. We measure [Formula Presented] and [Formula Presented] where the errors are statistical, experimental systematic, systematic due to residual form-factor uncertainties in the signal, and systematic due to residual form-factor uncertainties in the cross-feed modes, respectively. We also find [Formula Presented] consistent with what is expected from the [Formula Presented] mode and quark model symmetries. We extract [Formula Presented] using light-cone sum rules for [Formula Presented] and lattice QCD for [Formula Presented] Combining both intervals yields [Formula Presented] for [Formula Presented] and [Formula Presented] for [Formula Presented] where the errors are statistical, experimental systematic, theoretical, and ρlν form-factor shape, respectively. Our combined value from both decay modes is [Formula Presented]

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume68
Issue number7
DOIs
StatePublished - 2003

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