(bul)/(bcl) from the end point of the lepton momentum spectrum in semileptonic B decay

  • S. Behrends
  • , Jan M. Guida
  • , Joan A. Guida
  • , F. Morrow
  • , R. Poling
  • , E. H. Thorndike
  • , P. Tipton
  • , M. S. Alam
  • , N. Katayama
  • , I. J. Kim
  • , W. C. Li
  • , X. C. Lou
  • , C. R. Sun
  • , V. Tanikella
  • , D. Bortoletto
  • , A. Chen
  • , M. Goldberg
  • , R. Holmes
  • , N. Horwitz
  • , A. Jawahery
  • P. Lubrano, G. C. Moneti, V. Sharma, I. P.J. Shipsey, P. Thoma, S. E. Csorna, M. D. Mestayer, R. S. Panvini, G. B. Word, A. Bean, G. J. Bobbink, I. C. Brock, A. Engler, T. Ferguson, R. W. Kraemer, C. Rippich, H. Vogel, C. Bebek, K. Berkelman, E. Blucher, D. G. Cassel, T. Copie, R. Desalvo, J. W. Dewire, R. Ehrlich, R. S. Galik, M. G.D. Gilchriese, B. Gittelman, S. W. Gray, A. M. Halling

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

We have used the measured yield of leptons near the end point of the momentum spectrum from semileptonic B decay to obtain an upper limit on (bul)/(bcl) and a corresponding limit on Vub/Vcb.

Original languageEnglish (US)
Pages (from-to)407-410
Number of pages4
JournalPhysical review letters
Volume59
Issue number4
DOIs
StatePublished - 1987

Bibliographical note

Funding Information:
The authors are grateful to National Institutes of Health (Grant No. 1 F02 NS-51982-0" Bethesda, Md. U.S.A., and to the Multiple Sclerosis Society of Great Britain and Northern l-for financial support. * Present address: Department of Neurology, Stanford University and Neurol~ Veterans Administration Hospital, 3801 Miranda Avenue, Palo Alto, Calif. 94304, I r * * Present address: The Wellcome Research Laboratories, Langley Court, Beckr 3BS (Great Britain)

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