(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. JawaheryP. 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, D. L. Hartill, B. K. Heltsley, S. Holzner, J. Kandaswamy, R. Kowalewski, D. L. Kreinick, Y. Kubota, N. B. Mistry, J. Mueller, R. Namjoshi, E. Nordberg, D. Perticone, D. Peterson, M. Pisharody, K. Read, D. Riley, A. Silverman, S. Stone, A. J. Sadoff, P. Avery, D. Besson, L. Garren, T. Bowcock, K. Kinoshita, F. M. Pipkin, M. Procario, Richard Wilson, J. Wolinski, D. Xiao, P. Haas, M. Hempstead, T. Jensen, H. Kagan, R. Kass

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

ASJC Scopus subject areas

  • General Physics and Astronomy

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