Evidence for new-flavor production at the (4S)

C. Bebek, J. Haggerty, J. M. Izen, C. Longuemare, W. A. Loomis, F. M. Pipkin, J. Rohlf, W. Tanenbaum, Richard Wilson, A. J. Sadoff, D. L. Bridges, K. Chadwick, P. Ganci, H. Kagan, R. Kass, F. Lobkowicz, A. Melissinos, S. L. Olsen, R. Poling, C. RosenfeldG. Rucinski, E. H. Thorndike, G. Warren, D. Bechis, J. J. Mueller, D. Potter, F. Sannes, P. Skubic, R. Stone, A. Brody, A. Chen, M. Goldberg, N. Horwitz, J. Kandaswamy, H. Kooy, P. Lariccia, G. C. Moneti, M. S. Alam, S. E. Csorna, R. S. Panvini, J. S. Poucher, D. Andrews, K. Berkelman, R. Cabenda, D. G. Cassel, J. W. Dewire, R. Ehrlich, T. Ferguson, T. Gentile, M. G.D. Gilchriese

Research output: Contribution to journalArticlepeer-review

86 Scopus citations


An enhancement has been observed in the inclusive cross section for direct single electrons produced in e+e- annihilations at the (4S). This is interpreted as evidence for a new weakly decaying particle, the B meson. A branching ratio for BXe of [133 (3)]% is inferred, where the first set of errors is statistical and the estimated systematic error is enclosed in parentheses.

Original languageEnglish (US)
Pages (from-to)84-87
Number of pages4
JournalPhysical review letters
Issue number2
StatePublished - 1981


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