Decay of b-flavored hadrons to single-muon and dimuon final states

K. Chadwick, P. Ganci, H. Kagan, R. Kass, F. Lobkowicz, A. C. Melissinos, S. L. Olsen, R. Poling, C. Rosenfeld, G. Rucinski, E. H. Thorndike, J. J. Mueller, D. Potter, F. Sannes, P. Skubic, R. Stone, A. Brody, A. Chen, M. Goldberg, N. HorwitzJ. 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, B. Gittelman, D. L. Hartill, D. Herrup, M. Herzlinger, D. L. Kreinick, N. B. Mistry, E. Nordberg, R. Perchonok, R. Plunkett, K. A. Shinsky, R. H. Siemann, A. Silverman, P. C. Stein, S. Stone, R. Talman, H. G. Thonemann, D. Weber, C. Bebek, J. Haggerty, J. M. Izen, C. Longuemare, W. A. Loomis, W. W. MacKay, F. M. Pipkin, J. Rohlf, W. Tanenbaum, Richard Wilson, A. J. Sadoff, D. L. Bridges

Research output: Contribution to journalArticlepeer-review

61 Scopus citations


An enhancement in the inclusive cross section for single muons produced in e+e- annihilation at the (4S) is observed, confirming the interpretation that a new bare flavor (B mesons) is produced at the (4S). A branching ratio for BX of (9.43.6)% is obtained. The two-muon decay, BX+- is not observed, providing a 90%-confidence-level upper limit for the branching ratio for that decay of 1.7%. Combining this with our previously reported limit of 5% for BXe+e-, we obtain 1.3% as an upper limit for BXl+l-.

Original languageEnglish (US)
Pages (from-to)88-91
Number of pages4
JournalPhysical Review Letters
Issue number2
StatePublished - 1981
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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