Charged-Particle multiplicities in B-Meson decay

M. S. Alam, S. E. Csorna, A. Fridman, R. G. Hicks, R. S. Panvini, D. Andrews, P. Avery, K. Berkelman, R. Cabenda, D. G. Cassel, J. W. Dewire, R. Ehrlich, T. Ferguson, M. G.D. Gilchriese, B. Gittelman, D. L. Hartill, D. Herrup, M. Herzlinger, S. Holzner, J. KandaswamyD. L. Kreinick, N. B. Mistry, F. Morrow, E. Nordberg, R. Perchonok, R. Plunkett, A. Silverman, P. C. Stein, S. Stone, D. Weber, R. Wilcke, A. J. Sadoff, C. Bebek, J. Haggerty, M. Hempstead, J. M. Izen, W. A. Loomis, W. W. MacKay, F. M. Pipkin, J. Rohlf, W. Tanenbaum, R. Wilson, K. Chadwick, J. Chauveau, P. Ganci, T. Gentile, H. Kagan, R. Kass, A. C. Melissinos, S. L. Olsen, R. Poling, C. Rosenfeld, G. Rucinski, E. H. Thorndike, J. Green, F. Sannes, P. Skubic, A. Snyder, R. Stone, A. Brody, A. Chen, M. Goldberg, N. Horwitz, P. Lipari, H. Kooy, G. C. Moneti, P. Pistilli

研究成果: 雜誌貢獻期刊論文同行評審

46 引文 斯高帕斯(Scopus)


The charged multiplicity has been measured at the '(4S) and a value of 5.75±0.1±0.2 has been obtained for the mean charged multiplicity in B-meson decay. Combining this result with the measurement of prompt leptons from B decay, the values 4.1±0.35±0.2 and 6.3±0.2±0. 2 are found for the semileptonic and nonleptonic charged multiplicities, respectively. If b'c dominance is assumed for the weak decay of the B meson, then the semileptonic multiplicity is consistent with the recoil mass determined from the lepton momentum spectrum.

頁(從 - 到)357-360
期刊Physical Review Letters
出版狀態已出版 - 1982


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