Measurement of the leptonic branching ratios of the '(1S), '(2S), and '(3S)

D. Andrews, P. Avery, K. Berkelman, D. G. Cassel, J. W. DeWire, R. Ehrlich, T. Ferguson, R. Galik, M. G.D. Gilchriese, B. Gittelman, M. Halling, D. L. Hartill, D. Herrup, S. Holzner, M. Ito, J. Kandaswamy, V. Kistiakowsky, D. L. Kreinick, Y. Kubota, N. B. MistryF. Morrow, E. Nordberg, M. Ogg, R. Perchonok, R. Plunkett, A. Silverman, P. C. Stein, S. Stone, D. Weber, R. Wilcke, A. J. Sadoff, C. Bebek, R. Giles, J. Hassard, M. Hempstead, J. M. Izen, K. Kinoshita, W. W. MacKay, F. M. Pipkin, J. Rohlf, Richard Wilson, H. Kagan, S. Behrends, K. Chadwick, J. Chauveau, P. Ganci, T. Gentile, Jan M. Guida, Joan A. Guida, R. Kass, A. C. Melissinos, S. L. Olsen, G. Parkhurst, D. Peterson, R. Poling, C. Rosenfeld, G. Rucinski, E. H. Thorndike, J. Green, R. G. Hicks, F. Sannes, P. Skubic, A. Snyder, R. Stone, A. Chen, M. Goldberg, N. Horwitz, A. Jawahery, M. Jibaly, P. Lipari, G. C. Moneti, C. G. Trahern, H. Van Hecke, M. S. Alam, S. E. Csorna, A. Fridman, L. Garren, M. Mestayer, R. S. Panvini

研究成果: 雜誌貢獻期刊論文同行評審

33 引文 斯高帕斯(Scopus)

摘要

Using the CLEO detector at the Cornell Electron Storage Ring, the authors have measured the leptonic branching fractions, B, of the '(1S), '(2S), and '(3S) to be 2.7±0.3±0.3%, 1.9±1.3±0.5%, and 3.3±1.3±0.7%, respectively. Combining these values of B with previous measurements of the leptonic widths of these resonances, the authors find the total widths of the '(1S), '(2S), and '(3S) to be 48±4±4, 27±17±6, and 13±4±3 keV.

原文???core.languages.en_GB???
頁(從 - 到)807-810
頁數4
期刊Physical Review Letters
50
發行號11
DOIs
出版狀態已出版 - 1983

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