Total cross section for electron-positron annihilation into hadron final states in the upsilon energy region

R. Giles, J. Hassard, M. Hempstead, K. Kinoshita, W. W. MacKay, F. M. Pipkin, Richard Wilson, P. Haas, T. Jensen, H. Kagan, R. Kass, S. Behrends, K. Chadwick, J. Chauveau, P. Ganci, T. Gentile, Jan M. Guida, Joan A. Guida, A. C. Melissinos, S. L. OlsenG. Parkhurst, D. Peterson, R. Poling, C. Rosenfeld, G. Rucinski, E. H. Thorndike, P. Tipton, D. Besson, J. Green, R. G. Hicks, R. Namjoshi, F. Sannes, P. Skubic, A. Snyder, R. Stone, A. Chen, M. Goldberg, N. Horwitz, A. Jawahery, P. Lipari, G. C. Moneti, C. G. Trahern, H. Van Hecke, M. S. Alam, S. E. Csorna, L. Garren, M. D. Mestayer, R. S. Panvini, Xia Yi, P. Avery, C. Bebek, 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, D. L. Kreinick, Y. Kubota, N. B. Mistry, F. Morrow, E. Nordberg, M. Ogg, R. Perchonok, R. Plunkett, A. Silverman, P. C. Stein, S. Stone, D. Weber, R. Wilcke, A. J. Sadoff

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47 Scopus citations

Abstract

We report measurements made with the CLEO detector at the Cornell Electron Storage Ring (CESR) of the total cross section for e+e-hadrons at the (1S), (2S), and (3S), and in the nearby nonresonant continuum. We find R=3.770.06 (statistical) 0.24 (systematic) for the ratio of the nonresonant hadronic cross section to the cross section for muon-pair production at a center-of-mass total energy W=10.4 GeV. For the leptonic decay widths ee of the (1S), (2S), and (3S) we obtain 1.300.050.08, 0.520.030.04, and 0.420.040.03 keV, respectively.

Original languageEnglish (US)
Pages (from-to)1285-1299
Number of pages15
JournalPhysical Review D
Volume29
Issue number7
DOIs
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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