A measurement of the total cross section and a study of inclusive muon production for the process e+e-→ hadrons in the energy range between 39.79 GeV and 46.78 GeV

W. Bartel, L. Becker, D. Cords, R. Eichler, R. Felst, D. Haidt, H. Junge, G. Knies, H. Krehbiel, P. Laurikainen, K. Meier, R. Meinke, B. Naroska, J. Olsson, D. Schmidt, P. Steffen, G. Dietrich, J. Hagemann, G. Heinzelmann, H. KadoK. Kawagoe, C. Kleinwort, M. Kuhlen, A. Petersen, R. Ramcke, U. Schneekloth, G. Weber, K. Ambrus, S. Bethke, A. Dieckmann, E. Elsen, J. Heintze, K. H. Hellenbrand, S. Komamiya, J. Von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, J. Spitzer, A. Wagner, C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes, J. M. Nye, J. Allison, A. H. Ball, R. J. Barlow, J. Chrin, I. P. Duerdoth, T. Greenshaw, P. Hill, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, K. Stephens, P. Warming, R. G. Glasser, J. A.J. Skard, S. R. Wagner, G. T. Zorn, S. L. Cartwright, D. Clarke, R. Marshall, R. P. Middleton, T. Kawamoto, T. Kobayashi, T. Mashimo, M. Minowa, H. Takeda, T. Takeshita, S. Yamada

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Abstract

The total cross section and the inclusive muon cross section for the process e+e-→ hadrons have been measured in the center of mass energy range between 39.79 and 46.78 GeV. The ratio R shows no significant structure. It has an average value of 4.13±0.08±0.14. An upper limit is set on the production of narrow resonances. Limits are obtained for pair-produced heavy quarks. The data are compared with the standard electroweak interaction model including QCD corrections taking into account the five known types of quarks. Upper limits are given for a possible structure of quarks and for effects of color octet leptons.

Original languageEnglish
Pages (from-to)337-342
Number of pages6
JournalPhysics Letters B
Volume160
Issue number4-5
DOIs
Publication statusPublished - 1985 Oct 10

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Bartel, W., Becker, L., Cords, D., Eichler, R., Felst, R., Haidt, D., Junge, H., Knies, G., Krehbiel, H., Laurikainen, P., Meier, K., Meinke, R., Naroska, B., Olsson, J., Schmidt, D., Steffen, P., Dietrich, G., Hagemann, J., Heinzelmann, G., ... Yamada, S. (1985). A measurement of the total cross section and a study of inclusive muon production for the process e+e-→ hadrons in the energy range between 39.79 GeV and 46.78 GeV. Physics Letters B, 160(4-5), 337-342. https://doi.org/10.1016/0370-2693(85)91339-5