A determination of quark weak couplings at petra energies

W. Bartel*, D. Cords, P. Dittman, R. Eichler, R. Felst, D. Haidt, H. Krehbiel, B. Naroska, L. H. O'Neill, P. Steffen, H. Wenninger, Y. Zhang, E. Elsen, M. Helm, A. Petersen, P. Warming, G. Weber, S. Bethke, H. Drumm, J. HeintzeG. Heinzelmann, K. H. Hellenbrand, R. D. Heuer, J. Von Krogh, P. Lennert, S. Kawabata, H. Matsumura, T. Nozaki, J. Olsson, H. Rieseberg, A. Wagner, A. Bell, F. Foster, G. Hughes, H. Wriedt, J. Allison, A. H. Ball, G. Bamford, R. Barlow, C. Bowdery, I. P. Duerdoth, J. F. Hassard, B. T. King, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, H. B. Prosper, K. Stephens, D. Clarke, M. C. Goddard, R. Marshall, G. F. Pearce, M. Imori, T. Kobayashi, S. Komamiya, M. Koshiba, M. Minowa, M. Nosaki, S. Orito, A. Sato, T. Suda, H. Takeda, Y. Totsuka, Y. Watanabe, S. Yamada, C. Yanagisawa

*この研究の対応する著者

研究成果: Article査読

14 被引用数 (Scopus)

抄録

Data on hadron production by e+e- annihilation at c.m. energies between 12 and 36.6 GeV have been collected using the JADE detector. They have been analysed in terms of single-photon and weak neutral-current exchange assuming production of quark-antiquark pairs with only d, u, s, c and b quarks to produce values for the quark weak neutral-current couplings. A further analysis in terms of the Glashow-Salam-Weinberg theory produced the result, sin2θW = 0.22 ± 0.08. The theory has therefore been tested in a new energy domain and within the context of the neutral weak couplings of the first, second and third generation quarks.

本文言語English
ページ(範囲)361-365
ページ数5
ジャーナルPhysics Letters B
101
5
DOI
出版ステータスPublished - 1981 5 21
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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