Experimental limits on the strength of weak neutral currents in lepton pair production at PETRA energies

W. Bartel, D. Cords, P. Dittman, R. Eichler, R. Felst, D. Haidt, S. Kawabata, H. Krehbiel, B. Naroska, L. H. O'Neill, P. Steffen, W. L. Yen, E. Elsen, M. Helm, A. Petersen, P. Warming, G. Weber, H. Drumm, J. Heintze, G. HeinzelmannR. D. Heuer, J. von Krogh, P. Lennert, H. Matsumura, T. Nozaki, J. Olsson, H. Rieseberg, A. Wagner, D. C. Darvill, F. Foster, G. Hughes, H. Wriedt, J. Allison, A. H. Ball, 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. Nozaki, S. Orito, A. Sato, T. Suda, H. Takeda, Y. Totsuka, Y. Watanabe, S. Yamada, C. Yanagisawa

研究成果: Article査読

29 被引用数 (Scopus)

抄録

The processes e+e- → e+e- and μ+μ- have been studied at PETRA using the JADE detector. The data, which were collected at s-values of up to 1300 GeV2 have been analysed in terms of an electro-weak extension of QED to obtain values for the weak vector and axial vector couplings in the lepton sector. The values obtained agree with the predictions of the standard Salam-Weinberg model and the data are further analysed in terms of this model to obtain the limits 0.10 < sin2 θ{symbol}w < 0.40 (68% CL). The mass of the neutral weak gauge boson is deduced to be greater than 51 GeV/c2.

本文言語English
ページ(範囲)281-286
ページ数6
ジャーナルPhysics Letters B
99
3
DOI
出版ステータスPublished - 1981 2 19

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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