A search for flavour-changing neutral currents in b decay at petra

W. Bartel, L. Becker, C. K. Bowdery, D. Cords, R. Eichler, R. Felst, D. Haidt, H. Krehbiel, B. Naroska, J. Olsson, P. Steffen, P. Warming, G. Dietrich, E. Elsen, G. Heinzelmann, H. Kado, K. Meier, A. Petersen, U. Schneekloth, G. WeberS. Bethke, A. Dieckmann, J. Heintze, K. H. Hellenbrand, R. D. Heuer, S. Komamiya, J. von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, A. Wagner, A. Bell, A. Finch, F. Foster, G. Hughes, T. Nozaki, H. Wriedt, J. Allison, A. H. Ball, G. J. Bamford, R. J. Barlow, I. P. Duerdoth, I. Glendinning, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, P. G. Rowe, K. Stephens, D. Clarke, R. Marshall, G. F. Pearce, J. B. Whittaker, J. Kanzaki, T. Kawamoto, T. Kobayashi, M. Koshiba, M. Minowa, M. Nozaki, S. Odaka, S. Orito, A. Sato, H. Takeda, T. Takeshita, Y. Totsuka, S. Yamada

研究成果: Article査読

17 被引用数 (Scopus)

抄録

A study of the reaction e+e- → μ+μ-+ anything at a mean centre of mass energy of ≈35 GeV has been carried out to investigate the possible flavour-changing neutral current decay of the b quark. An upper limit of 0.7% at 95% CL has been placed on the branching ratio for this process. This limit conflicts with the predictions of a five-quark model (without top) which assigns the b quark to left- and right-handed singlets.

本文言語English
ページ(範囲)241-245
ページ数5
ジャーナルPhysics Letters B
132
1-3
DOI
出版ステータスPublished - 1983 11 24
外部発表はい

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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