A measurement of the charmed quark asymmetry in e+e- annihilation

F. Ould-Saada, J. Allison, K. Ambrus, R. J. Barlow, W. Bartel, S. Bethke, C. K. Bowdery, S. L. Cartwright, J. Chrin, D. Clarke, A. Dieckmann, I. P. Duerdoth, G. Eckerlin, E. Elsen, R. Felst, A. J. Finch, F. Foster, T. Greenshaw, J. Hagemann, D. HaidtJ. Heintze, G. Heinzelmann, K. H. Hellenbrand, P. Hill, G. Hughes, H. Kado, K. Kawagoe, C. Kleinwort, G. Knies, T. Kobayashi, S. Komamiya, H. Krehbiel, J. v. Krogh, M. Kuhlen, F. K. Loebinger, A. A. Macbeth, N. Magnussen, R. Marshall, R. Meinke, R. P. Middleton, H. Minowa, P. G. Murphy, B. Naroska, J. M. Nye, J. Olsson, R. Ramcke, H. Rieseberg, D. Schmidt, L. Smolik, U. Schneekloth, J. A.J. Skard, J. Spitzer, P. Steffen, K. Stephens, A. Wagner, I. W. Walker, P. Warming, G. Weber, M. Zimmer, G. T. Zorn

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

The charmed quark charge asymmetry has been measured at the average centre of mass energy of 35 GeV with the JADE detector at the e+e- storage ring PETRA. Charmed quarks were identified by D tagging using the ΔM technique. D mesons were reconstructed through their decay into D0 mesons resulting in (Kπ) π and (K π π π) π final states. The measured charge asymmetry A=-0.149±0.067 is in agreement with the expectation from the electroweak interference effect in quantum flavour dynamics (QFD).

本文言語英語
ページ(範囲)567-571
ページ数5
ジャーナルZeitschrift für Physik C Particles and Fields
44
4
DOI
出版ステータス出版済み - 12 1989
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(その他)

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