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Azimuthal angular dependence of decay lepton in \(e^+ e^- \to t \bar{t}\)

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Abstract.

We discuss top quark production and its subsequent decay as used for searching new physics at lepton colliders. The angular dependence of the decay leptons is calculated including both QCD corrections and anomalous \(\gamma / Z - t \bar{t}\) couplings. The off-diagonal spin basis for the top and anti-top quarks is shown to be useful to probe the anomalous couplings.

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Authors and Affiliations

  1. Department of Physics, Tohoku University, Sendai 980-8578, Japan , , , , , , JP

    Y. Kiyo

  2. Department of Physics, Hiroshima University, Higashi-Hiroshima 739-8526, Japan , , , , , , JP

    J. Kodaira & K. Morii

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  1. Y. Kiyo
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  2. J. Kodaira
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  3. K. Morii
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Received: 11 August 2000 / Published online: 27 November 2000

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Kiyo, Y., Kodaira, J. & Morii, K. Azimuthal angular dependence of decay lepton in \(e^+ e^- \to t \bar{t}\) . Eur. Phys. J. C 18, 327–332 (2000). https://doi.org/10.1007/s100520000517

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  • DOI: https://doi.org/10.1007/s100520000517

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