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Once more on extra quark-lepton generations and precision measurements

  • Elementary Particles and Fields
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Abstract

Precisionmeasurements of Z-boson parameters andW-boson and t-quark masses put strong constraints on non SU(2) × U(1) singlet New Physics.We demonstrate that one extra generation passes electroweak constraints even when all new particle masses are well above their direct mass bounds.

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, Moscow, Russia

    V. A. Novikov, A. N. Rozanov & M. I. Vysotsky

  2. CPPM, Marseille, France

    A. N. Rozanov

Authors
  1. V. A. Novikov
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  2. A. N. Rozanov
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  3. M. I. Vysotsky
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Correspondence to V. A. Novikov.

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The text was submitted by the authors in English.

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Novikov, V.A., Rozanov, A.N. & Vysotsky, M.I. Once more on extra quark-lepton generations and precision measurements. Phys. Atom. Nuclei 73, 636–642 (2010). https://doi.org/10.1134/S1063778810040095

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  • DOI: https://doi.org/10.1134/S1063778810040095

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