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On the possibility of studying extra gauge Z′-Boson effects in e+e-→l+ - at TRISTANat TRISTAN

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Il Nuovo Cimento A (1965-1970)

Summary

A new possibility is suggested in order to study in the process e+e-→l+ - at energies below the standard Z-boson production threshold the effects coming from an extra neutral gauge boson Z′ in superstring-inspiredE 6 models. It is shown that at energies \( \sqrt s \) ∼(50 ÷ 60) GeV the cross-section for relatively light Z′(M Z′≲2.5MZ) can have an interference dip absent in the standard model. The depth and energy coordinates of this dip depend on Z′-boson parameters. This information concerning the Z′-boson can be obtained by making use of TRISTAN, which is a high-luminosity set-up.

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Author notes

  1. A. A. Pankov

    Present address: Department of Physics, Gomel Polytechnic Institute, 48 October Avenue, 246 746, Gomel, USSR

Authors and Affiliations

  1. International Centre for Theoretical Physics, Trieste, Italy

    A. A. Pankov

  2. Department of Theoretical Physics, University of Trieste, Trieste, Italy

    A. A. Pankov

  3. Laboratory of High Energy Physics, Institute of Physics, 70 Lenin Avenue, 220 602, Minsk, USSR

    I. S. Satsunkevich

Authors
  1. A. A. Pankov
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  2. I. S. Satsunkevich
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Pankov, A.A., Satsunkevich, I.S. On the possibility of studying extra gauge Z′-Boson effects in e+e-→l+ - at TRISTANat TRISTAN. Nuov Cim A 103, 1121–1130 (1990). https://doi.org/10.1007/BF02820539

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  • DOI: https://doi.org/10.1007/BF02820539

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