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New limits on the low energy predictions for the preon grand unification

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Zeitschrift für Physik C Particles and Fields

Abstract

AnSU(36) grand unification model for the preons which leads to the standard set of quark-leptons with family replication is proposed. The particle content and the symmetry breaking patterns of the model are also considered. From the analysis of the renormalization group equations it follows that the allowed region of low energy predictions of such a model is larger than the one of usual models of grand unifications for the quarks and leptons. In particular, proton can be practically stable. The problem of absence of exotic states is also discussed. The whole approach is a prototype of the problems which appear if one applies the superstring-type models at the preon level.

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Authors and Affiliations

  1. Department of High Energy Physics, University of Helsinki, SF-00170, Helsinki, Finland

    M. Chaichian

  2. Department of Physics, Tula Polytechnic Institute, SU-300000, Tula, USSR

    Yu. N. Kolmakov

  3. Institute of Nuclear Physics, Moscow State University, SU-Moscow, USSR

    N. F. Nelipa

Authors
  1. M. Chaichian
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  2. Yu. N. Kolmakov
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  3. N. F. Nelipa
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Chaichian, M., Kolmakov, Y.N. & Nelipa, N.F. New limits on the low energy predictions for the preon grand unification. Z. Phys. C - Particles and Fields 43, 381–389 (1989). https://doi.org/10.1007/BF01506533

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  • DOI: https://doi.org/10.1007/BF01506533

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