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SuperB production, matter stability and gauge hierarchy in SUSY GUTs

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Zeitschrift für Physik C Particles and Fields

Abstract

We analyze the connections between the problems of the cosmological baryon asymmetry (CBA), matter stability and mass hierarchy in supersymmetric Grand Unified models. We show that the typical delay of the phase transition in supersymmetric theories as well as a natural solution to the triplet-doublet Higgs hierarchy problem imply baryon production after the Grand Unification phase transition which in a wide class of SUSY GUTs takes place atT∼109–1010 GeV. Light Higgs colour triplets as a means of producing the CBA are discussed in detail. An alternative mechanism involving a singlet superfield is proposed leading to striking consequences in proton decay with the appearance of (B+L) conserving modes with a muon and a kaon in the final state:n→μ− K +,p μ 2212;π+ K + and a lifetime of 1031 years.

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Author notes

  1. A. Masiero

    Present address: Sezione di Padova, Associato INFN, Italy

  2. T. Yanagida

    Present address: Physics Dept., College of General Education, Tohoku University, 980, Sendai, Japan

Authors and Affiliations

  1. Max Planck Institut für Physik und Astrophysik, D-8000, München, Federal Republic of Germany

    A. Masiero & T. Yanagida

  2. CERN, CH-1211, Geneva, 23, Switzerland

    D. V. Nanopoulos & K. Tamvakis

Authors
  1. A. Masiero
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  2. D. V. Nanopoulos
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  3. K. Tamvakis
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  4. T. Yanagida
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Address after 1 October 1982: CERN, Geneva, Switzerland

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Masiero, A., Nanopoulos, D.V., Tamvakis, K. et al. SuperB production, matter stability and gauge hierarchy in SUSY GUTs. Z. Phys. C - Particles and Fields 17, 33–42 (1983). https://doi.org/10.1007/BF01577816

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  • DOI: https://doi.org/10.1007/BF01577816

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