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Leptogenesis in supersymmetric hybrid inflation

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Symmetries in intermediate and high energy physics

Part of the book series: Springer Tracts in Modern Physics ((STMP,volume 163))

Abstract

The non-supersymmetric as well as the supersymmetric hybrid inflationary model is reviewed. The scenario of baryogenesis via a primordial leptogenesis is discussed and the rôle of the non-perturbative electroweak sphaleron effects is analyzed in detail. A supersymmetric model based on a left-right symmetric gauge group, which ‘naturally’ leads to hybrid inflation, is presented. The μ problem is solved, in this model, and the baryon asymmetry of the universe is produced through leptogenesis. For masses of ν μ, ν τ from the small angle MSW resolution of the solar-neutrino problem and super-Kamiokande, maximal ν μ−ν τ mixing can be achieved. The required values of the relevant parameters are, however, quite small.

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Authors and Affiliations

  1. Physics Division, School of Technology, Aristotle, University of Thessaloniki, GR-540 06, Thessaloniki, Greece

    G. Lazarides

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© 2000 Springer-Verlag

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Lazarides, G. (2000). Leptogenesis in supersymmetric hybrid inflation. In: Symmetries in intermediate and high energy physics. Springer Tracts in Modern Physics, vol 163. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0109653

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  • DOI: https://doi.org/10.1007/BFb0109653

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  • Print ISBN: 978-3-540-66698-1

  • Online ISBN: 978-3-540-47033-5

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