Inflation, the mu Problem and Maximal nu_mu-nu_tau Mixing

Details Inflation, the mu Problem and Maximal nu_mu-nu_tau Mixing Inflation, the mu Problem and Maximal nu_mu-nu_tau Mixing

1999-04-17

arxiv.org/abs/hep-ph/9904372v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figures, Revtex, talk given at the Conference on "Symmetries in Intermediate and High Energy Physics and Applicati

Scientific paper

A supersymmetric model based on a left-right symmetric gauge group, which `naturally' leads to hybrid inflation, is studied. It is shown that the mu problem can be easily solved in this model. The observed baryon asymmetry of the universe is produced via a primordial leptogenesis. For masses of nu_mu, nu_tau from the small angle MSW resolution of the solar neutrino problem and SuperKamiokande, maximal nu_mu-nu_tau mixing can be achieved. The required values of the relevant parameters are, however, quite small.

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