Leptogenesis and neutrino parameters

Details Leptogenesis and neutrino parameters Leptogenesis and neutrino parameters

2000-11-03

arxiv.org/abs/hep-ph/0011053v1

Phys.Rev. D63 (2001) 073007

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex, 21 pages with 8 figures

Scientific paper

10.1103/PhysRevD.63.073007

We calculate the baryonic asymmetry of the universe in the baryogenesis-via-leptogenesis framework, assuming first a quark-lepton symmetry and then a charged-neutral lepton symmetry. We match the results with the experimentally favoured range. In the first case all the oscillation solutions to the solar neutrino problem, except the large mixing matter solution, can lead to the allowed range, but with fine tuning of the parameters. In the second case the general result is quite similar. Some related theoretical hints are discussed.

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