Sterile Neutrinos in Big Bang Nucleosynthesis

Details Sterile Neutrinos in Big Bang Nucleosynthesis Sterile Neutrinos in Big Bang Nucleosynthesis

2000-02-08

arxiv.org/abs/hep-ph/0002086v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Masters Thesis (TU Munich), 52 pp

Scientific paper

We investigate analytically the evolution of the primordial neutrino
asymmetry caused by active-sterile neutrino oscillations. In particular, we
concentrate on possible chaotic oscillations of the asymmetry. For a certain
range of parameters, we find that the asymmetry indeed oscillates, provided we
neglect the momentum distribution.

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