Sterile Neutrinos in Big Bang Nucleosynthesis

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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.
Masters Thesis (TU Munich), 52 pp

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High Energy Physics - Phenomenology, Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/39378

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0002086
 http://arxiv.org/abs/hep-ph/0002086

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arXiv