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Restrictions on the lifetime of sterile neutrinos from primordial nucleosynthesis
We analyze the influence of decaying sterile neutrinos with the masses in the range 1-140 MeV on the primordial Helium-4 abundance, explicitly solving the Boltzmann equations for all particle species, taking into account neutrino flavour oscillations, and paying special attention to systematic uncer...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2012
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| Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2012/10/014 http://cds.cern.ch/record/1424087 |