Effects of Neutrino Degeneracy on the Primordial Abundances of 9Be and 11B

Details Effects of Neutrino Degeneracy on the Primordial Abundances of 9Be and 11B Effects of Neutrino Degeneracy on the Primordial Abundances of 9Be and 11B

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...448..510k&link_type=abstract

Astrophysical Journal v.448, p.510

Astronomy and Astrophysics

Astronomy

7

Cosmology: Early Universe, Elementary Particles, Nuclear Reactions, Nucleosynthesis, Abundances

Scientific paper

The primordial abundances of 9Be and 11B are calculated to investigate the effects of the lepton number asymmetry due to nonzero neutrino degeneracy. Within the permitted ranges of parameters obtained from the analyses of primordial abundances of light elements, the 9Be abundance is found to be indistinguishable from that of the standard big bang nucleosynthesis. However, the primordial 11B abundance is found to be sensitive on the neutrino degeneracy.

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