Neutrino Physics and the Primordial Elemental Abundances

Details Neutrino Physics and the Primordial Elemental Abundances Neutrino Physics and the Primordial Elemental Abundances

1997-01-31

arxiv.org/abs/astro-ph/9702001v1

Astronomy and Astrophysics

Astrophysics

To appear in the proceedings of the Texas Symposium on Relativistic Astrophysics held in Chicago, Dec. 15-20 1996. 3 pages, la

Scientific paper

Limits can be placed on nonstandard neutrino physics when big bang nucleosynthesis (BBN) calculations employing standard neutrino physics agree with the observationally inferred primordial abundances of deuterium (D), $^3$He, $^4$He, and $^7$Li. These constraints depend most sensitively on the abundances of D and $^4$He. New observational determinations of the primordial D and/or $^4$He abundances could force revisions in BBN constraints on nonstandard neutrino physics.

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