Densities of Baryons and Neutrinos in the Universe from an Analysis of Big-Bang Nucleosynthesis

Details Densities of Baryons and Neutrinos in the Universe from an Analysis of Big-Bang Nucleosynthesis Densities of Baryons and Neutrinos in the Universe from an Analysis of Big-Bang Nucleosynthesis

Dec 1972

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972phrvd...6.3363r&link_type=abstract

Physical Review D, vol. 6, Issue 12, pp. 3363-3368

Physics

19

Scientific paper

The contribution from the "big bang" to the observed "cosmic" abundances of D, 3He, 4He, and 7Li can, in principle, be used to determine and, in practice, give limits to the baryonic number B and the electron leptonic number Le of the universe. Limits of B<3×10-9 (ρb<2×10-30 g cm-3) and -0.3

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