Deuterium of cosmological origin and the average density of the universe

Details Deuterium of cosmological origin and the average density of the universe Deuterium of cosmological origin and the average density of the universe

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975pazh....1...10z&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal, vol. 1, Jan. 1975, p. 10-13. In Russian.

Astronomy and Astrophysics

Astrophysics

3

Abundance, Big Bang Cosmology, Density Distribution, Deuterium, Interstellar Gas, Universe, Astronomical Models, Baryons, Light Elements, Missing Mass (Astrophysics), Nuclear Fusion

Scientific paper

A solution is proposed for the missing-mass paradox. It is noted that a contradiction exists between the observed deuterium abundance and that obtained from the big-band hypothesis using the most acceptable values for the density of the universe. Previous calculations of the deuterium abundance and the density of the universe are described, and the major assumptions in the theory of cosmological deuterium formation are summarized. To resolve the contradiction, it is proposed that a strong inhomogeneity in the small-scale distribution of baryons occurred on a homogeneous radiation background just prior to nucelosynthesis of the light elements.

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