Production of Be-9 and heavy elements in the inhomogeneous universe

Details Production of Be-9 and heavy elements in the inhomogeneous universe Production of Be-9 and heavy elements in the inhomogeneous universe

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362l..47t&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 362, Oct. 20, 1990, p. L47-L49. Research supported by the Institu

Statistics

Computation

54

Beryllium 9, Heavy Elements, Nuclear Fusion, Particle Production, Universe, Abundance, Computational Astrophysics, Cosmology, Inhomogeneity

Scientific paper

The abundances of Be-9 and CNO elements in the inhomogeneous models of primordial nucleosynthesis are calculated using an extended network including elements up to Ne-22 in a multizone scheme. It is shown that the Be-9 abundance is two orders of magnitude smaller than that calculated in a simplified two-zone model. Heavy elements are produced mainly in high-density zones, and the abundances of CNO elements, which are seeds of a cosmic r-process, are fairly small in low-density and neutron-rich zones.

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