On Be-9 production in the nonuniform density model of big bang nucleosynthesis

Details On Be-9 production in the nonuniform density model of big bang nucleosynthesis On Be-9 production in the nonuniform density model of big bang nucleosynthesis

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...402...62c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 402, no. 1, p. 62-68.

Astronomy and Astrophysics

Astrophysics

2

Astronomical Models, Beryllium 9, Big Bang Cosmology, Nuclear Fusion, Abundance, Density Wave Model, Elementary Particles

Scientific paper

These calculations are motivated by the recent observation of a high Be-9 abundance in a very metal poor star and the measurement of a key reaction rate for Be-9 synthesis. We study Be-9 production within the nonuniform density model of big bang nucleosynthesis: regions of both high and low density with a nonstandard n/p ratio may have emerged out after the quark-hadron phase transition leading to nonconventional nucleosynthesis. In addition to the elements produced in the standard model (SM), Be-9 may be significantly produced. We look for the conditions that would lead to a high Be-9 abundance, as recent observations indicate that Be-9 primordial abundance may be higher than expected in the SM of big bang nucleosynthesis.

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