Light Elements in Inhomogeneous Early Galaxy and Their Astrophysical Interests

Details Light Elements in Inhomogeneous Early Galaxy and Their Astrophysical Interests Light Elements in Inhomogeneous Early Galaxy and Their Astrophysical Interests

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003omeg.conf...23s&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2000. Proceedings of the International Symposium. Held 19-21 January 2000 in Universi

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The aim of this contribution is that presenting the interesting and important astrophysical aspects of light elements (LiBeB) in the early stages of Galaxy, based on a model of SN-induced chemical evolution1,2; (1)Abundances of light elements observed in metal-poor stars can be used as their age indicators. (2)Our model determines the primordial 7Li abundance precisely, and it gives an independent constraint on the baryon density of Universe. (3)We estimate the possibility of distinguishing the models of standard Big-Bang Nucleosynthesis and non-standard (inhomogeneous) Big-Bang Nucleosynthesis, by future observations of Be abundances in metal-poor stars.

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