Primordial lithium and galactic chemical evolution

Details Primordial lithium and galactic chemical evolution Primordial lithium and galactic chemical evolution

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342l...5a&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 342, July 1, 1989, p. L5-L9. Research supported by CNRS, NSF, and

Astronomy and Astrophysics

Astrophysics

16

Chemical Evolution, Galactic Evolution, Lithium Isotopes, Nuclear Fusion, Particle Mass, Big Bang Cosmology, Hadrons, Late Stars

Scientific paper

It is shown that current models of galactic chemical evolution constrain the time scale for synthesis of iron in old stars, so that observations of lithium in extreme metal-poor stars can be used to limit the possible astration factor of primordial Li-6. It is concluded that any nonstandard light element nucleosynthesis model which overproduces Li-6/Li-7 by up to an order of magnitude is severely constrained by generally accepted galactic chemical evolution models.

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