Primordial lithium and the standard model(s)

Details Primordial lithium and the standard model(s) Primordial lithium and the standard model(s)

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvl..62.1583d&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 62, April 3, 1989, p. 1583-1586. Research supported by DOE, NASA, and NSF.

Physics

62

Abundance, Big Bang Cosmology, Chemical Evolution, Cosmochemistry, Lithium Isotopes, Baryons, Globular Clusters, Halos, Stellar Composition, Stellar Evolution

Scientific paper

The results of new theoretical work on surface Li-7 and Li-6 evolution in the oldest halo stars are presented, along with a new and refined analysis of the predicted primordial Li abundance resulting from big-bang nucleosynthesis. This makes it possible to determine the constraints which can be imposed on cosmology using primordial Li and both standard big-bang and stellar-evolution models. This leads to limits on the baryon density today of 0.0044-0.025 (where the Hubble constant is 100h km/sec Mpc) and imposes limitations on alternative nucleosynthesis scenarios.

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