Deuterium and Li7 Concordance in Inhomogeneous Big Bang Nucleosynthesis Models

Details Deuterium and Li7 Concordance in Inhomogeneous Big Bang Nucleosynthesis Models Deuterium and Li7 Concordance in Inhomogeneous Big Bang Nucleosynthesis Models

2004-02-04

arxiv.org/abs/astro-ph/0402112v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to be published in "Frontier in Astroparticle Physics and Cosmology (ResCEU6)"

Scientific paper

Recent observational constraints on primodial deuterium and Li7 correspond to different values of the baryon-to-photon ratio when applied to the Standard Big Bang Nucleosynthesis (SBBN) model. In this article these constraints are applied to baryon Inhomogeneous (IBBN) models. A depletion factor of 3.4 applied to the Li7 constraints will bring Li7, deuterium and He4 constraints in concordance for both the SBBN and IBBN models. A depletion factor of 6.1 will bring concordance for the IBBN model alone.

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