Ref Arxiv: astro-ph/0202336
DOI: 10.1016/S0032-0633(02)00089-2
Ref. & Cit.: NASA ADS
7 citations
Résumé:

It is widely believed that the cosmic baryon density may be obtained by inferring deuterium abundances in low-metallicity quasar absorption line systems. The implicit assumptions which enter this argument are critically assessed. In particular, the production of deuterium in non-standard Big Bang nucleosynthesis scenarios, the putative production of deuterium in astrophysical environments, and the possible destruction of deuterium via non-standard chemical evolution are discussed.

Commentaires: Article based on a talk presented at "Deuterium in the Universe", Meudon, June 2001