BBN Constraints on the Cosmological Parameters

Details BBN Constraints on the Cosmological Parameters BBN Constraints on the Cosmological Parameters

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..apr.8wk06s&link_type=abstract

American Physical Society, APS/AAPT Joint April Meeting, April 18-21, 1998 Columbus, Ohio, abstract #8WK06

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In the context of the standard model of big bang nucleosynthesis (SBBN), deuterium is the ideal baryometer. The baryon density of the Universe determined via primordial deuterium must be consistent with measures of the baryon density inferred from the other cosmological parameters. Data from the Lyα forest and from X-ray clusters will be used in concert with SBBN to place constraints on the total mass density, as well as on the amount of dark baryons in the Universe. Since the estimate of the primordial abundance of deuterium derived from QSO absorption lines remains unsettled, joint constraints on the key cosmological parameters which are independent of SBBN will also be presented.

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