On the Measurements of D/H in QSO Absorption Systems Closing in on the primordial abundance of deuterium

Details On the Measurements of D/H in QSO Absorption Systems Closing in on the primordial abundance of deuterium On the Measurements of D/H in QSO Absorption Systems Closing in on the primordial abundance of deuterium

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ssrv...84...65b&link_type=abstract

Space Science Reviews, v. 84, Issue 1/2, p. 65-75 (1998).

Physics

34

Cosmology, Nucleosynthesis, Abundances, Quasars: Absorption Lines

Scientific paper

We present our measurements of the deuterium to hydrogen ratio (D/H) in QSO absorption systems, which give D/H = 3.40 +/- 0.25 x 10-5 based on analysis of four independent systems. We discuss the properties of two systems which provide the strongest constraints on D/H. We outline the systematic effects involved in measurements of D/H and introduce a sophisticated method of analysis which properly accounts for these effects.

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