Closing in on the Primordial Abundance of Deuterium

Scott Burles; David Tytler

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arXiv · astro-ph/9712265

Closing in on the Primordial Abundance of Deuterium

Scott Burles·David Tytler

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Abstract

We present our measurements of the deuterium to hydrogen ratio (D/H) in QSO absorption systems, which give D/H = 3.40 $\pm 0.25 \times 10^{-5}$ 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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Scott Burles, David Tytler. 1997-12-20. Closing in on the Primordial Abundance of Deuterium. https://arxiv.org/abs/astro-ph/9712265

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