The deuterium abundance in QSO absorption systems: a mesoturbulent approach

Details The deuterium abundance in QSO absorption systems: a mesoturbulent approach The deuterium abundance in QSO absorption systems: a mesoturbulent approach

2000-01-24

arxiv.org/abs/astro-ph/0001406v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 eps figures, newpasp.sty file, to appear in the Proceedings of the IAU Symposium 198 "The light elements and their

Scientific paper

A new method, based on simulated annealing technique and aimed at the inverse problem in the analysis of intergalactic or interstellar complex spectra of hydrogen and metal lines, is outlined. We consider the process of line formation in clumpy stochastic media accounting for fluctuating velocity and density fields self-consistently. Two examples of the analysis of `H+D'-like absorptions seen at z = 3.514 and 3.378 towards APM 08279+5255 are presented.

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