Primordial LiH: The chemistry in a collapsing protocloud

Details Primordial LiH: The chemistry in a collapsing protocloud Primordial LiH: The chemistry in a collapsing protocloud

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998newa....3...27p&link_type=abstract

New Astronomy, vol. 3, no. 1, p. 27-36.

Astronomy and Astrophysics

Astronomy

10

Early Universe, Molecular Processes

Scientific paper

We analyse and discuss the evolution of primordial molecules during the beginning stage of the early cloud formation using an updated primordial lithium chemistry. As Puy & Signore (1996); Puy & Signore (1997), we consider a simple model of a collapsing protocloud after the recombination epoch but paying special attention to the LiH formation by radiative association from excited Li atoms. Because the rate of LiH destruction through collisions with H atoms is only estimated we find that, at present, the percentage of primordial lithium converted to LiH is quite uncertain.

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