Vibrational level population of H_2 and H2+ in the early Universe

Details Vibrational level population of H_2 and H2+ in the early Universe Vibrational level population of H_2 and H2+ in the early Universe

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..280p.133c&link_type=abstract

The Molecular Universe, Posters from the proceedings of the 280th Symposium of the International Astronomical Union held in Tole

Astronomy and Astrophysics

Astronomy

Scientific paper

We formulate a vibrationally resolved kinetics for molecular hydrogen and its cation in the primordial Universe chemistry. Formation, destruction and relaxation processes for each vibrational level are studied and included as chemical pathways of the present model. The fractional abundance of each vibrational level as a function of the redshift is given: a strong deviation from the Boltzmann distribution is found at low z. A discussion of the results is provided, also evaluating the effects of relaxation processes on the level populations.

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