H2 and HD Direct Photodissociation in the Chemistry of the Primordial Universe

Details H2 and HD Direct Photodissociation in the Chemistry of the Primordial Universe H2 and HD Direct Photodissociation in the Chemistry of the Primordial Universe

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011apj...727...37c&link_type=abstract

The Astrophysical Journal, Volume 727, Issue 1, article id. 37 (2011).

Astronomy and Astrophysics

Astronomy

2

Molecular Data, Molecular Processes, Radiation Mechanisms: Thermal

Scientific paper

In this work, we calculate the thermal contribution to the rate coefficients for the processes of photodissociation of H2 and HD molecules. A comparison between direct and indirect rate coefficients is reported for molecular hydrogen. The rate coefficients are calculated including all vibrational levels of both molecules. Interpolation expressions for all processes are provided as a function of temperature. The resulting total rates for these processes are contextualized by direct numerical calculations based on a standard chemical network for the primordial universe.

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