The Radiative Association of H and D

Details The Radiative Association of H and D The Radiative Association of H and D

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...490...76s&link_type=abstract

Astrophysical Journal v.490, p.76

Astronomy and Astrophysics

Astronomy

13

Atomic Processes, Cosmology: Early Universe

Scientific paper

The formation of the deuterated hydrogen molecule HD by the radiative association of H and D is investigated. Spontaneous association and stimulated association in a blackbody radiation field are considered. For a collision temperature of 1000 K, the rate coefficient for spontaneous radiative association is 1.0 x 10-26 cm3 s-1. At the same collision temperature, the rate coefficient is enhanced by stimulated association to 1.8 x 10-26 cm3 s-1 for a radiation temperature of 10,000 K. The role of radiative association in the deuterium chemistry of the early universe is discussed.

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