Rotational excitation of hydrogen molecules by hydrogen atoms

Details Rotational excitation of hydrogen molecules by hydrogen atoms Rotational excitation of hydrogen molecules by hydrogen atoms

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.288..627f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 288, Issue 3, pp. 627-630.

Astronomy and Astrophysics

Astronomy

13

Atomic Processes, Molecular Processes, Shock Waves, Ism: Clouds.

Scientific paper

The contribution of collisions with hydrogen atoms to the rotational excitation of hydrogen molecules may be expected to be important in partially dissociated molecular gas. We have computed cross-sections for collisionally induced transitions between low-lying rotational levels in the vibrational ground state of H_2. The quantum mechanical coupled channels method was employed, in association with two recent and independent calculations of the H-H_2 interaction potential. The results are compared and discussed, and recommended values of the corresponding rate coefficients are tabulated.

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