Rotational excitation of HD molecules by He atoms

Details Rotational excitation of HD molecules by He atoms Rotational excitation of HD molecules by He atoms

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...343.1005r&link_type=abstract

Astronomy and Astrophysics, v.343, p.1005-1008 (1999)

Astronomy and Astrophysics

Astrophysics

12

Molecular Data, Molecular Processes, Ism: Molecules

Scientific paper

We present rate coefficients for rotational transitions induced in collisions between HD and He. Rotational levels and kinetic temperatures T <= 1000 K are considered. The interaction potential surface calculated by Muchnick & Russek (\cite{muchnick:russek}) has been used, together with the quantal coupled-channel method for calculating the cross-sections. Very good agreement with previous calculations by Schaefer (\cite{schaefer}) is obtained. The present work goes beyond the latter in that collision rates are calculated for all available rotational levels below the first excited vibrational level.

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