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ABSTRACT

Green 1974

Green, S., 1974: Rotational excitation of HD by collisions with He. Physica, 76, 609-615, doi:10.1016/0031-8914(74)90161-X.

It is shown that the interaction potential recently derived for H2-He is also consistent with sound absorption and NMR spin-lattice relaxation measurements on HD. Based on this potential, collision-induced pressure broadening coefficients and also rate constants for rotational excitation are predicted. The latter may be important for understanding cooling processes in the interstellar medium.

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