Abstract
We report angle-resolved measurements of vi=0 → vf=1 vibrational transitions in Na2–He collisions at an energy of 90 meV. The agreement with calculated cross sections using an ab initio surface is good, both in the angular variation of the cross section as well as with respect to its magnitude relative to the vibrationally elastic process. The calculated (vi=0, ji=0) → (vf=1, jf ) differential cross sections are discussed in some more detail. They show structure, in addition to the rainbow oscillations, related to the fact that the vibrational transition probability vanishes for a specific approach angle.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 11:09 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 10:05 a.m.) |
Issued | 39 years, 7 months ago (Jan. 15, 1986) |
Published | 39 years, 7 months ago (Jan. 15, 1986) |
Published Print | 39 years, 7 months ago (Jan. 15, 1986) |
@article{Gottwald_1986, title={Angularly resolved vibrational excitation in Na2–He collisions}, volume={84}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.450573}, DOI={10.1063/1.450573}, number={2}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Gottwald, E. and Mattheus, A. and Bergmann, K. and Schinke, R.}, year={1986}, month=jan, pages={756–763} }