When diffraction rules the stereodynamics of rotationally inelastic collisions
Abstract
Following upon our recent work on vector correlations in the Ar-NO collisions [PCCP 12, 1038 (2010)], we compare model results with close-coupling calculations for a range of channels and collision energies for the He-NO system. The striking agreement between the model and exact polarization moments indicates that the stereodynamics of rotationally inelastic atom-molecule collisions at thermal energies is governed by diffraction of matter waves from a two-dimensional repulsive core of the atom-molecule potential. Furthermore, the model polarization moments characterizing the He-NO, He-O, He-OH, and He-CaH stereodynamics are found to coalesce into a single, distinctive pattern, which can serve as a "fingerprint" to identify diffraction-driven stereodynamics in future work.
Cite
@article{arxiv.1002.1572,
title = {When diffraction rules the stereodynamics of rotationally inelastic collisions},
author = {Mikhail Lemeshko and Pablo G. Jambrina and Marcelo P. de Miranda and Bretislav Friedrich},
journal= {arXiv preprint arXiv:1002.1572},
year = {2010}
}
Comments
4 pages, 3 figures