Phys. Rev. A 65, 012708 (2001) [7 pages]

Theoretical study of orientation effects in multiple ionization of molecules by fast ion impact

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Z. Kaliman and N. Orlić
Faculty of Philosophy, University of Rijeka, 51000 Rijeka, Croatia

N. M. Kabachnik * and H. O. Lutz
Fakultät für Physik, Universität Bielefeld, D-33615 Bielefeld, Germany

Received 11 July 2001; published 14 December 2001

The dependence of multiple ionization cross section on the orientation of the molecular axis in collisions of fast ions with diatomic and linear triatomic molecules is studied theoretically. The ionization process is described within the statistical energy deposition model. The energy transferred in the collision is calculated within the unitary-convolution approximation by Schiwietz and Grande. The impact-velocity dependence of the orientation effect as well as its dependence on the molecular properties are studied.


©2001 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.65.012708
DOI: 10.1103/PhysRevA.65.012708
PACS: 34.50.Gb

* On leave from the Institute of Nuclear Physics, Moscow State University, Moscow 119899, Russia.

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