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Phys. Rev. A 54, 5031–5036 (1996)

Wake effects on the energy loss as a function of the scattering angle for thin-film-transmitted H2 + ions

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Mario M. Jakas and Néstor E. Capuj
Departamento de Física Fundamental y Experimental, Universidad de La Laguna, E-38201 La Laguna, Tenerife, Spain

Received 30 May 1996; published in the issue dated December 1996

We calculated the mean energy loss as a function of the exit angle for 100 and 400 keV/amu H2 + ions transmitted through thin carbon foils. The results showed that at 100 keV the energy loss exhibited a maximum in the forward direction as opposed to that of protons, which had a minimum at zero degree ejection angle. Our studies demonstrate that such a difference stems from the wake or polarization forces acting upon the trailing ion in the cluster. © 1996 The American Physical Society.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.54.5031
DOI:
10.1103/PhysRevA.54.5031
PACS:
34.50.Bw, 36.40.-c, 78.20.Bh, 79.20.Rf