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- Title
Effect of the nuclear charge of a fast structural ion on its internal effective stopping in collisions with atoms.
- Authors
Gusarevich, E.
- Abstract
The energy losses of fast structural ions in collisions with atoms have been considered in the eikonal approximation. The structural ions are ions consisting of a nucleus and a certain number of electrons bound to it. The effect of nuclear charge Z of the ion on its effective deceleration κ (energy losses associated with excitation of only intrinsic ion shells) has been analyzed. It is shown that the allowance for the interaction of an atom with the ion nucleus for Z Z/ v > 1, where Z is the charge of the atomic nucleus and v is the velocity of collisions in atomic units, considerably affects the value of κ, which generally necessitates taking into account nonperturbatively the effect of both charges Z and Z on κ.
- Subjects
ION-atom collisions; NUCLEAR charge; EIKONAL equation; APPROXIMATION theory; ACCELERATION (Mechanics)
- Publication
Journal of Experimental & Theoretical Physics, 2017, Vol 124, Issue 2, p196
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776117010137