Reference : Hollow-ion formation in microcapillaries
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/17420
Hollow-ion formation in microcapillaries
English
Tokesi, K. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
Wirtz, Ludger mailto [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
Lemell, C. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
Burgdorfer, J. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
2001
Physical Review. A
American Physical Society
64
4
Yes
International
1050-2947
1094-1622
College Park
MD
[en] Transmission of highly charged ions through microcapillaries is studied theoretically by a classical trajectory simulation. The interaction of highly charged ions with the internal surface of the capillary is treated within the framework of dielectric-response theory. The simulation is based on the classical over-the-barrier model modified for open cylindrical surfaces. The multielectron evolution and relaxation is taken into account as a stochastic event sequence. We consider N6+ and Ne10+ with an energy of 2.1 keV/amu passing through a metallic microcapillary of Ni. We analyze the distance of closest approach. the angular distribution, and the distribution of the mean occupation numbers of n shells of highly charged ions. We find the resulting charge state distribution of transmitted projectiles in good agreement with recent measurements. Implications for nanotube targets will be discussed.
http://hdl.handle.net/10993/17420
10.1103/PhysRevA.64.042902

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