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Int. J. Mol. Sci. 2002, 3(3), 115-131; doi:10.3390/i3030115

Electron Capture in Collisions of Slow Highly Charged Ions with an Atom and a Molecule: Processes and Fragmentation Dynamics

Centre Interdisciplinaire de Recherche Ions Lasers, Unité Mixte CEA-CNRS-ISMRA-Université de Caen Basse Normandie, 6 Bd du Maréchal Juin, F-14050 Caen Cedex, France
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Received: 9 October 2001 / Accepted: 22 November 2001 / Published: 28 March 2002
(This article belongs to the Special Issue Charge Transfer in Ionic and Molecular Systems)
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Abstract

Processes involved in slow collisions between highly charged ions (HCI) and neutral targets are presented. First, the mechanisms responsible for double electron capture are discussed. We show that, while the electron-nucleus interaction is expected to be dominant at projectile velocities of about 0.5 a.u., the electron-electron interaction plays a decisive role during the collision and gains importance when the projectile velocity decreases. This interaction has also to be invoked in the capture of core electrons by HCI. Finally, the molecular fragmentation of H2 following the impact of HCI is studied.
Keywords: Electron capture; highly charged ions; neutral target; electron-electron interaction; molecular fragmentation Electron capture; highly charged ions; neutral target; electron-electron interaction; molecular fragmentation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Frémont, F.; Laurent, G.; Rangama, J.; Sobocinski, P.; Tarisien, M.; Adoui, L.; Cassimi, A.; Chesnel, J.-Y.; Fléchard, X.; Hennecart, D.; Husson, X. Electron Capture in Collisions of Slow Highly Charged Ions with an Atom and a Molecule: Processes and Fragmentation Dynamics. Int. J. Mol. Sci. 2002, 3, 115-131.

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