Possible rearrangement processes in L-shell ionisation of atoms by heavy ions

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Abstract

The authors investigate the possibility of collision-induced transitions of a vacancy between the L subshells of atoms, when the vacancy is created by direct ionisation at heavy-ion impact. A simple model with a two-step mechanism for the production and rearrangement of a vacancy is presented. The success of this model indicates that intra-shell excitations (de-excitations) during the collision are probably responsible for the previously observed large discrepancies between the theory and experiment in the L-shell ionisation of gold by carbon, nitrogen and oxygen ions.

Original languageEnglish
Article number005
JournalJournal of Physics B: Atomic and Molecular Physics
Volume14
Issue number7
DOIs
Publication statusPublished - 1981

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heavy ions
ionization
atoms
collisions
ion impact
nitrogen ions
oxygen ions
excitation
gold
carbon
ions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Possible rearrangement processes in L-shell ionisation of atoms by heavy ions",
abstract = "The authors investigate the possibility of collision-induced transitions of a vacancy between the L subshells of atoms, when the vacancy is created by direct ionisation at heavy-ion impact. A simple model with a two-step mechanism for the production and rearrangement of a vacancy is presented. The success of this model indicates that intra-shell excitations (de-excitations) during the collision are probably responsible for the previously observed large discrepancies between the theory and experiment in the L-shell ionisation of gold by carbon, nitrogen and oxygen ions.",
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AB - The authors investigate the possibility of collision-induced transitions of a vacancy between the L subshells of atoms, when the vacancy is created by direct ionisation at heavy-ion impact. A simple model with a two-step mechanism for the production and rearrangement of a vacancy is presented. The success of this model indicates that intra-shell excitations (de-excitations) during the collision are probably responsible for the previously observed large discrepancies between the theory and experiment in the L-shell ionisation of gold by carbon, nitrogen and oxygen ions.

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