Charge-exchange straggling in equilibrium

A general expression has been derived that allows computation of charge-exchange straggling of swift heavy ions when many charge states are involved. Charge exchange is found to hinge on the variation of the stopping cross section with the ion charge and on the transient behavior of the charge popul...

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Bibliographic Details
Published inNuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 269; no. 9; pp. 804 - 809
Main Authors Sigmund, P., Osmani, O., Schinner, A.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2011
Subjects
Carbon
Charge
Charge equilibrium
Charge exchange
Cross sections (physics)
Hinges
Illustrations
Ion charge
Mathematical analysis
Stopping power
Straggling
Sulfur
Swift heavy ions
Swift heavy ions
Stopping power
Straggling
Charge exchange
Charge equilibrium
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Summary:A general expression has been derived that allows computation of charge-exchange straggling of swift heavy ions when many charge states are involved. Charge exchange is found to hinge on the variation of the stopping cross section with the ion charge and on the transient behavior of the charge population as a function of traveled pathlength. These effects appear factorized in the final formula. The focus of this paper is on straggling in charge equilibrium. The case of MeV/u sulfur ions in carbon has been used as an illustration. Charge-exchange straggling is found to be dominating straggling over a considerable range of beam energies.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2010.11.094