Journal of the Mass Spectrometry Society of Japan
Online ISSN : 1880-4225
Print ISSN : 1340-8097
ISSN-L : 1340-8097
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Charge Transfer Cross Section for Gadolinium
Koichi OGURATakemasa SHIBATA
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1993 Volume 41 Issue 1 Pages 37-45

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Abstract
Symmetric resonance charge transfer cross sections between singly ionized gadolinium ion and the parent atom were measured in the impact energy range of 100~1000 eV. The cross sections were determined from the ratio between the number of ions produced by charge transfer and those in primary ion beam. The primary ion beam of gadolinium was produced by a laser ion source in which gadolinium atoms were ionized by resonance photoionization. The slow ions produced by charge transfer and fast primary ions were detected with Faraday cups. The obtained cross section was about 1.5×10-14cm2 at impact energy of 500 eV. The dependence of the measured cross sections on the impact energy roughly agrees with theoretical prediction.
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© 1993 by The Mass Spectrometry Society of Japan
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