Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Regular Articles
Isotope Effect on Charge Transfer Cross Sections of Slow 7Li+ Ions in Collisions with H2, HD, and D2 Molecules
Toshio KUSAKABEHiroyuki TAWARAHiroyuki A. SAKAUE
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2013 Volume 8 Pages 2401100

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Abstract

Charge transfer cross sections of 7Li+ ions in collisions with H2, HD, and D2 molecules have been measured in the energy range from 1.4 to 4.0 keV using the growth rate method. Significant differences in the charge transfer cross sections between collisions of 7Li+ ions with H2 and HD, and with H2 and D2 molecules, the socalled target isotope effect, are observed at collision energies from 1.4 to 2.4 keV. The observed charge transfer cross section ratios of σ (HD)/σ (H2) and σ (D2)/σ (H2) are found to be approximately 0.7 at 1.4 keV. They are gradually increasing, and finally approaching unity at energies above 2.4 keV.

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© 2013 by The Japan Society of Plasma Science and Nuclear Fusion Research
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