Research Papers in Physics and Astronomy

 

Date of this Version

10-1985

Comments

Published in Physical Review A Volume 32, Number 4, October 1985. Copyright © American Physical Society; used by permission.

Abstract

Cross sections for production of positive and negative charge for 10-300-keV/u He2+ ions on He, Ne, Ar, Kr, H2, N2, CO, O2, CH4, N2O, and C02 were measured by the transverse-field method. Single- and double-electron-capture cross sections at 5-150 keV/u for the same targets were measured by the method of deflection of different charge-state components of the beam after passing through a known length of target gas. A secondary-emission detector was used to detect the neutral component of the beam. A small least-squares adjustment of the cross sections was made to satisfy the equation σ+- + σ21 + 2σ20 which follows from conservation of charge.

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