Abstract
Single and double electron loss and capture cross sections have been measured for He 0 , He 1+ and He 2+ ions passing through a Zn vapor target at energies ranging from 0.8 to 2.0 MeV. Uncertainties of the cross sections were improved by applying the Rutherford scattering method for the determination of the target thickness. When combined with other previous experimental data, obtained cross sections support the oscillatory dependence on target atomic number. In addition, the equilibrium mean charges of He ions were compared for solid and gas phases of the Zn element, but no density effect has been observed.
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