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外文期刊>Physical Review, A
>Polarization of Lyman-alpha emission in proton-hydrogen collisions studied using a semiclassical two-center convergent close-coupling approach
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Polarization of Lyman-alpha emission in proton-hydrogen collisions studied using a semiclassical two-center convergent close-coupling approach
The semiclassical convergent close-coupling approach to ion-atom collisions has been extended to include electron-transfer channels. The approach has been applied to study the excitation and the electron-capture processes in proton-hydrogen collisions. The integral alignment parameter A(20) for polarization of Lyman-alpha emission and the cross sections for excitation and electron-capture into the lowest excited states have been calculated for a wide range of the proton impact energies from 1 keV to 1MeV. The results are in good agreement with experimental measurements.
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