| Sumario: | The longitudinal momentum distributions for the recoil ion, the electron and the projectile momentum transfer in single ionization of He by 3.6 MeV amu-1 Ni24+ impact are calculated using the cdw-eis method within the independent electron approximation. Results are compared with the measurements and CTMC calculations of Moshammer et al (1994). it is found that the cdw-ejs theory explains qualitatively the observed enhancement of the electron distribution in the forward direction, and the enhancement of the recoil-ion distribution in the backward direction. Our calculations show discrepancies with the measurement regarding the positions for the maxima of these distributions. A calculated electron energy spectrum is in good agreement with the measurement. © 1995 IOP Publishing Ltd.
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