Doubly and singly differential cross sections for electron emission have been calculated by means of the classical trajectory Monte Carlo method for the p+, p-, and He2++He systems at impact energies of 50 and 100 keV/amu. The calculations for the p+ and He2++He systems exhibit the capture to the continuum peak and agree in both shape and magnitude with experimental data. Analysis of the classical trajectories has helped to understand the dynamical formation of this peak. The dependence of the cross sections on the projectile charge (-1, +1, and +2) is analyzed and compared with first-order scalings. It is concluded from this analysis that the combined influence of both the projectile and target Coulomb fields prevails over all the electronic spectra. © 1989 The American Physical Society.
C. O. Reinhold and R. E. Olson, "Classical Two-center Effects In Ejected-electron Spectra From P+, P-, And He2++He Collisions At Intermediate Energies," Physical Review A, vol. 39, no. 8, pp. 3861 - 3870, American Physical Society, Jan 1989.
The definitive version is available at https://doi.org/10.1103/PhysRevA.39.3861
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01 Jan 1989