Abstract
We study electron removal processes in collisions of bare and dressed doubly charged ions with neon atoms in the 20 keV/u to 1 MeV/u impact energy regime. The many-electron problem is represented by a single mean field, which in the case of dressed-ion impact includes the projectile electrons. Moreover, the same basis is used to propagate all active orbitals thereby ensuring orthogonality at all times and allowing for a final-state analysis in terms of standard Slater determinantal wave functions. The same approach was used in a recent work for B2+ -Ne collisions [Phys. Rev. A 88 012712], in which we examined the role of the projectile electrons for target-recoil-charge-state production. The present study expands on that work by considering additional collision channels and comparing results of equicharged dressed and bare ions in order to shed more light on the role of the projectile electrons.
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