Abstract
We study the x-ray emission following the collision of a Bi$^{83+}$ ion with a neutral Xe atom at the projectile energy 70 MeV/u. The collisional and post-collisional processes are treated separately. The probabilities of various many-electron processes at the collision are calculated within a relativistic independent electron model using the coupled-channel approach with atomic-like Dirac-Fock-Sturm orbitals. The analysis of the post-collisional processes resulting in the x-ray emission is based on the fluorescence yields, the radiation and Auger decay rates, and allows to derive intensities of the x-ray emission and compare them with experimental data. A reasonable agreement between the theoretical results and the recent experimental data is observed. The role of the relativistic effects is investigated.
Highlights
At this energy the ionization of the target is the dominant process, but the target excitation and the electron capture by the projectile ion are possible
0.8 q=0 collisions are anticipated at GSI and FAIR facilities
0.3 bution we study the x-ray emission following the collision theoretically [5]
Summary
At this energy the ionization of the target is the dominant process, but the target excitation and the electron capture by the projectile ion are possible. 0.9 study of various processes in low-energy heavy ion-atom 0.8 q=0 collisions are anticipated at GSI and FAIR facilities 0.7 q=2 stadt, Germany) [1, 2, 3] and require the corresponding theoretical calculations.
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