Inter-electronic interaction effects on the polarization of recombination photons

Details Inter-electronic interaction effects on the polarization of recombination photons Inter-electronic interaction effects on the polarization of recombination photons

2011-06-24

arxiv.org/abs/1106.4896v1

Phys. Rev. A 83, 062710 (2011)

Physics

Atomic Physics

Scientific paper

A theoretical investigation of the radiative capture of an electron into a bound state of heavy, hydrogen-like ion is presented. Special attention is paid to the question of how the linear polarization of the emitted radiation is affected by the inter-electronic interaction effects. An analysis of these effects is performed within both, the screening-potential approximation and the perturbation theory that treats rigorously the electron correlations to the first order in the parameter 1/Z. By making use of these two approaches, detailed calculations are performed for relativistic collisions of hydrogen-like europium Eu^{62+}, bismuth Bi^{82+} and uranium U^{91+} ions with free electron and low-Z atomic targets. Results of the calculations indicate that the two-electron effects may significantly influence the polarization properties of the recombination x-rays; the effect which can be observed by the present-day polarization detectors.

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