Abstract

We have calculated the polarization properties of dielectronic satellite lines in Be-like Mg and Fe ions excited by an electron beam. Polarization-dependent synthetic spectra have been computed associated with two polarization states: parallel and perpendicular to the electron beam. We will discuss the dependence of the polarization-dependent spectra on the characteristics of the electron beam and on the nuclear charge of the ion. These results are relevant to diagnostics applications of x-ray line polarization spectroscopy in non-equilibrium plasmas whose electron distribution functions can show anisotropy.

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