General expression for the dielectronic recombination cross section of polarized ions with polarized electrons

A general expression for the differential cross section of dielectronic recombination (DR) of polarized electrons and polarized ions is derived by using usual atomic theory methods and is represented in the form of multiple expansions over spherical tensors. The ways of the application of the general expressions suitable for the specific experimental conditions are outlined by deriving asymmetry parameters of angular distribution of DR radiation in the case of nonpolarized and polarized ions and electrons.Comment: 4 page

THEORETICAL STUDY OF FAST ELECTRON-IMPACT IONIZATION OF POLARIZED ATOMS *

In the first Born approximation, the general expression for ionization cross-section of polarized atoms by fast non-polarized electrons is derived by using the methods of the theory of an atom adapted for polarization and the similarity between the Born and photoionization operators. Special cases of the general expression for description of the angular distribution of the slower emitted electron and for the alignment of ionized atoms are obtained in the case of polarized and non-polarized atoms, as well as the magnetic dichroism of the total ionization cross-section of polarized atoms

PROPERTIES OF AUGER ELECTRONS FOLLOWING IONIZATION

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