Near-threshold structures in electron-collision-induced alignment of core-excited atomic statesстатья
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Дата последнего поиска статьи во внешних источниках: 20 сентября 2013 г.
Аннотация:Structures, likely due to negative-ion resonances, are predicted in the electron-impact-induced alignment of the Na*(2p(5)3s(2))P-2(3/2) autoionizing state near the excitation threshold. The predictions are supported by measurements of the alignment via the anisotropic emission of the autoionization electrons in the impact energy range from threshold to 80 eV. Our R-matrix (close-coupling) calculations successfully reproduce the broad-scale energy dependence of the alignment that, above the resonance region, is found to be similar to that for the valence-excited (2p(5)3s)P-1(1) state in Ne. [S1050-2947(99)51109-8].