The photoelectron angular-distribution β parameter in the region of the 3s-1 4p resonance in Ar |
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| Authors: | MYa Amusia AS Kheifets |
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| Institution: | A.F. Ioffe Physico-Technical Institute, Leningrad, USSR |
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| Abstract: | The asymmetry parameter of the 3p photoelectrons in the region of the 3s-1 4p resonance in argon is calculated. It is demonstrated that going beyond the random phase approximation frame by inclusion of the “two-electron—two-hole” excitation gives results which are in good agreement with experiment. |
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