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Berrah, N; Bozek, J D; Wills, A A; Turri, G; Zhou, H L; Manson, S T; Akerman, G; Rude, B; Gibson, N D; Walter, C W; VoKy, L; Hibbert, A; Ferguson, S M
Physical review letters, 12/2001, Letnik: 87, Številka: 25Journal Article
An experimental K-shell photodetachment study of Li(-) giving rise to doubly photoionized Li(+) ions has been carried out at the Advanced Light Source, using a collinear photon-ion beam apparatus. The experiment reveals dramatic structure, differing substantially both qualitatively and quantitatively from the corresponding processes above the 1s ionization threshold in Li and Li(+), as predicted by our enhanced R-matrix calculation. The experimental/theoretical comparison shows good agreement over some of the photon energy range, and also reveals some puzzling discrepancies.
