Double-excited narrow autoionization states of ytterbium atom |
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| Authors: | G.I. Bekov E.P. Vidolova-Angelova L.N. Ivanov V.S. Letokhov V.I. Mishin |
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| Affiliation: | Institute of Spectroscopy, Academy of Sciences USSR, Troitzk, Moscow Region, 142092, USSR |
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| Abstract: | We report the results of theoretical and experimental research of double-excited narrow autoionization states of the ytterbium atom near the ionization limit. The energy of autoionization states of the 5d2, 6p2, 5d6p and 7s6p configurations was calculated. Perturbation theory with a model zero-order approximation was used in this calculation. The autoionization states of the 7s6p configuration were experimentally detected by using the method of multistep laser excitation and ionization of atoms. |
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