Anomalous two-electron auger resonance in thorium near the 5d(O5) photothreshold |
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Authors: | M Aono T-C Chiang JH Weaver DE Eastman |
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Institution: | IBM Thomas J. Watson Research Center P.O. Box 218, Yorktown Heights, NY 10598, USA |
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Abstract: | The photoexcited Auger emission line for thorium metal shows an anomalous increase in kinetic energy of ~ 1 eV as the photon energy hv is increased through the atomic-like 5d → 5f resonant excitation at hvr = 89 eV. Possible mechanisms for this anomalous behavior are discussed, and it is suggested that it can be interpreted as a two-electron resonance involving the O5P3V Auger excitation and a shake-up satellite of the core level excitation. |
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