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The satellite structure due to the configuration interaction (CI) and shakeup process from 6s to 7s has been studied in the 4d, 5s and 5p photoelectron spectra of Cs and Ba. Spectra have been compared with each other and with the results of multiconfiguration Dirac-Fock calculations. Theoretically determined total intensities of CI satellites, shakeup probabilities and energies have been found to be in good general agreement with experiment.
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Mäntykenttä et al. (1992) studied this question.
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