Auger transitions are autoionizing transitions from the highly excited states of atoms containing vacancies and are the fundamental process in spontaneous deexcitation of atoms having a vacancy, excluding the deepest K- and L-vacancies in heavy atoms, where the total probability of an Auger decay of a state is less than that of a radiative decay. With vacancies in light atoms and in the subvalent shells of heavy atoms (when the transition energy is less than 5–10 keV [9, 259]) Auger transitions become the dominant channel for spontaneous deexcitation of the atoms.
KeywordsAuger Electron Auger Spectrum Spectroscopic Factor Open Shell Auger Transition
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