1994•Journal of Physics B Atomic Molecular and Optical PhysicsOpen access
Resonances in the photoionization of argon and krypton in the region of the inner-shell excited states
J. A. de Gouw, J. van Eck, A. Q. Wollrabe, J. van der Weg, H G M Heideman
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Abstract
We have observed asymmetric resonance structures in the photoionization of argon and krypton in the region of the inner-shell excited states. The 3s photoionization of argon exhibits strong resonances at the photon energies pertaining to the 2p -1 nd states, whereas the 3p photoionization contains only weak resonances. The 4s photoionization of krypton exhibits weak resonances at the photon energies pertaining to the 3d -1 np states, whereas the 4p 3/2 photoionization contains strong resonances. Apart from the shape of the resonance structures, we have also obtained information on the decay probabilities of the inner-shell excited states towards the different singly ionized states. The observed differences in decay probabilities can be qualitatively explained by considering the configuration interaction between the different states involved.
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