Abstract
We have studied the inner-shell excited states of argon below the 2p thresholds for electron-impact excitation in the range of the incident energy . We carried this out through the measurement of the electrons emitted during the decay of the states. The corresponding satellite peaks in the spectra of the emitted electrons were separated from the normal (diagram) LMM Auger peaks by a special evaluating process. We observed the satellite peaks coming from the , and transitions at all applied incident energies. The intensity of the satellite peaks increased approaching the ionization threshold (). Nevertheless in the range - 1700 eV we could identify more satellites due to the lower continuous background and the smaller post-collision interaction effects.
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