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Which outcome results when the energy of an incident electron matches a target atom's vacant electronic orbital?

A)Resonant Auger electron emission occurs
B)Characteristic X-ray production is suppressed
C)Raman scattering intensity diminishes
D)Bremsstrahlung radiation increases sharply

💡 Explanation

Resonant Auger electron emission occurs because electron capture into the vacant orbital triggers the process of an excited state that ejects an electron to reduce potential energy, therefore Auger emission predominates rather than X-ray fluorescence since core hole lifetime constraints lead to rapid de-excitation.

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