Argon photoion spectra have been obtained for the first time in coincidence with K-LL and K-LM Auger electrons, as a function of photon energy. The simplified charge distributions which result exhibit a much more pronounced photon-energy dependence than do the more complicated noncoincident spectra. In the near-K-threshold region, Rydberg shakeoff of np levels, populated by resonant excitation of K electrons, occurs with significant probability, as do double-Auger processes and recapture of the K photoelectron through postcollision interaction.
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Copyright American Physical Society, used with permission
Levin, J. C.,
Short, R. T.,
Sellin, I. A.,
Lindle, D. W.
Argon-photoion–Auger-electron Coincidence Measurements Following K-shell Excitation by Synchrotron Radiation.
Physical Review Letters, 65(8),
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