Abstract

In this work we present carbon K-Auger electron spectra from amorphous carbon foils induced by fast heavy ions and by electrons. The high-energy tail of the experimentally determined Auger structure shows a clear projectile-charge dependence. Model electron-spectra for the Auger decay of the K vacancy, calculated from the known density of states, are in good agreement with electron induced Auger spectra. The experimental data for heavy ions could be fitted with the model results by using the mean electron temperature in the track center as the only free parameter. These temperatures are presented and discussed in comparison with theoretical estimates for the electron temperature in the thermal spike.

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