Abstract
A critical analysis of channeled-ion energy-loss experiments is presented with the goal of commenting on the presence of the Barkas effect of ${Z}_{1}^{3}$ corrections to the stopping power. Accurate charge-density values are obtained for silicon and used to evaluate Bloch and straggling effects in the data. The remaining contributions to the data show a clear ${Z}_{1}^{3}$ dependence that can be explained with an electron-gas model for the Barkas effect.
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Critical Analysis of the Charge-State Dependence of the Energy Loss of Channeled Ions
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