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By measuring the range deficit of 955-MeV/u ²³⁸U ions in copper, the authors have identified very large deviations of the stopping power from the standard Bethe-Bloch formula. They show that this discrepancy can be accounted for by higher-order terms in the Mott cross section and by the relativistic Bloch correction. The significance of this result with regard to two high-energy astrophysics experiments is discussed.
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Ahlen et al. (1983) studied this question.
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