Abstract
The energy loss of protons, passing through crystals in a random direction with an energy E ≥ 1 MeV, is due to electronic excitation and can be explained quantitatively by the Bethe-Bloch formula [1] for the average energy loss per unit path length or the electronic stopping power Sr = - dE/dx. In a channeling situation, however, small impact parameters are avoided and the Bethe-Bloch theory no longer applies.
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Dettmann, K. (1975). Stopping Power of Fast Channeled Protons in the Impact Parameter Treatment of Atomic Collisions. In: Datz, S., Appleton, B.R., Moak, C.D. (eds) Atomic Collisions in Solids. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3117-9_1
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DOI: https://doi.org/10.1007/978-1-4684-3117-9_1
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