Abstract
Abstract Higher-order corrections have been estimated for the Bethe stopping power formula. The Z1 3 correction formula of Jackson and McCarthy has been modified considering the screening owing to electrons around the projectile. Instead of Z1 4 corrections predicted by Lindhard, Z1 2 corrections have been considered as the difference between a modified Bohr formula and a modified Bethe formula. The mean excitation energy has been estimated by using the improved Bloch relation. The calculated results of stopping power are in good agreement with experimental results for various ions and targets to within a few percent for projectile energy E ≥ 1 MeV/amu and several to 10% for E < 1 MeV/amu.
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