Abstract
The stopping cross section of solids for swift ions may be deduced either from the energy loss in a transmission experiment or from the width of a Rutherford backscattering (RBS) spectrum. The two parts of this article discuss the advantages and the limitations of these complementary measuring methods. This first part deals with RBS measurements using various target elements and protons or deuterons in the energy range around the stopping cross section maximum (30 keV ≦ E ≦ 600 keV). The peculiarities of measurements using light elements (like carbon) and heavy elements (like gold) are discussed. Realistic estimates are given for the accuracy, which may be achieved in this kind of stopping cross section measurements (2–3% for a series of measurements using one well characterized target).
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