Abstract
The characteristic X-ray spectra of cobalt (Z=27) have been obtained as a function of energy in a range from 0.7 to 2.0 MeV amu-1 for incident protons, deuterons and 3He ions. K X-ray production cross sections sigma x were measured by a comparison with the simultaneously measured Rutherford scattering cross section. Uncertainties inherent in this method are minimized to approximately 8%. For protons, the measurement was extended at energies up to 3.0 MeV. The results are compared with the predictions of the perturbed-stationary-state with energy-loss, Coulomb deflection, and relativistic corrections (ECPSSR) ionization theory and first Born approximation. The values obtained for the ratios K beta /K alpha and sigma x are tabulated. Comparisons of the authors' data with those from other measurements in earlier works are discussed.
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