Abstract
The K X-ray spectra induced by 1.5 MeV proton bombardment of Ca, Ti and Fe solid targets were recorded by means of a flat crystal spectrometer. The K β5 line intensity, the KL satellite intensities and the KMM radiative Auger emission intensities were extracted from the measured spectra. Because of self-absorption in the thick target the K absorption edge, which is situated slightly above the energy of the K β1.3 line, significantly influences the measured spectra. The importance of the absorption edge correction for accurate intensity determination of the weak lines situated near the K absorption edge is described. The relevance of including the whole K X-ray spectrum in the fitting process when determining weak line intensities is discussed.
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