X-ray emission in atomic transitions to M shells of Hf, Ta, W, Pt and Au

Abstract

The x-ray emission in atomic decays to M-shell of Hf, Ta, W, Pt and Au induced by electrons was studied. To this purpose, M x-ray spectra were acquired with a wavelength dispersive spectrometer, and processed by a parameter refinement method previously developed. A large set of atomic parameters corresponding to diagram transitions, such as characteristic energies, relative transition probabilities, and natural linewidths was determined. In addition, energy shifts and relative intensities of satellite emissions associated with M 5 N 6,7 and M 4 N 6 diagram lines, were assessed. The results obtained are compared with data from the literature, when available.