Abstract
A grazing-incidence spectrometer for the wavelength range λ≦13 nm has been built and tested with foil-excited fast oxygen ions. The new apparatus has been used to study the variation of the 2s 3p 3 P 01 level lifetime in the Be isoelectronic sequence by observation of the intercombination decay to the 2s 2 1 S 0 ground state. The experimental problems are described. The results agree with only some of the theoretical predictions.
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Möller, G., Träbert, E. & Heckmann, P.H. Beam-foil spectroscopy in the 3–6 nm soft-X-ray range. Z Phys D - Atoms, Molecules and Clusters 9, 5–14 (1988). https://doi.org/10.1007/BF01384442
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DOI: https://doi.org/10.1007/BF01384442