Photoionization Experiments with an Atomic Beam of Tungsten in the Region of the 5{ital p} and 4{ital f} excitation
Journal Article
·
· Physical Review Letters
- Institut fuer Strahlungs- und Kernphysik, Technische Universitaet Berlin, D-10623 Berlin (Germany)
An atomic beam of tungsten and photoexcitation with monochromatized synchrotron radiation were used to measure the first photoion yield spectra of W{sup +} and W{sup 2+} in the region of 30--60 eV. The comparison with calculated photoionization cross sections shows that the resonance structure can be explained by discrete 5{ital p}{r_arrow}5{ital d}, 6{ital s} and 4{ital f}{r_arrow}5{ital d} transitions if one takes into account the thermal population of the initial states 5{ital d}{sup 4}6{ital s}{sup 2 5}{ital D}{sub 0,1,2,3,4} and 5{ital d}{sup 5}6{ital s} {sup 7}{ital S}{sub 3}.
- OSTI ID:
- 116005
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 75; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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