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- Wehlitz, R, et al.
(författare)
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Photon energy dependence of ionization-excitation in helium at medium energies
- 1997
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Ingår i: Journal of Physics B: Atomic, Molecular and Optical Physics. - 0953-4075. ; 30:2, s. L51-L58
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Tidskriftsartikel (refereegranskat)abstract
- We have measured the photoionization-excitation-to-photoionization ratio for He(+)nl (n = 2-6) at several photon energies from 90 to 900 eV. By extrapolating these values we could determine the asymptotic high-energy ratios for He(+)nl (n = 2-5) which agree with theoretical predictions. We show that the satellite-to-main-line ratios are consistent with experimental double-to-single photoionization ratios and agree well with recent measurements.
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