Dielectronic recombination into Rydberg levels of lithiumlike titanium
To characterize line formation near threshold for electron-impact excitation, dielectronic capture into high-n levels in lithiumlike Ti19+ ions has been studied with high-resolution x-ray spectroscopy on the Livermore electron beam ion trap. The process is shown to result in satellite lines which are virtually indistinguishable from their dipole-allowed heliumlike parent lines. High-n satellite lines are absent from dipole-forbidden heliumlike lines.
KeywordsExcitation Function Direct Excitation Radiative Rate Satellite Line Dielectronic Recombination
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