Abstract
XUV spectra of laser-produced zirconium plasmas in the 20 to 65 Å wavelength range, where 3d–4p and 3d–4f transitions dominate the observed emission, were studied experimentally and theoretically. Atomic structure calculations were performed with the Cowan and flexible atomic codes. Spectator satellite transitions, especially 3dn-14s–3dn-24s4f, where the 4s electron acts as a ‘real’ spectator, in Mn-, Fe-, Co-, Ni- and Cu-like ions have been found to play an important role. The resulting emission causes arrays resulting from 3dn–3dn4f transitions to broaden and must be included in spectral simulations in order to reproduce the overall spectral profile.
Published Version
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