Abstract
The spectra of the ironlike ions Y XIV, Zr XV, Nb XVI, Mo XVII, Ru XIX, Rh XX, Pd XXI and Ag XXII emitted by low inductance vacuum sparks have been observed in the range 25-90 Å. More than 440 lines have been identified for the first time as 3p63d8-3p53d9 and 3p63d8-3p63d74p transitions. Three parametric interpretations of the whole isolectronic sequence of energy levels have been performed for 3d8, 3p53d9 and 3d74p respectively. This has led to an accurate determination of scaling factors for the Slater and spin-orbit integrals calculated by the Hartree-Fock method. Predicted wavelengths and line strengths are given for Sr XIII.
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