Abstract

The spectra of highly-charged ions produced by laser irradiation on flat targets at about 5 × 1014 W cm-2 are recorded in the range from 0.60 nm to 0.95 nm (6 Å to 9.5 Å) by means of two spectrographs (a flat ADP crystal and a Johann, SiO2 crystal spectrograph). The identification of the lines is supported by calculations of energies and transition probabilities in the relativistic parametric potential model. New identifications in several spectra of iron (Fe XXIII to Fe XXI), sodium-like strontium, Sr XXVIII, magnesium-like indium, In XXXVIII, and cobalt-like sarnarium, Sm XXXVI, are given. In the case of Fe XXIII, relativistic and non-relativistic (Cowan) ab initio, calculations are compared.

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