The XUV spectrum of Co i-like Zr was observed with a low-inductance vacuum spark by using a 10.7-m grazing-incidence spectrograph. Thirty-eight lines of the 3d9–3d84f transition and thirty levels of the 3d84f configuration in Zr xiv were identified for the first time, to our knowledge. The identifications were made with the aid of theoretical calculations based on the Slater–Condon theory of atomic structure. Observed and theoretical spectra and energy levels are displayed in the figures. In addition, energy levels and wavelengths with calculated weighted oscillator strengths are presented in the tables.
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Levels of 3p53d10 in LS coupling are included for comparison. Predicted energies are given in parentheses.
The first percentage corresponds to the designation of the level.
Ref. 15.
Table 3
Predicted Energy Levels with J ≧ 9/2 (in 103 cm−1) and Designations in the JcK-Coupling Scheme for the 3d84f Configuration in Zr xiv
Levels of 3p53d10 in LS coupling are included for comparison. Predicted energies are given in parentheses.
The first percentage corresponds to the designation of the level.
Ref. 15.
Table 3
Predicted Energy Levels with J ≧ 9/2 (in 103 cm−1) and Designations in the JcK-Coupling Scheme for the 3d84f Configuration in Zr xiv