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Transitions Within the n = 4 Complex of Kr VII Obtained from a Theta-Pinch Light Source

Resumen

The spectrum of six times ionized krypton (Kr VII) has been observed in the 430-1000 A wavelength range and 23 lines have been identified as transitions between levels of the 4s2, AsAd. Ap2 and AsAp configurations. For 13 of the lines the classification is new. Revised values are proposed for three levels while for the rest the uncertainty in the existing level values has been considerably decreased. The results are supported by isoelectronic comparisons along the Zn 1 isoelectronic sequence. The configurations are interpreted by fitting the theoretical energy expressions to the observed energy levels using least- squares techniques. The parameter values are compared with results from Hartree-Fock calculations.

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óptica
krypton (VII)
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