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THEORETICAL WAVELENGTHS AND TRANSITION PROBABILITIES FOR THE 3d9–3d84p AND 3d84s–3d84p TRANSITION ARRAYS IN Ni II

✍ Scribed by S. FRITZSCHE; C.Z. DONG; G. GAIGALAS

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
117 KB
Volume
76
Category
Article
ISSN
0092-640X

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✦ Synopsis

A complete tabulation of theoretical electric-dipole (E1) emission lines is presented for transitions between the 3d 9 -3d 8 4 p and the 3d 8 4s-3d 8 4 p configurations of Ni II. For these configurations with an open d shell, we applied extensive multiconfiguration Dirac-Fock wave functions to compute excitation energies, transition probabilities, and lifetimes. Our ab initio data will be compared with available measurements and other calculations, where the overall agreement is seen to be satisfactory. Experimental data are still very scarce for these two transition arrays. Therefore, the present data set not only supports the evaluation of the currently available data base, but may also help to identify or calibrate additional (less intense and intercombination) lines in the low-lying spectrum of Ni II.

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