| Issue |
A&A
Volume 587, March 2016
|
|
|---|---|---|
| Article Number | A107 | |
| Number of page(s) | 9 | |
| Section | Atomic, molecular, and nuclear data | |
| DOI | https://doi.org/10.1051/0004-6361/201527669 | |
| Published online | 26 February 2016 | |
Rates of E1, E2, M1, and M2 transitions in Ni II⋆
School of Mathematics and Physics, Queen’s
University, Belfast,
BT7 1NN, Northern
Ireland
e-mail: a.hibbert@qub.ac.uk
Received: 30 October 2015
Accepted: 15 December 2015
Aims. We present rates for all E1, E2, M1, and M2 transitions among the 295 fine-structure levels of the configurations 3d9, 3d84s, 3d74s2, 3d84p, and 3d74s4p, determined through an extensive configuration interaction calculation.
Methods. The CIV3 code developed by Hibbert and coworkers is used to determine for these levels configuration interaction wave functions with relativistic effects introduced through the Breit-Pauli approximation.
Results. Two different sets of calculations have been undertaken with different 3d and 4d functions to ascertain the effect of such variation. The main body of the text includes a representative selection of data, chosen so that key points can be discussed. Some analysis to assess the accuracy of the present data has been undertaken, including comparison with earlier calculations and the more limited range of experimental determinations. The full set of transition data is given in the supplementary material as it is very extensive.
Conclusions. We believe that the present transition data are the best currently available.
Key words: atomic data / atomic processes
Full Table 4 and Tables 5−8 are only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/587/A107
© ESO, 2016
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