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Electric Dipole Transition Parameters for 5s-5p and 5p-5d Transitions in Doubly Ionized Xenon

100%
Eser S., Özdemir L.
Acta Physica Polonica A
|
2017
|
vol. 132
|
issue 4
1284-1289
EN
Using the general-purpose relativistic atomic structure package based on the fully relativistic multiconfiguration Dirac-Fock method, we have reported the electric dipole transition (E1) parameters such as wavelengths, weighted oscillator strengths, transition rates (or probabilities) and line strengths for 5s-5p and 5p-5d transitions in Xe²⁺. In calculations, the Breit interaction and quantum electrodynamic effects have been included as perturbations. The calculated values for energy levels including valence and core-valence correlation have been compared with other available experimental and theoretical values in literature. Our transition results can provide useful data for, in particular, experimental works in future.
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Autoionization Rates for Sodium- and Magnesium-Like Tungsten and Gold

100%
Günday Konan G., Özdemir L.
Acta Physica Polonica A
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2017
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vol. 132
|
issue 4
1290-1293
EN
The autoionization process has an important role in many areas such as satellite line formation, inner-shell ionization, and diagnostics of astrophysical and fusion plasmas. We have here reported autoionization rates for some levels of Na-like tungsten (W⁶³⁺) and gold (Au⁶⁸⁺), and Mg-like tungsten (W⁶²⁺) and gold (Au⁶⁷⁺) using AUTOSTRUCTURE atomic code. In calculations, the Breit interactions, quantum electrodynamics and configuration interaction effects have been considered. The results obtained for tungsten ions have been compared with other available results. Also new results for gold ions have been presented.
3
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Energies and Lifetimes for Some Excited Levels in La I

100%
Karaçoban B., Özdemir L.
Acta Physica Polonica A
|
2008
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vol. 113
|
issue 6
1609-1618
EN
We calculated relativistic energies and Landéfactors for 5d6s², 5d²6s, 5d³, 5d6s7s, 4f6s6p, 5d6s6p, 5d²6p, and 4f5d6s levels in neutral lanthanum (Z=57). We also obtained electric dipole transition energies and lifetimes for some excited levels. The calculations are based upon the multiconfiguration Hartree-Fock method within the framework Breit-Pauli relativistic corrections. Moreover, the results obtained were compared with other calculations and experiments.
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