Mainz 2017 – scientific programme
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A: Fachverband Atomphysik
A 20: Poster Session I
A 20.43: Poster
Tuesday, March 7, 2017, 17:00–19:00, P OG1
Precision description of the atomic structure. Example of the odd configuration system of La I — •Jerzy Dembczyński1, Magdalena Elantkowska2, and Jarosław Ruczkowski1 — 1Institute of Control and Information Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznań, Poland — 2Institute of Materials Research and Quantum Engineering, Poznan University of Technology, Piotrowo 3, 60-965 Poznań, Poland
We developed the method, which allows to analyze a complex electronic system composed of the configuration of up to four open shells, taking into account all electromagnetic interactions expected in an atom, in accordance with the second-order perturbation theory [1,2].
In order to show the effectiveness of our method, we decided to choose the odd configuration system of lanthanum atom, with a large amount of new experimental data [3].
The hyperfine structure constants were calculated using the fine structure eigenvectors and adjusting radial integrals in a least-squares procedure which compare the calculated constants with the experimental values. Moreover, the values of energy for the levels up to now unidentified and their hyperfine structure constants were predicted.
This work was supported by the Research Projects of the Polish Ministry of Sciences and Higher Education: 04/45/DSPB/0148
[1] J. Dembczyński et al., J Phys B 43, 06500 (2010)
[2] M. Elantkowska, J. Ruczkowski, J. Dembczyński, Eur Phys J Plus 130, 14 (2015)
[3] Gü. Başar et al., J Quant Spectrosc Radiat Transf 187, 505 (2017)