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Article Dans Une Revue Physica Scripta Année : 2023

Improving the spectroscopic knowledge of neutral Neodymium

Résumé

Laser cooling and trapping of lanthanides has opened the possibility to carry out new experiments with ultracold dipolar gases, for example for quantum simulation of solid state physics. To identify new suitable candidates for lasercooling, it is important to have a precise spectroscopic knowledge of the atom under consideration. Along this direction, we present here a detailed modeling of the energy levels of neutral neodymium (Nd), an element belonging to the left part of the lanthanide row, which has not yet been considered for laser-cooling. Using the semi-empirical method implemented in the Cowan suite of codes, we are in particular able to interpret more than 200 experimental levels of the NIST database belonging to both parities. The optimal set of atomic parameters obtained after the least-square fitting step can serve to calculate radiative transition probabilities in the future.
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hal-03797213 , version 1 (04-10-2022)

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Gohar Hovhannesyan, Maxence Lepers. Improving the spectroscopic knowledge of neutral Neodymium. Physica Scripta, 2023, 98 (2), pp.025407. ⟨10.1088/1402-4896/acb4c1⟩. ⟨hal-03797213⟩
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