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Studies on hyperfine structure of Sc I and Sc II using Fourier-transform spectroscopy

  • Regular Article – Atomic Physics
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Abstract

New magnetic dipole hyperfine structure (HFS) constants A of Sc I and Sc II were derived by analyzing of the transition lines ranging from 3998 to 39,979 \(\hbox {cm}^{-1}\) in the Fourier-transform (FT) spectra which was recorded in the US National Solar Observatory. In this work, we determined the HFS constants for 56 levels of Sc I from 14,926.061 to 41,162.506 cm\(^{{-1}}\) and for 12 levels of Sc II from 30,815.70 to 77,387.17 cm\(^{{-1}}\). To our best knowledge, the HFS constants for 50 out of 56 levels in Sc I and for nine out of 12 levels in Sc II are reported for the first time. Our results have good agreements with the experimental values reported in the literature. Most of the estimated uncertainties are less than 10%.

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Data availability statement

This manuscript has associated data in a data repository. [Authors’ comment: All data generated during this study are included in this published article.]

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. U1832114) and Science and Technology Development Planning Project of Jilin Province (Grant No. 20180101239JC).

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Authors and Affiliations

  1. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun, 130012, China

    Yixin Xu, Die Fang, Hui Fu, Meina Liu, Huiting Ma, Yang Yang & Zhenwen Dai

  2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    Zhihu Yang

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  1. Yixin Xu
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All authors contributed equally to the paper.

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Correspondence to Zhenwen Dai.

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Xu, Y., Fang, D., Fu, H. et al. Studies on hyperfine structure of Sc I and Sc II using Fourier-transform spectroscopy. Eur. Phys. J. D 75, 284 (2021). https://doi.org/10.1140/epjd/s10053-021-00288-0

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