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PreprintarXiv licencearXiv

Magnetic Dipole Hyperfine Constants of 15 Energy Levels in 169Tm II Determined by Collinear Laser Fluorescence Spectroscopy

  • Hendrik Bodnar
  • Kristian König
  • Wilfried Nörtershäuser
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Abstract

We present measurements of the hyperfine structure, transition frequencies and relative intensities in 14 lines of 169Tm+ ions starting from the 4f13(2 Fo7/2)6s1/2 (7/2, 1/2)3,4o levels. The magnetic dipole hyperfine (A) constant of all 15 involved ionic levels are determined, 14 of which have sub-MHz accuracy. For five levels no previous measurements were reported, while all others are in excellent agreement with the literature and improve on the previous accuracy by typically 1 - 2 orders of magnitude. We compare transition strengths and include improved transition frequencies. These results are useful for the quantum computing community, modelling of Tm+ abundances in stellar spectra, as well as for an ongoing measurement program on short-lived Tm isotopes at ISOLDE/CERN.

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Cite

BibTeXRIS
BibTeX
@misc{bodnar2026magnetic,
  title = {{Magnetic Dipole Hyperfine Constants of 15 Energy Levels in $^169$Tm II Determined by Collinear Laser Fluorescence Spectroscopy}},
  author = {Hendrik Bodnar and Kristian König and Wilfried Nörtershäuser},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.03997},
  eprint = {2609.03997},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.03997},
}
RIS
TY  - UNPB
TI  - Magnetic Dipole Hyperfine Constants of 15 Energy Levels in ^169Tm II Determined by Collinear Laser Fluorescence Spectroscopy
AU  - Hendrik Bodnar
AU  - Kristian König
AU  - Wilfried Nörtershäuser
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2609.03997
UR  - https://arxiv.org/abs/2609.03997
AB  - We present measurements of the hyperfine structure, transition frequencies and relative intensities in 14 lines of 169Tm+ ions starting from the 4f^13(^2 F^o_7/2)6s_1/2 (7/2, 1/2)_3,4^o levels. The magnetic dipole hyperfine (A) constant of all 15 involved ionic levels are determined, 14 of which have sub-MHz accuracy. For five levels no previous measurements were reported, while all others are in excellent agreement with the literature and improve on the previous accuracy by typically 1 - 2 orders of magnitude. We compare transition strengths and include improved transition frequencies. These results are useful for the quantum computing community, modelling of Tm^+ abundances in stellar spectra, as well as for an ongoing measurement program on short-lived Tm isotopes at ISOLDE/CERN.
ER  -