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PreprintarXiv licencearXiv

Collinear Laser Spectroscopy of the 1s2s 3 S1→ 1s2p 3 P0,2 Transitions in Helium-like 11B3+

  • Axel Buß
  • Konstantin Mohr
  • Volker Hannen
  • Zoran Andelkovic
  • Max Horst
  • Phillip Imgram
  • Kristian König
  • Bernhard Maass
  • W. Nörtershäuser
  • Simon Rausch
  • Rodolfo Sánchez
  • Christian Weinheimer
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Abstract

We report on hyperfine structure measurements of the 1s2s 3 S1 → 1s2p 3 P0,2 fine-structure transitions in the spectrum of 11B3+ ions. The helium-like ions were created in an electron beam ion trap (EBIT) and ejected after a short production period of 15 ms. A challenge of the experiment was the treatment of the complex energy-time-profile of the created ion bunches and the sensitivity of the collinear laser spectroscopy to the starting potential inside the EBIT. Despite these complications and the low statistics of the experiment, we were able to confirm and improve the results of a previous measurement of these transitions. While we find moderate tension in the results for the hyperfine parameters of the 3 P0,2 levels, their fine-structure level energies are in reasonable agreement between experiments and with theory.

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Cite

BibTeXRIS
BibTeX
@misc{buß2026collinear,
  title = {{Collinear Laser Spectroscopy of the $1s2s\,^3\!S_1\rightarrow 1s2p\,^3\!P_0,2$ Transitions in Helium-like $^11$B$^3+$}},
  author = {Axel Buß and Konstantin Mohr and Volker Hannen and Zoran Andelkovic and Max Horst and Phillip Imgram and Kristian König and Bernhard Maass and W. Nörtershäuser and Simon Rausch and Rodolfo Sánchez and Christian Weinheimer},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.33056},
  eprint = {2609.33056},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.33056},
}
RIS
TY  - UNPB
TI  - Collinear Laser Spectroscopy of the 1s2s ^3 S_1→ 1s2p ^3 P_0,2 Transitions in Helium-like ^11B^3+
AU  - Axel Buß
AU  - Konstantin Mohr
AU  - Volker Hannen
AU  - Zoran Andelkovic
AU  - Max Horst
AU  - Phillip Imgram
AU  - Kristian König
AU  - Bernhard Maass
AU  - W. Nörtershäuser
AU  - Simon Rausch
AU  - Rodolfo Sánchez
AU  - Christian Weinheimer
PY  - 2026
DA  - 2026/09/27
PB  - arXiv
DO  - 10.48550/arxiv.2609.33056
UR  - https://arxiv.org/abs/2609.33056
AB  - We report on hyperfine structure measurements of the 1s2s ^3 S_1 → 1s2p ^3 P_0,2 fine-structure transitions in the spectrum of ^11B^3+ ions. The helium-like ions were created in an electron beam ion trap (EBIT) and ejected after a short production period of 15 ms. A challenge of the experiment was the treatment of the complex energy-time-profile of the created ion bunches and the sensitivity of the collinear laser spectroscopy to the starting potential inside the EBIT. Despite these complications and the low statistics of the experiment, we were able to confirm and improve the results of a previous measurement of these transitions. While we find moderate tension in the results for the hyperfine parameters of the ^3 P_0,2 levels, their fine-structure level energies are in reasonable agreement between experiments and with theory.
ER  -