Model-independent determination of nuclear charge radii from Li-like ions
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918272746651648 |
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| author | Yerokhin, V. A. Ohayon, B. |
| author_facet | Yerokhin, V. A. Ohayon, B. |
| contents | We demonstrate that recent advances in QED theory of Li-like ions [V. A. Yerokhin et al., Phys. Rev. A 112, 042801 (2025)] enable determinations of absolute nuclear charge radii for heavy elements. By incorporating constraints derived from electron-scattering data, we obtain radii that are independent of the assumed model of the nuclear charge distribution. Our approach is validated for $^{208}$Pb, a well-studied spherical nucleus, and is then applied to $^{209}$Bi, where low-lying nuclear excitations complicate the interpretation of muonic-atom data. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_27427 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Model-independent determination of nuclear charge radii from Li-like ions Yerokhin, V. A. Ohayon, B. Atomic Physics High Energy Physics - Experiment Nuclear Theory We demonstrate that recent advances in QED theory of Li-like ions [V. A. Yerokhin et al., Phys. Rev. A 112, 042801 (2025)] enable determinations of absolute nuclear charge radii for heavy elements. By incorporating constraints derived from electron-scattering data, we obtain radii that are independent of the assumed model of the nuclear charge distribution. Our approach is validated for $^{208}$Pb, a well-studied spherical nucleus, and is then applied to $^{209}$Bi, where low-lying nuclear excitations complicate the interpretation of muonic-atom data. |
| title | Model-independent determination of nuclear charge radii from Li-like ions |
| topic | Atomic Physics High Energy Physics - Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2510.27427 |