Relativistic nuclear recoil effects in hyperfine splitting of hydrogenic systems
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866910064714973184 |
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| author | Hevler, Jakub Maroń, Andrzej Pachucki, Krzysztof |
| author_facet | Hevler, Jakub Maroń, Andrzej Pachucki, Krzysztof |
| contents | Finite nuclear mass $(Z\,α)^2\,m/M\,E_F$ corrections to the hyperfine splitting in hydrogenic systems are calculated using a combined relativistic heavy particle and nonrelativistic quantum electrodynamics. The obtained results are in disagreement with previous calculations by Bodwin and Yennie [Phys. Rev. D {\bf 37}, 498 (1988)]. The comparison of improved theoretical predictions with the corresponding measurements in hydrogen reveals $2\,σ$ discrepancy, which may indicate problems with the proton structure corrections. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_15616 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Relativistic nuclear recoil effects in hyperfine splitting of hydrogenic systems Hevler, Jakub Maroń, Andrzej Pachucki, Krzysztof Atomic Physics Finite nuclear mass $(Z\,α)^2\,m/M\,E_F$ corrections to the hyperfine splitting in hydrogenic systems are calculated using a combined relativistic heavy particle and nonrelativistic quantum electrodynamics. The obtained results are in disagreement with previous calculations by Bodwin and Yennie [Phys. Rev. D {\bf 37}, 498 (1988)]. The comparison of improved theoretical predictions with the corresponding measurements in hydrogen reveals $2\,σ$ discrepancy, which may indicate problems with the proton structure corrections. |
| title | Relativistic nuclear recoil effects in hyperfine splitting of hydrogenic systems |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2602.15616 |