English

Recoil corrections to $\mu$H hyperfine splitting

Atomic Physics 2026-04-09 v1

Abstract

This work attempts to present a complete theory of the μ\muH hyperfine splitting, including all contributions above 1 ppm. Quantum electrodynamic and recoil corrections are calculated directly, while the proton structure correction is obtained with the help of the H hyperfine splitting. The resulting theoretical prediction for the ground state of μ\muH is Ehfs=182626(5)E_\mathrm{hfs} = 182\,626(5) μ\mueV.

Keywords

Cite

@article{arxiv.2604.06930,
  title  = {Recoil corrections to $\mu$H hyperfine splitting},
  author = {Andrzej Maroń and Mateusz Pańtak and Krzysztof Pachucki},
  journal= {arXiv preprint arXiv:2604.06930},
  year   = {2026}
}

Comments

11 pages

R2 v1 2026-07-01T11:59:03.224Z