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physics.atom-ph2026
Nuclear recoil with electron vacuum polarization in muonic atoms
Vojtěch Patkóš, Mateusz Pańtak, Krzysztof Pachucki
Using the heavy-particle QED approach, we derive the last missing nuclear recoil correction in muonic atoms, which originates from the combination of the $(Zα)^5…
physics.atom-ph2026
Hydrogenic rotational levels with spin-0 or spin-1/2 constituent particles
Vojtěch Patkóš, Mateusz Pańtak, Krzysztof Pachucki
We employ nonrelativistic quantum electrodynamics with a unified description of two-body systems with spin-0 or spin-1/2 constituents, arbitrary masses, and arbitrary magnetic mome…
physics.atom-ph2026
Recoil corrections to H hyperfine splitting
Andrzej Maroń, Mateusz Pańtak, Krzysztof Pachucki
This work attempts to present a complete theory of the H hyperfine splitting, including all contributions above 1 ppm. Quantum electrodynamic and recoil corrections are calculat…