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physics.atom-ph2026
Hadronic vacuum polarization in hydrogen-like atoms and ions amid the interplay of recoil and finite-size effects
Franziska Hagelstein, Vadim Lensky, Bogdan Malaescu +1
Hadronic vacuum polarization (hVP) enters simple atomic systems at a level that is small yet decisive for the precision spectroscopy now underway. We evaluate the hVP contributions…
physics.atom-ph2024
Comprehensive theory of the Lamb shift in light muonic atoms
K. Pachucki, V. Lensky, F. Hagelstein +3
A comprehensive theory of the Lamb shift in light muonic atoms such as H, D, He, and He is presented, with all quantum electrodynamic corrections includ…