Energy Interval 1$S$–2$S$ in Muonic Hydrogen and Heliumстатья
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Дата последнего поиска статьи во внешних источниках: 28 октября 2020 г.
Аннотация:The interval of a large structure of energy spectrum (1S–2S) in muonic helium and hydrogen iscalculated using a quasi-potential method in quantum electrodynamics. Corrections of the order α4, α5, andα6 determined by relativistic effects, vacuum polarization effects, nuclear structure and recoil, as well as bycombined corrections including those listed above, are taken into account. The nuclear structure effects areexpressed in terms of the charge radius of nuclei in the case of the one-photon interaction and electromagneticform factors of nuclei in the case of the two-photon interaction. Numerical values obtained for the (1S–2S) interval can be used for comparison with future experimental data and for more accurate determinationof the charge radii of nuclei.