The contribution of pseudoscalar mesons to hyperfine structure of muonic hydrogen

Abstract

In the framework of the quasipotential method in quantum electrodynamics we calculate the contribution of pseudoscalar mesons to the interaction operator of a muon and a proton in muonic hydrogen atom. The parametrization of the transition form factor of two photons into $\pi$, $\eta$ mesons, based on the experimental data on the transition form factors and QCD asymptotics is used. Numerical estimates of the contributions to the hyperfine structure of the spectrum of the S and P levels are presented.

arXiv comment15 pages, 4 figures

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Cited by in corpus (11)

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• The next generation of laser spectroscopy experiments using light muonic atoms
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• Dissecting the hadronic contributions to $(g-2{)}_{\mu }$ by Schwinger's sum rule
• Hyperfine splitting in ordinary and muonic hydrogen
• Corrections of two-photon interactions in the fine and hyperfine structure of the P-energy levels of muonic hydrogen
• The light-by-light contribution to the muon anomalous magnetic moment from the axial-vector mesons exchanges within the nonlocal quark model
• The LbL contribution to the muon g-2 from the axial-vector mesons exchanges within the nonlocal quark model
• Energy interval 3S-1S in muonic hydrogen
• The contribution of pseudoscalar and axial-vector mesons to hyperfine structure of muonic hydrogen