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Contribution of hadronic light-by-light scattering to the hyperfine structure of muonium

Article scientifique 2023 Anglais

Résumé

The contribution of hadronic scattering of light-by-light to the hyperfine structure of muonium is calculated using experimental data on the transition form factors of two photons into a hadron. The amplitudes of interaction between a muon and an electron with horizontal and vertical exchange are constructed. The contributions due to the exchange of pseudoscalar, axial vector, scalar and tensor mesons are taken into account.

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Korobov, V., Eskin, A., Martynenko, A., Martynenko, F. (2023). Contribution of hadronic light-by-light scattering to the hyperfine structure of muonium. https://doi.org/10.48550/arxiv.2307.14916

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Auteur(s)

V. I. Korobov A. V. Eskin Alexei P. Martynenko Fedor A. Martynenko

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