Abstract
A α 5 μ 3 (m 1 m 2)−1 (m 1/m 2)ln(m 1/m 2) correction stemming from a consecutive exchange of a Coulomb and a transverse photon between the muon and the electron of the muonium atom is revealed and calculated (μ is the reduced mass of the system). Additional contributions of order α 6 μ 3 (m 1 m 2)−1ln(m 1/m 2) due to one-photon exchange in the muonium atom are taken into account.
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Translated from Yadernaya Fizika, Vol. 64, No. 8, 2001, pp. 1437–1441.
Original Russian Text Copyright © 2001 by Boikova, Kleshchevskaya, Tyukhtyaev, Faustov.
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Boikova, N.A., Kleshchevskaya, S.V., Tyukhtyaev, Y.N. et al. Logarithmic corrections in m 1/m 2 to the fine shift of the S-wave energy levels in the muonium atom. Phys. Atom. Nuclei 64, 1359–1363 (2001). https://doi.org/10.1134/1.1398927
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DOI: https://doi.org/10.1134/1.1398927