Evaluation of hadronic vacuum polarization contribution to muonium hyperfine splitting
R. N. Faustov, A. Karimkhodzhaev, A. P. Martynenko
Abstract
The contribution of hadronic vacuum polarization (HVP) to the hyperfine splitting of the muonium ground state is evaluated with the account of modern experimental data on the cross section of e+e- annihilation into hadrons.
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