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Soft gluon fields and anomalous magnetic moment of muon
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NSTL
An impact of nonperturbatively treated soft gluon modes on the value of anomalous magnetic moment of muon a ( mu ) is studied within the mean-field approach to QCD vacuum and hadronization. It is shown that radial excitations of vector mesons strongly enhance contribution of hadronic vacuum polarization to a ( mu ), doubling the contribution of one-meson processes compared to the result for ground state mesons. The mean field also strongly influences the hadronic light-by-light scattering contribution due to the Wilson line in quark propagators.
anomalous magnetic moment of muonconfinementvacuum of QCDhadronsBY-LIGHT SCATTERINGVACUUM POLARIZATIONMODEL
Nedelko, Sergei、Nikolskii, Aleksei、Voronin, Vladimir
NSTL
