The hadronic corrections to the muon anomalous magnetic moment αμ,due to the full gaugeinvariant set of diagrams with dynamical quark loop and intermediate pseudoscalar and scalar states lightby-light scattering ins...The hadronic corrections to the muon anomalous magnetic moment αμ,due to the full gaugeinvariant set of diagrams with dynamical quark loop and intermediate pseudoscalar and scalar states lightby-light scattering insertions,are calculated in the framework of the nonlocal chiral quark model. These diagrams correspond to all hadronic light-by-light scattering contributions to α_μ in the leading order of the1 / N_c expansion in quark model. The result of the quark loop contribution is α_μ^(HLbL,Loop)=(11. 0 ± 0. 9) ·10^(-10),and the total result is α_μ^(HLbL,Loop)=(16.8 ± 1.2) ·10^(-10).展开更多
基金Supported by by Russian Science Foundation(14-50-00080)RFBR grant(15-02-03391)
文摘The hadronic corrections to the muon anomalous magnetic moment αμ,due to the full gaugeinvariant set of diagrams with dynamical quark loop and intermediate pseudoscalar and scalar states lightby-light scattering insertions,are calculated in the framework of the nonlocal chiral quark model. These diagrams correspond to all hadronic light-by-light scattering contributions to α_μ in the leading order of the1 / N_c expansion in quark model. The result of the quark loop contribution is α_μ^(HLbL,Loop)=(11. 0 ± 0. 9) ·10^(-10),and the total result is α_μ^(HLbL,Loop)=(16.8 ± 1.2) ·10^(-10).
