Contribution to muon g-2 from the \pi0γand ηγintermediate states in the vacuum polarization

Abstract

Using new experimental data, we have calculated the contribution to the anomalous magnetic moment of the muon from the \pi0γand ηγintermediate states in the vacuum polarization with high precision: aμ(\pi0γ)+aμ(ηγ)=(54.7\pm 1.5)\times 10^{-11}. We have also found the small contribution from e+e-\pi0, e+e-ηand μ+μ-\pi0 intermediate states equal to 0.5\times 10^{-11}.