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VOLUME 75 (2002) | ISSUE 11 | PAGE 643
Contribution of the π0γ and ηγ intermediate states to the vacuum polarization and the muon anomalous magnetic moment
PACS: 13.40.Em, 13.65.+i, 14.60.Ef
Abstract
Using new experimental data, we calculate the contribution to the anomalous magnetic moment of the muon from the π0γ and ηγ intermediate states in the vacuum polarization with high precision taking into account the correction for using the trapezoidal rule: a_{\mu}(\pi^0\gamma)+a_{\mu}(\eta\gamma)=(53.1\pm 1.5)\cdot 10^{-11}. We also find the small contribution from e+e-π0, e+e-η and μ+μ-π0 intermediate states equal to 0.5• 10-11.