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IHEP 2003 - 35 | |
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| V.V.Ezhela, S.B.Lugovsky, O.V.Zenin | ||
| Hadronic Part of the Muon {\boldmath $g-2$} \\ Estimated on the {\boldmath $\sigma_{\rm total}^{2003}(e^+e^-\to hadrons)$}\\ Evaluated Data Compilation | ||
| Protvino, 2003.- p.17, figs. 2, table 4, refs.:31. | ||
A comprehensive as of November 2003 and evaluated data
compilation on $\sigma_{\mathrm tot}(e^+e^-\to hadrons)$
was used to estimate the lowest order hadronic contribution
to the muon anomalous magnetic moment. The preliminary result is
a_\mu(\mathrm{had}, \mathrm{\footnotesize LO}) =
(699.6 \pm 1.9_{\mathrm{rad}} \pm 2.0_{\mathrm{proc}} \pm 8.5_{e^+e^-})
\times 10^{-10}.
The Standard Model value of the muon magnetic
anomaly calculated by updated SM formulae published or {\tt e}-printed by
November 2003 then reads
$$
a_\mu = 1.165\,918\,35(87_{\mathrm{had}})(40_{\mathrm{LbL}})(03_{\mathrm{QED}})
(02_{\mathrm{EW}}) \times 10^{-3}.
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