ISSN - 05874254, Acta Physica Polonica, Series B., 2007, vol. 38, p. 3499-3506
Present status and prospects of (gμ - 2)/2
The current status of the muon anomalous magnetic moment is discussed. The leading order hadronic contribution is reevaluated based on the new data on e+e- annihilation. The experimental value is about 3.3 standard deviations higher than the Standard Model prediction.