Precise mass-dependent QED contributions to leptonic g-2 at order alpha^2 and alpha^3

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  • 30 January 2007
Abstract
Improved values for the two- and three-loop mass-dependent QED contributions to the anomalous magnetic moments of the electron, muon, and tau lepton are presented. The Standard Model prediction for the electron (g-2) is compared with its most precise recent measurement, providing a value of the fine-structure constant in agreement with a recently published determination. For the tau lepton, differences with previously published results are found and discussed.

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