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CPT-2001/P.4133 Electroweak Hadronic Contributions to gµ − 2

By Marc Knecht A, Santiago Peris B, Michel Perrottet A, Eduardo De Rafael A and Grup De Física Teòrica


We reanalyze the two-loop electroweak hadronic contributions to the muon g − 2 that may be enhanced by large logarithms. The present evaluation is improved over those already existing in the literature by the implementation of the current algebra Ward identities and the inclusion of The latest result from the gµ − 2 experiment at BNL [1] reported by the E821 collaboration has triggered a renewal of interest on the theoretical prediction of the anomalous magnetic moment of the muon aµ ≡ 1 2 (gµ−2) in the Standard Theory 1. The attention has been focused mostly on the hadroni

Year: 2002
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