Butsuri
Online ISSN : 2423-8872
Print ISSN : 0029-0181
ISSN-L : 0029-0181
QED Calculation of Lepton Anomalous Magnetic Moments(Research)
Tatsumi AoyamaMasashi HayakawaToichiro KinoshitaMakiko Nio
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2014 Volume 69 Issue 6 Pages 376-380

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Abstract

The anomalous magnetic moment g-2 of lepton is one of the most closely studied quantities in particle physics. The electron g-2 has played the central role in testing the validity of quantum electrodynamics (QED). The notable discrepancy observed between the measurement and the theoretical prediction of the muon g-2 may lead to a possible new physics beyond the standard model. Recent updates in the QED contribution involving the complete determination of the tenth-order correction in the perturbation theory provides further improvements in the precision tests. Our numerical approach toward these problems is described.

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© 2014 The Physical Society of Japan
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