SEMINAR - Muon g-2 from tau and e+e- data and rho-gamma mixing

Friday February 15th 2013, 2:30 pm - Seminar room

Speaker: Fred Jegerlehner (DESY, Zeuthen)

Abstract: The anomalous magnetic moment of the muon provides stringent tests for the electroweak Standard Model and is an excellent monitor for new physics.

I present a summary of the status and on recent progress, emphasizing problems and possible solutions in the determination of the hadronic contributions: vacuum polarization and light-by-light scattering. They represent the challenge in reducing theoretical uncertainties to match the precision of forthcoming experiments, expected to go into operation within a few years from now. The impact of recent LHC results for the interpretation observed 3-4 sigma "discrepancy" in the muon g-2 is discussed.

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