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Recent Progress on Tau-Lepton Physics

Prof. Antonio Pich (IFIC Valencia/Spain, z.Z. Gast am Exzellenz-Cluster Universe)

Date:  November 10, 2011 16:00  – 17:00 

Place: Am Coulombwall 1, Garching
Lecture Hall (ground floor)

The large tau data samples collected at the B Factories provide precise tests of the electroweak and strong interactions. The present status of some selected topics on tau physics will be presented, such as charged-current universality tests, bounds on lepton-flavour violation, the determination of alpha_s from the inclusive tau hadronic width and the measurement of  V_us through the Cabibbo-suppressed decays of the tau. The spectral distribution of the final hadrons in the tau decay contains also important information on non-perturbative QCD aspects,  with implications for the Standard Model prediction of the muon anomalous magnetic moment (g-2). An updated discussion of these subjects will be given.