Hadronic Vacuum Polarization Contribution to g-2 of the Leptons and alpha(M_Z)

Abstract

We review and compare recent calculations of hadronic vacuum polarization effects. In particular, we consider the anomalous magnetic moments g-2 of the leptons and alpha(M_Z), the effective fine structure constant at the Z--resonance.

Comments: 11 pages, 11 postscript figures, uses espcrc2.sty. Postscript version available at http://www.ifh.de/~fjeger/desy-96-121.ps.gz To be published in the proceedings of Zeuthen Workshop on Elementary Particle Theory: QCD and QED in Higher Orders, Rheinsberg, Germany, 21-26 Apr 1996