%0 Journal Article %T The Tau Lepton: Particle Physics in a Nutshell %A J. H. Kuehn %J Physics %D 1998 %I arXiv %R 10.1016/S0920-5632(99)00387-4 %X Recent theoretical results in tau lepton physics and their implications for the experimental analysis are presented. The paper is split into the following chapters: 1. Introduction, 2. Weak Couplings, 3. Inclusive Decays, Perturbative QCD and Sum Rules, 4. Exclusive Decays, 5. Beyond the Standard Model. %U http://arxiv.org/abs/hep-ph/9812399v1