arXiv:hep-ph/0101183·v1·High Energy Physics — Phenomenology
On the two-loop electroweak amplitude of the muon decay
P.A. Grassi (New York Univ.)🇺🇸 · T. Hurth (CERN)🇨🇭
Abstract
We present an analysis of the two-loop amplitude of the muon decay in the Standard Model (SM) using algebraic renormalization techniques. In addition, we discuss a manifestly BRST invariant IR regulator for the photon within the SM.
Comments: 14 pages, LaTeX, 2 figures. Based on an invited talk at 5th International Symposium on Radiative Corrections (RADCOR-2000), Carmel CA, USA, 11--15 September, 2000; to appear in the Proceedings