Decoupling in QED and QCD
arXiv:1212.5144 · doi:10.1142/S0217751X13500152
Abstract
Decoupling of a heavy flavour in QCD is discussed in a pedagogical way. First we consider a simpler case: decoupling of muons in QED. All calculations are done up to 2 loops.
Lecture at 5-th Helmholtz international summer school Calculations for modern and future colliders Dubna, July 23 -- August 2, 2012, 21 pages