Documents. Post on 11-May-2015. 1.757 views11 download. See Full Reader. of 57 ... Transcript of (Group.theory.in.physics.problems.and.solutions).wu ki.tung.. Nov 3, 2013 — Wu-Ki Tung, Department of Physics and Astronomy Michigan State ... This theory provides a firm foundation for the intuitive QCD parton picture of ... to all orders in perturbation theory (by renormalization group methods) would lead ... \hat{\sigma​}_{i}^{a}=\int_{x}^{1}\dfrac{d\xi }{\xi }{\sum_{a}} \,\,f_{a}(