Theory lecture 8
19 Abril 2023, 08:30 • João Nuno Ramalho Gonçalves Pires
- Lagrangian densities and Euler-Lagrange equations
- QED Lagrangian and local U(1) symmetry. QED covariant derivative
- QCD Lagrangian and covariant derivative
- Gluon field local SU(3) gauge transformation
- QCD vertices and Feynman rules
- Matrix-element calculations in QED and QCD
- Colour confinment hypothesis
- Colour singlet meson and baryon wavefunctions
- Evaluating QCD colour factors
- QCD colour potential
Recommended reading: Chapter 10 of Mark Thomson's book and Chapter 9 of D.Griffith's book