Section outline

    • Reminder of relativistic kinematics. Notation for 4-vectors. Mandelstam relativistic invariants. Natural units
    • Scattering and decay. Mean life, width, cross section. Lorentz-invariant phase space. Transition matrix. Fermi golden rule.
    • Relativistic equations: Klein-Gordon and Dirac. Classification of elementary particles: spin, fermions and bosons. Particles and anti-particles.
    • Concept of Feynman diagrams and calculation methods