Sumários
Exercise class 9
15 Maio 2024, 11:00 • João Nuno Ramalho Gonçalves Pires
Discussion and solution of the ninth series of exercises.
Theory lecture 10
15 Maio 2024, 08:30 • João Nuno Ramalho Gonçalves Pires
- Introduction to the gauge theory of the weak interaction
- Experimental observation of parity violation in nuclear beta decay
- The parity violating vector - axial (V-A) Lorentz invariant weak charged current
- Chirality decomposition of Dirac spinors and the chiral structure of the weak interaction
- The W vertex coupling to left chiral particle states and right chiral antiparticle states
- The W-boson massive spin 1 propagator
- Fermi theory and the strength of the weak interaction coupling constant
- Helicity in pion decay: The pion to electron/anti-neutrino and muon/anti-neutrino branching ratio decay in the context of the V- A weak vertex
- Experimental evidence for the lepton Universality coupling strength in the weak charged W current
Recommended reading: chapter 11 and 6.4 of Mark Thomson's book and chapter's 10.1 to 10.4 of D.Griffith's book.
Exercise class 8
8 Maio 2024, 11:00 • João Nuno Ramalho Gonçalves Pires
Discussion and solution of the eigth series of exercises.
Theory lecture 9
8 Maio 2024, 08:30 • João Nuno Ramalho Gonçalves Pires
- e+e- annihilation to hadrons: experimental evidence for QCD colour degree of freedom
- hadronization, jet production and jet algorithms at LEP: dijet angular distributions with spin 1/2 final state quarks
- gluon emission in 3-jet events at LEP: gluon spin determination
- experimental tests of the non-abelian QCD triple gluon vertex with 4 jet events at LEP
- renormalization in QED and QCD
- running coupling constants of QED and QCD
- experimental evidence for asymptotic freedom of the SU(3) QCD coupling constant
- factorization theorem for hadron-hadron cross sections at the LHC
- hadron collider event kinematics
- Drell-Yan and jet production at the LHC and the search for new physics beyond the Standard Model
Recommended reading: Chapter 10 of Mark Thomson's book and Chapter 9 of D.Griffith's book