Sumários

Theory lecture 13

19 Maio 2025, 15:00 • João Nuno Ramalho Gonçalves Pires

  • Experimental determination of the CKM matrix elements
  • CP violation in the neutral Kaon system
  • Neutrino discovery
  • DIS neutrino-proton scattering
  • Neutrino oscillations and neutrino masses
  • PMNS neutrino mixing matrix
  • Solar, atmospheric, Reactor and accelerator Neutrino experiments

Recommended reading: Chapters 12,13 and 14 of Mark Thomson's book. Chapters 4.6-4.9 and 10.5 of D.Griffith's book.

Exercise class 10

16 Maio 2025, 11:00 • João Nuno Ramalho Gonçalves Pires

Discussion and solution of the tenth series of exercises.

Theory lecture 12

16 Maio 2025, 09:00 • João Nuno Ramalho Gonçalves Pires

  • 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
  • Charged weak interaction of quarks
  • Cabibbo hypothesis
  • The charm quark and the GIM mechanism

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 9

14 Maio 2025, 09:00 • João Nuno Ramalho Gonçalves Pires

Discussion and solution of the ninth series of exercises.


Theory lecture 11

12 Maio 2025, 15:00 • 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) 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
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.