Sumários

Neutrinos, CP violation and Weak interactions with hadrons

6 Maio 2020, 08:30 • Nuno Barros

  • Presentation and discussion of latest results from T2K on neutrino CP violation
  • Neutrino mass
    • Mechanisms and methods
    • Cosmological limits
    • Β decay endpoint
    • Double β decay
  • Weak interaction of quarks
    • GIM mechanism
    • CKM matrix. Determination of its elements.
  • CP violation
    • Implications into matter-antimatter asymmetry
    • The neutral kaon system
    • CP eigenstates
    • CP violation and the CKM matrix
    • The neutral B system and the BaBar experiment
  • CKM results and Wolfenstein parameterization



Neutrino oscillations

29 Abril 2020, 08:30 • Nuno Barros

  • The origin of the neutrino
  • Neutrino Oscillations
    • Two flavors
    • Three flavors
  • C, P, T symmetries and CPT invariance
  • CP violation (in neutrino oscillations)
  • The PMNS matrix
  • Historical overview of neutrino experiments
    • Interaction mechanisms and detection methods
    • Solar neutrino experiments
    • Atmospheric neutrino experiments
    • Neutrino Oscillations from other sources
  • Current status of neutrino oscillations and PMNS matrix

Exercise Series 5

24 Abril 2020, 08:30 • Nuno Barros

  • Discussion of exercise series 5
  • Clarification of questions concerning the subjects of the series
  • Discussion about new evaluation method to skip the presence requirement:
    • The two solve-at-home exercise series will count 20% of the grade (each)
    • The final exam is replaced by a short dissertation over a proposed individual subject. 

Weak Interactions

22 Abril 2020, 08:30 • Nuno Barros

  • Parity violation
  • V-A structure of the weak interaction
  • W boson propagator. Discussion of the strength of the weak interaction
  • Lepton universality
  • Neutrino scattering (neutrino-quark scattering, DIS)
  • Brief discussion of the neutral current

QCD (continuation).

17 Abril 2020, 08:30 • Nuno Barros

  • QCD
    • Revisit of QCD principles
    • Color confinement : 
      • Color singlets
      • Meson color wavefunction
      • Baryon color wavefunction
    • Gluons
      • Gluon-gluon interactions
      • Hadronization and jets
      • Quark-gluon interactions
      • Feynman rules for QCD
      • quark-quark scattering
      • Calculation of QCD color factors
      • Running coupling constants
  • Discussion of evaluation method changes and agreement on details of homework assignment submissions