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