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Table of contents
1 A review of the Standard Model
1.1 Historical overview
1.2 The framework
1.2.1 The gauge theory
1.2.2 The Higgs mechanism and its consequences
1.3 Unanswered questions
2 The lepton sector
2.1 Neutrino masses
2.1.1 Neutrino oscillations and their interpretation
2.1.2 The theoretical puzzle
2.2 Charged lepton flavour violation
2.2.1 The Glashow-Iliopoulos-Maiani mechanism
2.2.2 New physics and charged lepton flavour violation
3 Leptogenesis
3.1 From baryogenesis to leptogenesis
3.1.1 Baryon number nonconservation in the Standard Model
3.1.2 Neutrino masses and leptogenesis
3.1.3 The Standard scenario: leptogenesis with right-handed neutrinos
3.2 Leptogenesis with a scalar triplet: a general approach
3.2.1 The setup
3.2.2 A simplified model
3.2.3 Introduction of flavour and spectator processes
3.2.4 Numerical approach
3.3 A more predictive scenario
3.3.1 The setup
3.3.2 Boltzmann equations
3.3.3 Numerical approach
4 Sterile neutrinos as pseudo-Goldstone fermions
4.1 Introduction to Supersymmetry
4.1.1 Superspace and superfields
4.1.2 Supersymmetric theories
4.1.3 The MSSM
4.2 Pseudo-Goldstone fermion Lagrangian
4.2.1 The framework
4.2.2 Chargino and neutralino mass matrices
4.3 The neutrino mass matrix
4.3.1 Parametrization
4.3.2 Numerical search for solutions
5 Supersymmetric seesaw and gauge mediation
5.1 Introduction to Supersymmetry breaking
5.1.1 The vacuum of supersymmetric theories
5.1.2 Explicit Models of supersymmetry breaking
5.1.3 Supersymmetry broken in a separate sector
5.1.4 Minimal gauge mediation
5.2 Extended gauge mediation
5.2.1 The electroweak symmetry breaking in the MSSM
5.2.2 Soft terms from wavefunction renormalization
5.2.3 General matter-messenger mixing
5.3 Application: the supersymmetric seesaw
5.3.1 Flavour violation
5.3.2 Type I seesaw
5.3.3 Type II seesaw
5.3.4 Additional comments
5.3.5 Conclusion
Appendix
A Boltzmann equations
A.1 Classical derivation
A.2 Decays and scattering rates
A.3 CP violating terms
A.4 The closed time-path formalism
B Loop integrals in wavefunction renormalization
B.1 Contribution of the superpotential
B.2 Mixed gauge-superpotential contribution
B.3 Holomorphic wavefunction
Synopsis
