course dates credits
Beyond the Standard Model Jan - Apr 3
teachers schedule term
Andrea Romanino Mon-Thur, 10.00-11.15 2

Program:

  • The Standard Model as an effective theory
    • Lepton number violating operators and neutrino masses
    • Baryon number violating operators and proton decay
    • Flavour violating operators and FCNC
    • Electroweak precision tests and the little hierarchy problem
  • Beyond the Higgs sector of the Standard Model
    • Model-independent description of electroweak symmetry breaking
    • Higgsless models and technicolor
    • The strongly interacting Higgs
    • The weakly interacting two Higgs doublet model
  • Grand unification
    • SU(5): gauge lagrangian and proton decay
    • SU(5) breaking
    • The Higgs and the Yukawa sector
    • Electroweak symmetry breaking, 2-3 splitting problem, hierarchy problem
    • SO(10)
  • The hierarchy problem
  • Supersymmetry
    • Structure of the minimal SM extension (MSSM)
    • Electroweak symmetry breaking (EWSB)
    • RGEs and radiative EWSB
    • Spectrum, mixings and LSP interactions
    • The flavour problem and the mass insertion approximation
    • Proton decay: D = 4, 5, 6
    • Collider phenomenology
  • Large extra-dimensions
    • Kaluza-Klein decomposition: scalar field and graviton
    • Symmetry breaking: Sherk-Schwarz and orbifolds
    • Supersymmetry breaking
    • Gauge symmetry breaking
    • Warped extra-dimensions

    Prerequisites:

    • UV divergences and renormalization
    • Spontaneously broken gauge theories: R gauge
    • Standard Model, 1 loop tests, unitarity in the absence of the Higgs
    • General RGEs, QCD and asymptotic freedom
    • Dimensional transmutation and effective potential
    • N=1 superalgebra, superfields, lagrangian, soft susy breaking (not for APP)

    Useful but not required

    • Elements of QEFT
    • Integration of heavy degrees of freedom and running of the EFT
    • Effective theory for Goldstone bosons of spontaneously broken theory

    Books:

    Online Resources:

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