course dates credits
The Standard Model of particle physics Oct 3 - Dec 15 9
teachers schedule term
Andrea Romanino 8:30 -10:00 1


  • Preliminaries:
    • The low-energy lagrangian: QED, QCD, effective weak interactions
    • Chirality, Weyl spinors, the general renormalizable gauge lagrangian for s = 0, 1/2, 1
    • Spontaneous Symmetry Breaking
  • Bottom-up construction of the SM lagrangian:
    • Gauge group and fermion quantum numbers
    • Flavour and Higgs sector
  • The SM spectrum:
    • The ground state and electroweak symmetry breaking
    • The mass terms and the spectrum
    • The SM interactions in terms of mass eigenstates
  • Symmetries of the SM lagrangian:
    • Discrete: P, T, C
    • Continuous: accidental symmetries
  • Focus on lepton number:
    • Lepton number and neutrino masses
    • Neutrino phenomenology [S. Petcov]
  • SM phenomenology: the gauge sector:
    • General features
    • QCD and collider physics [A. Azatov, see below]
    • Electroweak interactions
  • SM phenomenology: the flavour sector:
    • Quark mixing and CP-violation
    • (Peculiar) suppression of flavour changing neutral currents
    • Tests and anomalies
  • SM phenomenology: the Higgs sector
    • Higgs mass and interactions
    • Custodial symmetry
    • Generalised description of the Higgs sector
QCD and collider physics [A. Azatov]
  • QCD in e+ e- collisions:
    • Soft gluon emission.
    • Angular ordering for soft gluon emission.
    • Soft and colinear divergences
    • Cancellation of IR divergences
    • Jet cross -section, calculation of the 2jet and 3 jets cross sections in e+ e- collisions at O(?s)
    • IR safe observables, jet mass and jet thrust.
    • Jet reconstruction algorithms.
  • Parton Model:
    • Deep inelastic Scattering (DIS)
    • Bjorken scaling
    • electron proton and neutrino proton scatterings
    • Parton distribution functions (PDF)s
    • DGLAP equations for PDF evolution
  • Hadron hadron collisions
    • Parton luminosity, various kinematic variables and distributions


  • Basic particle physics phenomenology (QED, weak interactions)
  • Gauge QFT of scalars, fermions, and vectors [see also QFT course]
  • Group theory: SU(2), SU(3), SO(1,3), SL(2,C) (generators and representations); possibly: notions of Lie groups, Lie algebras [see also Differential Geometry and Group Theory course]


Donoghue, Golowich, Holstein, "Dynamics of the SM"
M.Mangano, "Introduction to QCD"

Online Resources:

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