course | dates | credits |
The Standard Model of Particle Physics | Oct 1 - Dec 13 | 9 |
teachers | schedule | term |
Andrea Romanino | 8:30 -10:00 | 1 |
Program:
- 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
- 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 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
- Hadron hadron collisions
- PDF convolution, parton luminosity and cross section
Prerequisites:
- 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]
Books:
Donoghue, Golowich, Holstein, "Dynamics of the SM"
M.Mangano,
"Introduction to QCD"
Online Resources:
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