Elementary Particle Theory I

Data inizio: 
Mercoledì, 1 Febbraio 2017
Data fine: 
Mercoledì, 31 Maggio 2017
Ore totali: 
40
Ore totali docenti responsabili: 
40
MODALITA' DELL'ESAME
Prova orale
PREREQUISITI E ANNI DI CORSO PER CUI E' CONSIGLIATO

Prerequisiti necessari: Fisica Teorica 1
Consigliati anche: Fisica Teorica 2 e Cromodinamica Quantistica

Programma

The building blocks of the Standard Model 
Representations of the Lorentz group: Particles vs Fields
Long range forces: gauge invariance from Lorentz invariance
Effective Field Theories and Renormalisation 
Spontaneous Symmetry Breaking and the Goldstone Theorem
The electroweak chiral Lagrangian and the Higgs boson
The naturalness of the electroweak scale
 
The Standard Model Lagrangian 
Symmetries of the SM Lagrangian: gauge, approximate and accidental
The Higgs sector and Electroweak symmetry breaking
CKM matrix, unitarity triangle and the size of flavor and CP violation
Electroweak precision tests
 
QCD and its low energy description
 The low energy chiral Lagrangian
Pion mass difference, dispersion relations and Weinberg’s sum rules
Current algebra and PCAC
The Callan-Coleman-Wess-Zumino formalism 
 

Riferimenti bibliografici

Riccardo Barbieri - Lectures on the Electroweak Interactions
John F. Donoghue, Eugene Golowich and Barry R. Holstein - The Dynamics of the Standard Model
Matthew Schwartz - Quantum Field Theory and the Standard Model
Steven Weinberg - The Quantum Theory of Fields, Volume 1, 2