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11 - Electroweak Symmetry Breaking

Published online by Cambridge University Press:  31 August 2023

Pascal Paganini
Pascal Paganini
Affiliation:
École Polytechnique, Paris
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Summary

This chapter explains how we can reconcile massive particles within a gauge symmetry. The notion of spontaneous symmetry breaking is introduced, first in a simple model and then with the gauge group of the Standard Model. The Brout–Englert–Higgs mechanism is then presented in detail. The rest of the chapter is devoted to the experimental discovery of the Higgs boson and its properties with the most up-to-date experimental measurements.

Keywords

spontaneous symmetry breakingHiggs fieldscalar potentialground statevacuum expectation valueYukawa couplingsright-handed neutrinosHiggs boson discoveryLHCmass
Type
Chapter
Information
Fundamentals of Particle Physics
Understanding the Standard Model
 , pp. 394 - 431
Publisher: Cambridge University Press
Print publication year: 2023

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