Electroweak Interactions  book cover
1st Edition

Electroweak Interactions

ISBN 9780367575229
Published June 30, 2020 by CRC Press
214 Pages

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Book Description

Get First-Hand Insight from a Contributor to the Standard Model of Particle Physics

Written by an award-winning former director-general of CERN and one of the world’s leading experts on particle physics, Electroweak Interactions explores the concepts that led to unification of the weak and electromagnetic interactions. It provides the fundamental elements of the theory of compact Lie groups and their representations, enabling a basic understanding of the role of flavor symmetry in particle physics.

Understand Conceptual Elements of the Theory of Elementary Particles

The book begins with the identification of the weak hadronic current with the isotopic spin current, Yang–Mills theory, and the first electroweak theory of Glashow. It discusses spontaneous breaking of a global symmetry and a local symmetry, covering the Goldstone theorem, Brout–Englert–Higgs mechanism, and the theory of Weinberg and Salam. The author then describes the theory of quarks, quark mixing, the Cabibbo angle, the Glashow–Iliopoulos–Maiani (GIM) mechanism, the theory of Kobayashi and Maskawa, six quark flavors, and CP violation.

Delve into Experimental Tests and Unresolved Problems

The author goes on to explore some phenomenological topics, such as neutral current interactions of neutrinos and CP violation in the neutral K-meson system. He also highlights how flavor-changing neutral current processes have emerged as probes to reveal the presence of new phenomena at energies not yet accessible with particle accelerators. The book concludes with an explanation of the expected properties of the Higgs boson and the methods adopted for its search. The predictions are also compared with relevant experimental results.

View the author’s first book in this collection: Relativistic Quantum Mechanics: An Introduction to Relativistic Quantum Fields.

Table of Contents

The General Picture. Isotopic Spin and Strangeness. Yang Mills Theory. Electroweak Unification I. Spontaneous Symmetry Breaking. Electroweak Unification II. Determination of the Neutral Lepton Current. Quarks in Three Colors. Theory of Quark Mixing. Electroweak Interactions of Quarks. Digression: Violation of Isotopic Spin. Mixing and CP Violation in Neutral K, B, and D Mesons. Flavor-Changing Neutral Currents. The Search for the Higgs Boson. Appendices.

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Luciano Maiani is Emeritus Professor of Theoretical Physics at the University of Rome, La Sapienza. He is a member of the Italian Lincean Academy, a fellow of the American Physical Society, and author of more than 200 scientific publications on the theoretical physics of elementary particles. He has been president of the Italian Institute for Nuclear Physics (INFN), president of the Italian National Council for Research (CNR), and director-general of the European Organization for Nuclear Research (CERN), where he directed the crucial phases of the construction of the Large Hadron Collider (LHC). Together with S. Glashow and J. Iliopoulos, he predicted the charm quark, which forms an essential part of the unified theory of the weak and electromagnetic forces.