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An Introduction to Relativistic Processes and the Standard Model of Electroweak Interactions

  • Textbook
  • © 2014

Overview

Authors:
  1. Carlo M. Becchi

    1. University of Genova, Genova, Italy

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  2. Giovanni Ridolfi

    1. University of Genova, Genova, Italy

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    You can also search for this author in PubMed   Google Scholar

  • Reviews the basic tools for the calculation of cross sections and decay rates in the context of relativistic quantum field theory
  • Illustrates the unified field theory of electromagnetic and weak interactions as a quantum field theory with spontaneously broken gauge invariance
  • Describes the most recent developments in electroweak phenomenology
  • Includes supplementary material: sn.pub/extras

Part of the book series: UNITEXT for Physics (UNITEXTPH)

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Table of contents (13 chapters)

  1. Front Matter

    Pages i-ix
    Download chapter PDF

  2. Introduction

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 1-3

  3. Relativistic Field Theory

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 5-15

  4. Scattering Theory

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 17-39

  5. Feynman Diagrams

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 41-57

  6. Spinor Fields

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 59-72

  7. Gauge Symmetries

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 73-87

  8. The Standard Model

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 89-100

  9. Spontaneous Breaking of the Gauge Symmetry

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 101-115

  10. Breaking of Accidental Symmetries

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 117-123

  11. Summary

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 125-131

  12. Applications

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 133-146

  13. Beyond the Classical Approximation

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 147-166

  14. Neutrino Masses and Mixing

    • Carlo M. Becchi, Giovanni Ridolfi
    Pages 167-174

  15. Back Matter

    Pages 175-198
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Keywords

About this book

This book offers a self-contained introduction to the theory of electroweak interactions based on the semi-classical approach to relativistic quantum field theory, with thorough discussion of key aspects of the field. The basic tools for the calculation of cross sections and decay rates in the context of relativistic quantum field theory are reviewed in a short, but complete and rigorous, presentation. Special attention is focused on relativistic scattering theory and on calculation of amplitude in the semi-classical approximation. The central part of the book is devoted to an illustration of the unified field theory of electromagnetic and weak interactions as a quantum field theory with spontaneously broken gauge invariance; particular emphasis is placed on experimental confirmations of the theory. The closing chapters address the most recent developments in electroweak phenomenology and provide an introduction to the theory and phenomenology of neutrino oscillations. In this 2nd edition the discussion of relativistic scattering processes in the semi-classical approximation has been revised and as a result intermediate results are now explicitly proven. Furthermore, the recent discovery of the Higgs boson is now taken into account throughout the book. In particular, the Higgs decay channel into a pair of photons, which has played a crucial role in the discovery, is discussed.
As in the first edition, the accent is still on the semi-classical approximation. However, in view of the necessity of a discussion of H !, the authors give several indications about corrections to the semiclassical approximation. Violation of unitarity is discussed in more detail, including the dispersion relations as a tool for computing loop corrections; the above-mentioned Higgs decay channel is illustrated by means of a full one-loop calculation; and finally, loop effects on the production of unstable particles (such as the Z0 boson) are nowdiscussed. Finally, the neutrino mass and oscillation analysis is updated taking into account the major achievements of the last years.

Authors and Affiliations

  • University of Genova, Genova, Italy

    Carlo M. Becchi, Giovanni Ridolfi

About the authors

Carlo M. Becchi is full professor in Theoretical Physics at the University of Genoa since 1976. He is an expert in quantum gauge theories and renormalization, he is one of the discoverers of the Becchi-Rouet-Stora transformation which is now a basic tool for the quantization of systems with constraints. Carlo M. Becchi is Supervisory Editor of Nuclear Physics B.

Giovanni Ridolfi received his doctorate in physics from University of Genoa, Italy, in 1989, and has held research appointments at CERN, Geneva and at the italian Istituto Nazionale di Fisica Nucleare. He is now full Professor of Theoretical Physics at the University of Genoa, Italy. His research interests are in the field of phenomenology of fundamental interactions.

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