An Introduction to Relativistic Processes and the Standard Model of Electroweak Interactions by Carlo M. BecchiAn Introduction to Relativistic Processes and the Standard Model of Electroweak Interactions by Carlo M. Becchi

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

byCarlo M. Becchi, Giovanni Ridolfi

Hardcover | June 5, 2014

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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 now discussed. Finally, the neutrino mass and oscillation analysis is updated taking into account the major achievements of the last years.
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 E...
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Title:An Introduction to Relativistic Processes and the Standard Model of Electroweak InteractionsFormat:HardcoverDimensions:198 pagesPublished:June 5, 2014Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3319061291

ISBN - 13:9783319061290

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Table of Contents

Introduction.- Relativistic field theory.- Scattering theory.- Feynman.- Spinor fields.- Gauge symmetries.- The standard model.- Spontaneous breaking of the gauge symmetry.- Breaking of accidental symmetries.- Summary.- Applications.- Neutrino masses and mixing.- A. Large-time evolution of the free field.- B. Scattering from an external density.- C. Dirac matrices.- D. Violation of unitarity in the Fermi theory.- References.