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This book attempts to trace the key experimental developments that led to the discovery of weak neutral currents in 1973 and the W, Z bosons in 1983, all of the results of which culminated in the identification of the unified-electroweak force.
Annotation Proceedings of a conference held at Santa Monica, California, in February 1993. Papers are grouped in eight sections on: early discoveries in weak interactions, early developments in weak interaction theory, discovery of weak neutral currents, perspectives in the electroweak theory, flavor changing weak neutral currents, weak neutral currents and supernovae, weak neutral currents and biological handedness, and colliders and discoveries with them. No index. Annotation c. by Book News, Inc., Portland, Or.
This conference celebrated the discovery of neutral currents in neutrino interactions twenty years ago. History will mark the 1973 decisive experiments as the turning point of a new era in theoretical and experimental physics. The participants in the discovery retrace its circumstances and genesis, and all the present aspects of its heritage are reviewed: particle physics (the standard model has to date not been invalidated by the most precise experiments at LEP), atomic physics and astrophysics.
This book provides a novel introduction to the Standard Model of electroweak unification. It presents, in pedagogical form, a detailed derivation of the Standard Model from the high energy behavior of tree-level Feynman graphs. In this respect, the present text is unique among the existing monographs and textbooks on this subject, and fills a gap in the current literature on electroweak interactions.
Contents:Radiative Corrections in the Electroweak Standard Model (M Böhm & A Denner)Hadron Collider Physics (L G Pondrom)Lectures on Heavy Quark Effective Theory (B Grinstein)An Overview of Nonleptonic Decays of B, D, K Mesons and CP-Noninvariance (L-L Chau)Top Quark Physics (G L Kane)High Precision Radiative Corrections in the Semileptonic Decays of Hyperons (S R Juárez W)On the Decay W± → P>±γ (A Queijeiro)The Decay H0→γγ and Physics Beyond the Standard Model (M A Pérez & J J Toscano)Neutrino Masses and Double Beta Decay (J G Hirsch)Neutrino Oscillations in a Medium: Analytic Calculation of Nonadiabatic Transitions (J C D'Olivo)Gauge-Invariant Perturbation Theory Near a Gauge Resonance (R G Stuart)Lower Dimensional Divergences in Gauge Theories (M Vargas & J L L Martínez)Strange Stars: Which is the Ground State of QCD at Finite Baryon Number? (D Page)Experimental Signatures of the SU(5)cc Color Model (O F Hernández)Generalized Supersymmetric Quantum Mechanics (M Moreno & R M Méndez Moreno)Chern-Simons Theories in 2+1 Dimensions (L F Urrutia) Readership: High energy physicists. keywords:
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.
International Conference on Nuclear Structure presents the status of research in nuclear structure. This book covers the more traditional topics, including giant resonances, high-spin states, current and momentum distributions in nuclei, and single particle and collective excitations at low excitation energy. Organized into eight sessions, this book begins with an overview of the experiments with low momentum antiprotons. This text then examines the interaction between two free nucleons, which can be described by their scattering matrix, by their scattering cross sections, or by relativistic or nonrelativistic potentials. Other sessions consider the results on neutron-hole states in the Zr, Sn, and Pb region from pic-up measurements. This book discusses as well the progress in the investigation of high-spin magnetic observables in medium and heavy nuclei. The final chapter deals with the methods of performing measurements of neutrino masses. This book is a valuable resource for nuclear physicists, scientists, and research workers.
The book discusses the recent experimental results obtained at the LHC that involve electroweak bosons. The results are placed into an appropriate theoretical and historical context. The work pays special attention to the rising subject of hadronically decaying bosons with high boosts, documenting the state-of-the-art identification techniques and highlighting typical results. The text is not limited to electroweak physics in the strict sense, but also discusses the use of electroweak vector-bosons as tool in the study of other subjects in particle physics, such as determinations of the proton structure or the search for new exotic particles. The book is particularly well suited for graduate students, starting their thesis work on topics that involve electroweak bosons, as the book provides a comprehensive description of phenomena observable at current accelerators as well as a summary of the most relevant experimental techniques.