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Electroweak Theory

Electroweak Theory [Pdf/ePub] eBook

Electroweak Theory by E. A. Paschos Book Summary:

The electroweak theory unifies two basic forces of nature: the weak force and electromagnetism. This 2007 book is a concise introduction to the structure of the electroweak theory and its applications. It describes the structure and properties of field theories with global and local symmetries, leading to the construction of the standard model. It describes the particles and processes predicted by the theory, and compares them with experimental results. It also covers neutral currents, the properties of W and Z bosons, the properties of quarks and mesons containing heavy quarks, neutrino oscillations, CP-asymmetries in K, D, and B meson decays, and the search for Higgs particles. Each chapter contains problems, stemming from the long teaching experience of the author, to supplement the text. This will be of great interest to graduate students and researchers in elementary particle physics.

Fundamentals of Electroweak Theory

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Fundamentals of Electroweak Theory by Jiri Horejsi Book Summary:

This monograph of Prof. Horejší is based on a series of his lectures which took place at Faculty of Mathematics and Physics of Charles University during 1990s. The author gives a thorough and easy-to-read account of the basic principles of the standard model of electroweak interactions, describes various theories of electromagnetic and weak interactions, and explains the gauge theory of electroweak interactions. Five appendices expound on some special techniques of the Standard Model, used in the main body of the text. Thanks to the author's pedagogical skills and professional erudition, the book can be read just with a preliminary knowledge of quantum field theory.

Heavy Flavor and Electroweak Theory

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Heavy Flavor and Electroweak Theory by Chao-Hsi Chang,Chao-Shang Huang Book Summary:

The symposium focused on the following hot topics of particle physics, such as heavy flavor productions and decays; QCD corrections; EW symmetry breaking theories; precise tests of Standard Model and physics beyond Standard Model; CP violation and rare decays etc. There are 30 talks presented at the symposium by participants from all over the world, who are active in the forefront of the fields. Contents:Optimal Renormalization Scales and Commensurate Scale Relations (S J Brodsky & H L Lu)Top Quark Production Dynamics in QCD (E L Berger et al)QCD Sum Rule Analysis to SU(3) Symmetry Breaking on Heavy Mesons (T Huang & C W Luo)Gluon Fragmentation to Aligned Quarkonium (M Wise)η – B Mixing in the Nc Expansion (W A Bardeen)Spacelike Penguin Effects in Charmless B Meson Decays and CP Violation (D S Du)Semileponic-Inclusive Decays and the Structure of B Mesons (C Jin & E A Paschos)The 1/MQ Expansion in the B-S Formalism (C S Huang et al)Precision Tests of the Electroweak Sector of the Standard Model (J Ellis)Equivalence Theorem and Its Application to Studying the Sensitivity of Probing the Electroweak Symmetry Breaking Mechanism at the LHL (H J He et al)Top Quark Pair Production: Sensitivity to New Physics (S Parke)Summary of the International Symposium on Heavy Flavor and Electroweak Theory (R D Peccei) Readership: High energy physicists and particle physicists. keywords:

Advanced School on Electroweak Theory

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Advanced School on Electroweak Theory by D Espriu,A Pich Book Summary:

Contents:Quark Mixing and CP Violation (F J Gilman)Heavy Quark Effective Theory (A V Manohar)Introduction to Low-Energy Supersymmetry (G F Giudice)An Introduction to Dynamical Electroweak Symmetry Breaking (R S Chivukula)Hadron Colliders, the Top Quark, and the Higgs Sector (C Quigg)Physics Potential of LEP2 and NLC (R Miquel)Precision Tests of the Electroweak Theory (P Langacker) Readership: High energy physicists. Keywords:

Gauge Theories in Particle Physics, Volume II

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Gauge Theories in Particle Physics, Volume II by I.J.R. Aitchison,A.J.G. Hey Book Summary:

This is the second volume of the third edition of a successful text, now substantially enlarged and updated to reflect developments over the last decade in the curricula of university courses and in particle physics research. Volume I covered relativistic quantum mechanics, electromagnetism as a gauge theory, and introductory quantum field theory, and ended with the formulation and application of quantum electrodynamics (QED), including renormalization. Building on these foundations, this second volume provides a complete, accessible, and self-contained introduction to the remaining two gauge theories of the standard model of particle physics: quantum chromodynamics (QCD) and the electroweak theory. The treatment significantly extends that of the second edition in several important respects. Simple ideas of group theory are now incorporated into the discussion of non-Abelian symmetries. Two new chapters have been added on QCD, one devoted to the renormalization group and scaling violations in deep inelastic scattering and the other to non-perturbative aspects of QCD using the lattice (path-integral) formulation of quantum field theory; the latter is also used to illuminate various aspects of renormalization theory, via analogies with condensed matter systems. Three chapters treat the fundamental topic of spontaneous symmetry breaking: the (Bogoliubov) superfluid and the (BCS) superconductor are studied in some detail; one chapter is devoted to the implications of global chiral symmetry breaking in QCD; and one to the breaking of local SU(2)xU(1) symmetry in the electroweak theory. Weak interaction phenomenology is extended to include discussion of discrete symmetries and of the possibility that neutrinos are Majorana (rather than Dirac) particles. Most of these topics are normally found only in more advanced texts, and this is the first book to treat them in a manner accessible to the wide readership that the previous editions have attracted.

A Derivation of Electro-weak Theory Based on an Extension of Special Relativity, Black Hole Tachyons & Tachyons of Any Spin

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A Derivation of Electro-weak Theory Based on an Extension of Special Relativity, Black Hole Tachyons & Tachyons of Any Spin by Stephen Blaha Book Summary:

This book extends Special Relativity to include (Superluminal) transformations to reference frames moving at relative velocities greater than the speed of light. Within this framework tachyons of any spin can be defined and second quantized. Tachyons are shown to exist within Black Holes. Further considerations lead to the ElectroWeak Theory for one generation of leptons and quarks. Thus the general form of ElectroWeak theory, including a rationale for the form of parity violation, SU(2) x U(1), and left-handed doublets and right-handed singlets, is derived. Quark confinement is also shown to be necessary. A thorough study is made of tachyon quantization. Free tachyons are shown to violate parity and CPT invariance. Publisher's comments: Presents the first derivation of much of ElectroWeak Theory (the theory of electromagnetic and the weak interactions) from first principles!

Advanced School on Electroweak Theory

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Advanced School on Electroweak Theory by Domènec Espriu,Antonio Pich Book Summary:

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The Electroweak Unification Theory

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The Electroweak Unification Theory by Bernardo Adeva Andany Book Summary:

Supernovae explosion, combustion of solar hydrogen to form helium, heavy quark decay, or nuclear beta radiation, all weak interaction phenomena, are not unrelated to electromagnetism, but closely linked to it through the Higgs field. This ebook contains a modern introduction to the electroweak unification theory, as part of the so called Standard Model of particle physics. Not only some of the key theoretical ideas are exposed in a precise way, but also the experiments that revealed them. The main highlights of the theory consolidation process are examined which, concerning its experimental counterpart, span over 40 years, from the discovery of neutral currents in1973 to the Higgs boson in 2012. The reader is assumed to have been introduced to Quantum Mechanics and theories based on the gauge invariance principle, and to be familiar with Dirac’s theory for the relativistic electron. The course is specially suited for undergraduate students in physics, as part of an optional subject of elementary particles. The course consists in nine lectures, that on the blackboard take about 90 minutes each. It contains a very select collection of problems and exercises, having as a connecting thread the calculation of the lifetime of elementary fermions and bosons, as well as the comprehension of some experimental results of historical relevance.

Tests of Quantum Electrodynamics and Electroweak Theory Using the Reactions E+e− (into) Γγ(γ(γ)) and E+e− (into) E+e− at (square Root of S)

Electroweak Theory [Pdf/ePub] eBook

Tests of Quantum Electrodynamics and Electroweak Theory Using the Reactions E+e− (into) Γγ(γ(γ)) and E+e− (into) E+e− at (square Root of S) by Manuel Carlos Delfino Book Summary:

Download or read Tests of Quantum Electrodynamics and Electroweak Theory Using the Reactions E+e− (into) Γγ(γ(γ)) and E+e− (into) E+e− at (square Root of S) book by clicking button below to visit the book download website. There are multiple format available for you to choose (Pdf, ePub, Doc).

Gauge Theories in Particle Physics

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Gauge Theories in Particle Physics by I.J.R. Aitchison,A.J.G. Hey Book Summary:

This is the second volume of the third edition of a successful text, now substantially enlarged and updated to reflect developments over the last decade in the curricula of university courses and in particle physics research. Volume I covered relativistic quantum mechanics, electromagnetism as a gauge theory, and introductory quantum field theory, and ended with the formulation and application of quantum electrodynamics (QED), including renormalization. Building on these foundations, this second volume provides a complete, accessible, and self-contained introduction to the remaining two gauge theories of the standard model of particle physics: quantum chromodynamics (QCD) and the electroweak theory. The treatment significantly extends that of the second edition in several important respects. Simple ideas of group theory are now incorporated into the discussion of non-Abelian symmetries. Two new chapters have been added on QCD, one devoted to the renormalization group and scaling violations in deep inelastic scattering and the other to non-perturbative aspects of QCD using the lattice (path-integral) formulation of quantum field theory; the latter is also used to illuminate various aspects of renormalization theory, via analogies with condensed matter systems. Three chapters treat the fundamental topic of spontaneous symmetry breaking: the (Bogoliubov) superfluid and the (BCS) superconductor are studied in some detail; one chapter is devoted to the implications of global chiral symmetry breaking in QCD; and one to the breaking of local SU(2)xU(1) symmetry in the electroweak theory. Weak interaction phenomenology is extended to include discussion of discrete symmetries and of the possibility that neutrinos are Majorana (rather than Dirac) particles. Most of these topics are normally found only in more advanced texts, and this is the first book to treat them in a manner accessible to the wide readership that the previous editions have attracted.

Electroweak Interactions

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Electroweak Interactions by Luciano Maiani Book Summary:

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 Interactionsexplores 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.

'97 Electroweak Interactions and Unified Theories

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'97 Electroweak Interactions and Unified Theories by J. Thanh Van Tran Book Summary:

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Gauge Theories of the Strong and Electroweak Interaction

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Gauge Theories of the Strong and Electroweak Interaction by Manfred Böhm,Manfred Bohm,Ansgar Denner,Hans Joos Book Summary:

This textbook gives a comprehensive summary of the gauge theories of the fundamental interactions. The authors stress the intimate connection between the basic experimental facts and the formulation of gauge theories of the strong and electroweak interaction. The concepts and technical tools of quantum field theory are presented. They are used to derive precision results of quantum chromodynamics and the standard model of the electroweak interaction of experiments in elementary particle physics. The book includes the latest experimental results and presents the actual status of the theory.

'96 Electroweak Interactions and Unified Theories

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'96 Electroweak Interactions and Unified Theories by J. Thanh Van Tran Book Summary:

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Electro-weak Theory

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Electro-weak Theory by J. Bernabéu,Pedro Pascual Book Summary:

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Electroweak Interactions

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Electroweak Interactions by Peter Renton Book Summary:

A graduate-level description of how the theory of electroweak interactions, or so-called "Standard Model" unifies the weak and electromagnetic forces of nature in high energy physics.

Electroweak Interactions and Unified Theories

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Electroweak Interactions and Unified Theories by J. Thanh Van Tran Book Summary:

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'89 Electroweak Interactions and Unified Theories

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'89 Electroweak Interactions and Unified Theories by J. Thanh Van Tran Book Summary:

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Gauge Theories in Particle Physics: A Practical Introduction, Volume 2: Non-Abelian Gauge Theories

Electroweak Theory [Pdf/ePub] eBook

Gauge Theories in Particle Physics: A Practical Introduction, Volume 2: Non-Abelian Gauge Theories by Ian J R Aitchison,Anthony J.G. Hey Book Summary:

Volume 2 of this revised and updated edition provides an accessible and practical introduction to the two non-Abelian quantum gauge field theories of the Standard Model of particle physics: quantum chromodynamics (QCD) and the Glashow-Salam-Weinberg (GSW) electroweak theory.This volume covers much of the experimental progress made in the last ten y

Gauge Theories of the Strong, Weak, and Electromagnetic Interactions

Electroweak Theory [Pdf/ePub] eBook

Gauge Theories of the Strong, Weak, and Electromagnetic Interactions by Chris Quigg Book Summary:

This completely revised and updated graduate-level textbook is an ideal introduction to gauge theories and their applications to high-energy particle physics, and takes an in-depth look at two new laws of nature--quantum chromodynamics and the electroweak theory. From quantum electrodynamics through unified theories of the interactions among leptons and quarks, Chris Quigg examines the logic and structure behind gauge theories and the experimental underpinnings of today's theories. Quigg emphasizes how we know what we know, and in the era of the Large Hadron Collider, his insightful survey of the standard model and the next great questions for particle physics makes for compelling reading. The brand-new edition shows how the electroweak theory developed in conversation with experiment. Featuring a wide-ranging treatment of electroweak symmetry breaking, the physics of the Higgs boson, and the importance of the 1-TeV scale, the book moves beyond established knowledge and investigates the path toward unified theories of strong, weak, and electromagnetic interactions. Explicit calculations and diverse exercises allow readers to derive the consequences of these theories. Extensive annotated bibliographies accompany each chapter, amplify points of conceptual or technical interest, introduce further applications, and lead readers to the research literature. Students and seasoned practitioners will profit from the text's current insights, and specialists wishing to understand gauge theories will find the book an ideal reference for self-study. Brand-new edition of a landmark text introducing gauge theories Consistent attention to how we know what we know Explicit calculations develop concepts and engage with experiment Interesting and diverse problems sharpen skills and ideas Extensive annotated bibliographies

Electroweak Symmetry Breaking

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Electroweak Symmetry Breaking by Wolfgang Kilian Book Summary:

The systematic bottom-up approach provides the appropriate framework for interpreting measurements that will be performed to better understand the physics of mass generation in the universe. No knowledge of quantum field theory is required other than familiarity with effective Lagrangians and Feynmann diagrams.

String Theory and Fundamental Interactions

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String Theory and Fundamental Interactions by Maurizio Gasperini,Jnan Maharana Book Summary:

This book has been prepared to celebrate the 65th birthday of Gabriele Veneziano and his retirement from CERN in September 2007. This reti- ment certainly will not mark the end of his extraordinary scienti?c career (in particular, he will remain on the permanent sta? of the Coll` ege de France in Paris), but we believe that this important step deserves a special celebration, and an appropriate recognition of his monumental contribution to physics. Our initial idea of preparing a volume of Selected papers of Professor Gabriele Veneziano, possibly with some added commentary, was dismissed when we realized that this format of book, very popular in former times, has become redundant today because of the full “digitalization” of all important physical journals, and their availability online in the electronic archives. We have thus preferred an alternative (and unconventional, but probably more e?ective) form of celebrating Gabriele’s birthday: a collection of new papers written by his main collaborators and friends on the various aspects of th- retical physics that have been the object of his research work, during his long and fruitful career.

Quantum Field Theory

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Quantum Field Theory by Franz Mandl,Graham Shaw Book Summary:

Following on from the successful first (1984) and revised (1993) editions, this extended and revised text is designed as a short and simple introduction to quantum field theory for final year physics students and for postgraduate students beginning research in theoretical and experimental particle physics. The three main objectives of the book are to: Explain the basic physics and formalism of quantum field theory To make the reader proficient in theory calculations using Feynman diagrams To introduce the reader to gauge theories, which play a central role in elementary particle physics. Thus, the first ten chapters deal with QED in the canonical formalism, and are little changed from the first edition. A brief introduction to gauge theories (Chapter 11) is then followed by two sections, which may be read independently of each other. They cover QCD and related topics (Chapters 12-15) and the unified electroweak theory (Chapters 16 - 19) respectively. Problems are provided at the end of each chapter. New to this edition: Five new chapters, giving an introduction to quantum chromodynamics and the methods used to understand it: in particular, path integrals and the renormalization group. The treatment of electroweak interactions has been revised and updated to take account of more recent experiments.

Trapped Charged Particles and Fundamental Interactions

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Trapped Charged Particles and Fundamental Interactions by Habil Klaus Blaum,Frank Herfurth Book Summary:

Storageandcoolingtechniquesforchargedparticlesgainmoreandmoreimportance in various areas of modern science. They developed into a universal tool especially when used for precision measurements. For this purpose, there are mainly two types ofiontrapsinuse:radiofrequency quadrupole (Paul)trapswhichuseatime-varying quadrupolar electric ?eld applied to the electrodes for con?nement and Penning traps where a superposition of a homogeneous magnetic ?eld with a weak el- trostatic quadrupolar ?eld is used. Already the very ?rst experiments in ion traps, performed by their inventors Wolfgang Paul and Hans Dehmelt, paved the way for astonishingly precise measurements of fundamental quantities like the electron and positron g-factors and the ?ne-structure constant ?. Their work was honored with the Nobel Prize in physics for “the development of the ion trap technique” in 1989. Sincethenmanyexperimental physicistsworldwidehavebeenusinganddeveloping different kinds of ion traps. Today, ion traps are applied widely for instance in mass spectrometry, metrology, plasma physics, molecular and cluster physics, quantum computing, atomic and nuclear physics as well as in chemistry. Precise investigations are able to link measurable quantities to fundamental - pects of physics. Due to the achievable precision, ion traps have been used for this subjectandattractedaconferenceseries“TrappedChargedParticlesandFundam- tal Interactions.” Along the main idea of that conference we organized a Heraeus Winter School that took place in Hirschegg, Austria, in spring 2006. Inspired by the success and the interest from the students we planned a book that should contain the key components of the school: interesting, introductory and up-to-date lectures connected with ion traps.

Gauge Theories in Particle Physics, Third Edition - 2 volume set

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Gauge Theories in Particle Physics, Third Edition - 2 volume set by Ian J.R. Aitchison,I.J.R. Aitchison,A.J.G. Hey,Anthony J.G. Hey Book Summary:

This two-volume set provides an accessible, practical, and comprehensive introduction to the three gauge theories of the standard model of particle physics: quantum electrodynamics (QED), quantum chromodynamics (QCD), and the electroweak theory. For each of them, the authors provide a thorough discussion of the main conceptual points, a detailed exposition of many practical calculations of physical quantities, and a comparison of these quantitative predictions with experimental results. For this third edition, much has been rewritten to reflect developments over the last decade, both in the curricula of university courses and in particle physics research. On the one hand, substantial new material has been introduced that is intended for use in undergraduate physics courses. New introductory chapters provide a precise historical account of the properties of quarks and leptons and a qualitative overview of the quantum field description of their interactions, at a level appropriate to third year courses. The chapter on relativistic quantum mechanics has been enlarged and is supplemented by additional sections on scattering theory and Green functions, in a form appropriate to fourth-year courses. On the other hand, since precision experiments now test the theories beyond lowest order in perturbation theory, an understanding of the data requires a more sophisticated knowledge of quantum field theory, including ideas of renormalization. The treatment of quantum field theory has therefore been considerably extended to provide a uniquely accessible and self-contained introduction to quantum field dynamics as described by Feynman graphs. The level is suitable for advanced fourth-year undergraduates and first-year graduates. These developments are all contained in the first volume, which ends with a discussion of higher order corrections in QED. The second volume is devoted to the non-Abelian gauge theories of QCD and the electroweak theory. As in the first two editions, emphasis is placed throughout on developing realistic calculations from a secure physical and conceptual basis.

Elementary-Particle Physics

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Elementary-Particle Physics by National Research Council,Division on Engineering and Physical Sciences,Commission on Physical Sciences, Mathematics, and Applications,Board on Physics and Astronomy,Physics Survey Committee,Elementary-Particle Physics Panel Book Summary:

Part of the Physics in a New Era series of assessments of the various branches of the field, Elementary-Particle Physics reviews progress in the field over the past 10 years and recommends actions needed to address the key questions that remain unanswered. It explains in simple terms the present picture of how matter is constructed. As physicists have probed ever deeper into the structure of matter, they have begun to explore one of the most fundamental questions that one can ask about the universe: What gives matter its mass? A new international accelerator to be built at the European laboratory CERN will begin to explore some of the mechanisms proposed to give matter its heft. The committee recommends full U.S. participation in this project as well as various other experiments and studies to be carried out now and in the longer term.

Progress in Electroweak Interactions

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Progress in Electroweak Interactions by J. Thanh Van Tran Book Summary:

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Dynamical Symmetry Breaking In Quantum Field Theories

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Dynamical Symmetry Breaking In Quantum Field Theories by Vladimir A Miransky Book Summary:

The phenomenon of dynamical symmetry breaking (DSB) in quantum field theory is discussed in a detailed and comprehensive way. The deep connection between this phenomenon in condensed matter physics and particle physics is emphasized. The realizations of DSB in such realistic theories as quantum chromodynamics and electroweak theory are considered. Issues intimately connected with DSB such as critical phenomenona and effective lagrangian approach are also discussed.

Metaphor and Analogy in the Sciences

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Metaphor and Analogy in the Sciences by F. Hallyn Book Summary:

This collection of papers contains historical case studies, systematic contributions of a general nature, and applications to specific sciences. The bibliographies of the contributions contain references to all central items from the traditions that are relevant today. While providing access to contemporary views on the issue, the papers illustrate the wide variety of functions of metaphors and analogies, as well as the many connections between the study of some of these functions and other subjects and disciplines.

Proceedings of the Conference on Tests of Electroweak Theories

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Proceedings of the Conference on Tests of Electroweak Theories by B. W. Lynn,Claudio Verzegnassi Book Summary:

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Constraints on Extended Electroweak Theories

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Constraints on Extended Electroweak Theories by Fredrick Iver Olness Book Summary:

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Introduction to Gauge Field Theory Revised Edition

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Introduction to Gauge Field Theory Revised Edition by D. Bailin,Alexander Love Book Summary:

Introduction to Gauge Field Theory provides comprehensive coverage of modern relativistic quantum field theory, emphasizing the details of actual calculations rather than the phenomenology of the applications. Forming a foundation in the subject, the book assumes knowledge of relativistic quantum mechanics, but not of quantum field theory. The book is ideal for graduate students, advanced undergraduates, and researchers in the field of particle physics.

The Pinch Technique and its Applications to Non-Abelian Gauge Theories

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The Pinch Technique and its Applications to Non-Abelian Gauge Theories by John M. Cornwall,Joannis Papavassiliou,Daniele Binosi Book Summary:

Non-Abelian gauge theories, such as quantum chromodynamics (QCD) or electroweak theory, are best studied with the aid of Green's functions that are gauge-invariant off-shell, but unlike for the photon in quantum electrodynamics, conventional graphical constructions fail. The Pinch Technique provides a systematic framework for constructing such Green's functions, and has many useful applications. Beginning with elementary one-loop examples, this book goes on to extend the method to all orders, showing that the Pinch Technique is equivalent to calculations in the background field Feynman gauge. The Pinch Technique Schwinger-Dyson equations are derived, and used to show how a dynamical gluon mass arises in QCD. Applications are given to the center vortex picture of confinement, the gauge-invariant treatment of resonant amplitudes, the definition of non-Abelian effective charges, high-temperature effects, and even supersymmetry. This book is ideal for elementary particle theorists and graduate students.

Introduction to Elementary Particle Physics

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Introduction to Elementary Particle Physics by Alessandro Bettini Book Summary:

Provides fully updated coverage of undergraduate particle physics, including the Higgs boson discovery, with an emphasis on physics over mathematics.

Higgs

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Higgs by Jim Baggott Book Summary:

The hunt for the Higgs particle has involved the biggest, most expensive experiment ever. So exactly what is this particle? Why does it matter so much? What does it tell us about the Universe? Did the discovery announced on 4 July 2012 finish the search? And was finding it really worth all the effort? The short answer is yes. The Higgs field is proposed as the way in which particles gain mass - a fundamental property of matter. It's the strongest indicator yet that the Standard Model of physics really does reflect the basic building blocks of our Universe. Little wonder the hunt and discovery of this new particle produced such intense media interest. Here, Jim Baggott explains the science behind the discovery, looking at how the concept of a Higgs field was invented, how the vast experiment was carried out, and its implications on our understanding of all mass in the Universe.

Gauge Theories of Strong and Electroweak Interactions

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Gauge Theories of Strong and Electroweak Interactions by Peter Becher,Manfred Böhm (Dr. rer. nat.),Manfred Bohm,Hans Joos Book Summary:

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Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics

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Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics by Khavtgain Namsrai,K.H. Namsrai Book Summary:

over this stochastic space-time leads to the non local fields considered by G. V. Efimov. In other words, stochasticity of space-time (after being averaged on a large scale) as a self-memory makes the theory nonlocal. This allows one to consider in a unified way the effect of stochasticity (or nonlocality) in all physical processes. Moreover, the universal character of this hypothesis of space-time at small distances enables us to re-interpret the dynamics of stochastic particles and to study some important problems of the theory of stochastic processes [such as the relativistic description of diffusion, Feynman type processes, and the problem of the origin of self-turbulence in the motion of free particles within nonlinear (stochastic) mechanics]. In this direction our approach (Part II) may be useful in recent developments of the stochastic interpretation of quantum mechanics and fields due to E. Nelson, D. Kershaw, I. Fenyes, F. Guerra, de la Pena-Auerbach, J. -P. Vigier, M. Davidson, and others. In particular, as shown by N. Cufaro Petroni and J. -P. Vigier, within the discussed approach, a causal action-at-distance interpretation of a series of experiments by A. Aspect and his co-workers indicating a possible non locality property of quantum mechanics, may also be obtained. Aspect's results have recently inspired a great interest in different nonlocal theories and models devoted to an understanding of the implications of this nonlocality. This book consists of two parts.

An Invitation to Quantum Field Theory

Electroweak Theory [Pdf/ePub] eBook

An Invitation to Quantum Field Theory by Luis Alvarez-Gaumé,Miguel A. Vázquez-Mozo Book Summary:

This book provides an introduction to Quantum Field Theory (QFT) at an elementary level—with only special relativity, electromagnetism and quantum mechanics as prerequisites. For this fresh approach to teaching QFT, based on numerous lectures and courses given by the authors, a representative sample of topics has been selected containing some of the more innovative, challenging or subtle concepts. They are presented with a minimum of technical details, the discussion of the main ideas being more important than the presentation of the typically very technical mathematical details necessary to obtain the final results. Special attention is given to the realization of symmetries in particle physics: global and local symmetries, explicit, spontaneously broken, and anomalous continuous symmetries, as well as discrete symmetries. Beyond providing an overview of the standard model of the strong, weak and electromagnetic interactions and the current understanding of the origin of mass, the text enumerates the general features of renormalization theory as well as providing a cursory description of effective field theories and the problem of naturalness in physics. Among the more advanced topics the reader will find are an outline of the first principles derivation of the CPT theorem and the spin-statistics connection. As indicated by the title, the main aim of this text is to motivate the reader to study QFT by providing a self-contained and approachable introduction to the most exciting and challenging aspects of this successful theoretical framework.

Perspectives of Electroweak Interactions

Electroweak Theory [Pdf/ePub] eBook

Perspectives of Electroweak Interactions by J. Thanh Van Tran Book Summary:

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