Lepton Flavour Violation in Supersymmetric Grand Unified Theories

Lepton Flavour Violation in Supersymmetric Grand Unified Theories PDF Author: Antonio Faccia
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Lepton Flavour Violation in Supersymmetric Grand Unified Theories

Lepton Flavour Violation in Supersymmetric Grand Unified Theories PDF Author: Antonio Faccia
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Unification and Supersymmetry

Unification and Supersymmetry PDF Author: Rabindra N. Mohapatra
Publisher: Springer Science & Business Media
ISBN: 1475743734
Category : Science
Languages : en
Pages : 420

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Book Description
Derived from a course given at the University of Maryland for advanced graduate students, this book deals with some of the latest developments in our attempts to construct a unified theory of the fundamental interactions of nature. Among the topics covered are spontaneous symmetry breaking, grand unified theories, supersymmetry, and supergravity. The book starts with a quick review of elementary particle theory and continues with a discussion of composite quarks, leptons, Higgs bosons, and CP violation; it concludes with consideration of supersymmetric unification schemes, in which bosons and leptons are considered in some sense equivalent. The second edition is updated and corrected and contains new chapters on recent developments. From reviews of the first edition: "This book captures the exciting developments of grand unification and supersymmetry of fundamental interactions in quantum field theory... gives a self-contained field-theoretic treatment of the complete subject... almost every possible development is included here." #Mathematical Reviews#1

Supersymmetric Grand Unified Theories

Supersymmetric Grand Unified Theories PDF Author: Stuart Raby
Publisher: Springer
ISBN: 3319552554
Category : Science
Languages : en
Pages : 426

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Book Description
These course-tested lectures provide a technical introduction to Supersymmetric Grand Unified Theories (SUSY GUTs), as well as a personal view on the topic by one of the pioneers in the field. While the Standard Model of Particle Physics is incredibly successful in describing the known universe it is, nevertheless, an incomplete theory with many free parameters and open issues. An elegant solution to all of these quandaries is the proposed theory of SUSY GUTs. In a GUT, quarks and leptons are related in a simple way by the unifying symmetry and their electric charges are quantized, further the relative strength of the strong, weak and electromagnetic forces are predicted. SUSY GUTs additionally provide a framework for understanding particle masses and offer candidates for dark matter. Finally, with the extension of SUSY GUTs to string theory, a quantum-mechanically consistent unification of the four known forces (including gravity) is obtained. The book is organized in three sections: the first section contains a brief introduction to the Standard Model, supersymmetry and the Minimal Supersymmetric Standard Model. Then SUSY GUTs in four space-time dimensions are introduced and reviewed. In addition, the cosmological issues concerning SUSY GUTs are discussed. Then the requirements for embedding a 4D SUSY GUT into higher-dimensional theories including gravity (i.e. String Theory) are investigated. Accordingly, section two of the course is devoted to discussing the so-called Orbifold GUTs and how in turn they solve some of the technical problems of 4D SUSY GUTs. Orbifold GUTs introduce a new set of open issues, which are then resolved in the third section in which it is shown how to embed Orbifold GUTs into the E(8) x E(8) Heterotic String in 10 space-time dimensions.

Grand Unified Theories: Current Status and Future Prospects

Grand Unified Theories: Current Status and Future Prospects PDF Author: Takeshi Fukuyama
Publisher: AIP Conference Proceedings (Nu
ISBN:
Category : Science
Languages : en
Pages : 290

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Book Description
We are confronting unprecedented situations that astrophysical observation meets with high energy physics. The discoveries of dark matter and dark energy as well as neutrino masses indicate the theory beyond the Standard Model, which could be the Grand Unified Theory (GUT). In this proceeding, the GUT is intensively discussed from the various points of views.

Unification and Supersymmetry

Unification and Supersymmetry PDF Author: Rabindra Nath Mohapatra
Publisher:
ISBN:
Category : Grand unified theories (Nuclear physics).
Languages : en
Pages : 336

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New Initiatives On Lepton Flavor Violation And Neutrino Oscillation With High Intense Muon And Neutrino Sources

New Initiatives On Lepton Flavor Violation And Neutrino Oscillation With High Intense Muon And Neutrino Sources PDF Author: Yoshitaka Kuno
Publisher: World Scientific
ISBN: 981448802X
Category : Science
Languages : en
Pages : 262

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Book Description
The area of physics involving muons and neutrinos has become exciting in particle physics. Using their high intensity sources, physicists undertake, in various ways, extensive searches for new physics beyond the Standard Model, such as tests of supersymmetric grand unification (SUSY-GUT) and precision measurements of the muon and neutrino properties, which will in future extend to ambitious studies such as determination of the three-generation neutrino mixing matrix elements and CP violation in the lepton sector. The physics of this field is advancing, with potential improvements of the sources. Many R&D projects, such as those concerning high intensity, low energy muon sources or a neutrino factory, are being carried out or planned at various places. Some of those topics are included in this book.

Supersymmetry: Structure and Phenomena

Supersymmetry: Structure and Phenomena PDF Author: Nir Polonsky
Publisher: Springer Science & Business Media
ISBN: 3540446427
Category : Science
Languages : en
Pages : 161

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Book Description
The book is a fairly non-technical introduction to modern supersymmetry phenomenology, approaching the subject in new and unique ways. It is suitable both for theorists and experimentalists, and emphasizes an intuitive grasp of the subject. Theoretical and experimental motivations, and the status and prospects of low-energy supersymmetry are discussed. It is shown by explicit construction that the stabilization of any perturbative theory which contains fundamental scalar bosons naturally leads to the notion of supersymmetry. The minimal supersymmetric extension of the standard model is then pedagogically defined and its experimental status is summarized. Renormalization of the models, including unificaiton, is discussed and the linkage between high and low energies is demonstrated, providing a potential probe of Planck-scale physics, such as unified theories. Besides a host of other phenomena, Higgs physics is discussed and the Higgs mass is shown to provide a crucial test of nearly all supersymmetric theories.

Neutrinos in High Energy and Astroparticle Physics

Neutrinos in High Energy and Astroparticle Physics PDF Author: Jose Wagner Furtado Valle
Publisher: John Wiley & Sons
ISBN: 3527411976
Category : Science
Languages : en
Pages : 450

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Book Description
This self-contained modern textbook provides a modern description of the Standard Model and its main extensions from the perspective of neutrino physics. In particular it includes a thorough discussion of the varieties of seesaw mechanism, with or without supersymmetry. It also discusses schemes where neutrino mass arises from lighter messengers, which might lie within reach of the world's largest particle accelerator, the Large Hadron Collider. Throughout the text, the book stresses the role of neutrinos due to the fact that neutrino properties may serve as a guide to the correct model of unification, hence for a deeper understanding of high energy physics, and because neutrinos play an important role in astroparticle physics and cosmology. Each chapter includes summaries and set of problems, as well as further reading.

Lepton Flavor Violation at LEP II and Beyond

Lepton Flavor Violation at LEP II and Beyond PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 11

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Book Description
At present, two fundamental mysteries in particle physics are the origins of electroweak symmetry breaking and the fermion mass matrices. The experimental discovery of superpartners would represent enormous progress in the understanding of electroweak symmetry breaking, but would it also allow progress on the flavor problem? To date, nearly all experimental studies of supersymmetry have ignored the possibility of flavor mixings in the sfermion sector. However, since all superpartners must be given masses, all supersymmetric theories necessarily allow for the possibility of new flavor mixings beyond the standard model. In addition, there are now many supersymmetric theories of flavor, which predict a wide variety of superpartner flavor mixings. In this study, the author examines the possibility of measuring these mixings at LEP II and the Next Linear Collider (NLC). Rare flavor changing processes, such as [mu] → e[gamma], [tau] → [mu][gamma], [tau] → e[gamma], b → s[gamma], and neutral meson mixing, already provide important constraints on the sfermion flavor mixings through the virtual effects of superpartners. However, as will be seen below, once superpartners are discovered, it will be possible to probe these mixings much more powerfully by directly observing the change in flavor occurring at the superpartner production and decay vertices.

Seventy Years of Double Beta Decay

Seventy Years of Double Beta Decay PDF Author: Hans Volker Klapdor-Kleingrothaus
Publisher: World Scientific
ISBN: 9812832351
Category : Science
Languages : en
Pages : 1559

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Book Description
In the last 20 years the disciplines of particle physics, astrophysics, nuclear physics and cosmology have grown together in an unprecedented way. A brilliant example is nuclear double beta decay, an extremely rare radioactive decay mode, which is one of the most exciting and important fields of research in particle physics at present and the flagship of non-accelerator particle physics. While already discussed in the 1930s, only in the 1980s was it understood that neutrinoless double beta decay can yield information on the Majorana mass of the neutrino, which has an impact on the structure of space-time. Today, double beta decay is indispensable for solving the problem of the neutrino mass spectrum and the structure of the neutrino mass matrix. The potential of double beta decay has also been extended such that it is now one of the most promising tools for probing beyond-the-standard-model particle physics, and gives access to energy scales beyond the potential of future accelerators. This book presents the breathtaking manner in which achievements in particle physics have been made from a nuclear physics process. Consisting of a 150-page highly factual overview of the field of double beta decay and a 1200-page collection of the most important original articles, the book outlines the development of double beta decay research theoretical and experimental from its humble beginnings until its most recent achievements, with its revolutionary consequences for the theory of particle physics. It further presents an outlook on the exciting future of the field.