Direct Cp Violation In B To S Gamma Decays
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Direct Cp Violation In B To S Gamma Decays
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Author :
language : en
Publisher:
Release Date : 2005
Direct Cp Violation In B To S Gamma Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Direct Cp Violation In B To S Gamma Decays
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Author : A. Eichenbaum
language : en
Publisher:
Release Date : 2004
Direct Cp Violation In B To S Gamma Decays written by A. Eichenbaum and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
This dissertation describes a measurement of the direct CP asymmetry between inclusive b {yields} s{gamma} and {bar b} {yields} {bar s}{gamma} decays. This asymmetry is expected to be less than 0.01 in the Standard Model, but could be enhanced up to the order of 0.10 by non-Standard Model contributions. We use a sample of 89 million B{bar B} pairs recorded with the BABAR detector at PEP-II, from which we reconstruct a set of 12 exclusive b {yields} s{gamma} final states containing one charged or neutral kaon and one to three pions. We measure an asymmetry of A{sub CP} (b {yields} s{gamma}) = 0.025 {+-} 0.050(stat.) {+-} 0.015(syst.), corresponding to an allowed range of -0.06
Studies Of Cp Violation In Charmless Three Body B Hadron Decays
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Author : Daniel O'Hanlon
language : en
Publisher: Springer
Release Date : 2018-11-02
Studies Of Cp Violation In Charmless Three Body B Hadron Decays written by Daniel O'Hanlon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-02 with Science categories.
This book highlights two essential analyses of data collected during the LHCb experiment, based on the Large Hadron Collider at CERN. The first comprises the first observation and studies of matter-antimatter asymmetries in two three-body b-baryon decays, paving the way for more precise measurements of the relatively unknown decay properties of b-baryon decays. The second is an analysis of a charged B meson decay to three charged pions, where previously large matter-antimatter asymmetries were observed in a model-independent analysis. Here a model of the decay amplitude is constructed using the unitarity-conserving ‘K-matrix’ model for the scalar contributions, so as to gain an understanding of how the previously observed matter-antimatter asymmetries arise; further, the model’s construction yields the most precise and comprehensive study of this decay mode to date.
Direct Cp Violation In B S Gamma Decays
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Author : Andrew Eichenbaum
language : en
Publisher:
Release Date : 2004
Direct Cp Violation In B S Gamma Decays written by Andrew Eichenbaum and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Gauge Theories In Particle Physics A Practical Introduction Fourth Edition 2 Volume Set
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Author : Ian J.R. Aitchison
language : en
Publisher: CRC Press
Release Date : 2021-01-14
Gauge Theories In Particle Physics A Practical Introduction Fourth Edition 2 Volume Set written by Ian J.R. Aitchison and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-14 with Science categories.
The fourth edition of this well-established, highly regarded two-volume set continues to provide a fundamental introduction to advanced particle physics while incorporating substantial new experimental results, especially in the areas of CP violation and neutrino oscillations. It offers an accessible and practical introduction to the three gauge theories included in the Standard Model of particle physics: quantum electrodynamics (QED), quantum chromodynamics (QCD), and the Glashow-Salam-Weinberg (GSW) electroweak theory. In the first volume, a new chapter on Lorentz transformations and discrete symmetries presents a simple treatment of Lorentz transformations of Dirac spinors. Along with updating experimental results, this edition also introduces Majorana fermions at an early stage, making the material suitable for a first course in relativistic quantum mechanics. Covering much of the experimental progress made in the last ten years, the second volume remains focused on the two non-Abelian quantum gauge field theories of the Standard Model: QCD and the GSW electroweak theory. A new chapter on CP violation and oscillation phenomena describes CP violation in B-meson decays as well as the main experiments that have led to our current knowledge of mass-squared differences and mixing angles for neutrinos. Exploring a new era in particle physics, this edition discusses the exciting discovery of a boson with properties consistent with those of the Standard Model Higgs boson. It also updates many other topics, including jet algorithms, lattice QCD, effective Lagrangians, and three-generation quark mixing and the CKM matrix. This revised and updated edition provides a self-contained pedagogical treatment of the subject, from relativistic quantum mechanics to the frontiers of the Standard Model. For each theory, the authors discuss the main conceptual points, detail many practical calculations of physical quantities from first principles, and compare these quantitative predictions with experimental results, helping readers improve both their calculation skills and physical insight.
New Era For Cp Asymmetries Axions And Rare Decays Of Hadrons And Leptons
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Author : Ikaros I Bigi
language : en
Publisher: World Scientific
Release Date : 2021-07-14
New Era For Cp Asymmetries Axions And Rare Decays Of Hadrons And Leptons written by Ikaros I Bigi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-14 with Science categories.
This book is dedicated to Lev Okun, who passed away in November 2015. He was a true pioneer in probing fundamental dynamics.The book has two objectives. First is to showcase Okun's impact for decades since 1963, when he published his remarkable book Weak Interaction of Elementary Particles. Second is to present the current progress of our scientific community in the studies of our Universe. New directions and possible future developments are discussed, often using the past as a guide. The authors mostly focus on CP asymmetries in the transitions of hadrons and leptons, but they also discuss their rare decays, and talk about axions and supersymmetry, and possible connections with dark matter, extra dimensions, baryogenesis and multiverse.This book is suitable for readers who know quantum mechanics and quantum field theories in general.
Gauge Theory Of Weak Decays
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Author : Andrzej Buras
language : en
Publisher: Cambridge University Press
Release Date : 2020-07-02
Gauge Theory Of Weak Decays written by Andrzej Buras and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-02 with Science categories.
"The ultimate question of elementary particle physics is: What is the fundamental Lagrangian of nature surrounding us? The Lagrangian of the SM is very successful in describing nature at the currently available energy range. The discovery of the Higgs boson completed the particle spectrum of the SM and it is another proof of how well the SM works. Nevertheless the SM cannot be the end of the story and it is for sure not the fundamental Lagrangian of nature. The Lagrangian of the SM looses its validity at the latest at the Planck scale where gravitational effects become noticeable.Most physicists think of the SM as an effective theory that has to be replaced by a more fundamental theory above the TeV scale. What the word effective really means will hopefully be clear at later stages of our book. For the time being we will list some problems and open questions of the SM"--
Supersymmetric And Noncommutative Phenomenology
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Author : Nicholas Stephen Kersting
language : en
Publisher:
Release Date : 2002
Supersymmetric And Noncommutative Phenomenology written by Nicholas Stephen Kersting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Particle Physics
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Author : Brian R. Martin
language : en
Publisher: John Wiley & Sons
Release Date : 2016-11-16
Particle Physics written by Brian R. Martin and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-16 with Science categories.
An accessible and carefully structured introduction to Particle Physics, including important coverage of the Higgs Boson and recent progress in neutrino physics. Fourth edition of this successful title in the Manchester Physics series Includes information on recent key discoveries including: An account of the discovery of exotic hadrons, byond the simple quark model; Expanded treatments of neutrino physics and CP violation in B-decays; An updated account of ‘physics beyond the standard model’, including the interaction of particle physics with cosmology Additional problems in all chapters, with solutions to selected problems available on the book’s website Advanced material appears in optional starred sections
Supersymmetry Supergravity And Superstring Proceedings Of The Kias Ctp International Symposium
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Author : Jihn E Kim
language : en
Publisher: World Scientific
Release Date : 2000-06-27
Supersymmetry Supergravity And Superstring Proceedings Of The Kias Ctp International Symposium written by Jihn E Kim and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-06-27 with Science categories.
Supersymmetry, supergravity and superstring are the most popular research topics in particle physics. In particular, the phenomenological studies beyond the standard model have become very popular in view of possible identification or exclusion of supersymmetric particles in the future. Also, the lightest supersymmetric particle in most supersymmetric models can be a good candidate for dark matter in the universe.The recent developments in supersymmetry with important applications to particle physics are the main theme of this book, which includes superstring calculations with D-branes, TeV-scale gravity, superstring- and supergravity-inspired interactions, supersymmetric GUT, supergravity phenomenology, and cosmological implications of LSP.