Phenomenological Aspects of Beyond the Standard Model Theories at the LHC

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (111 download)

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Book Synopsis Phenomenological Aspects of Beyond the Standard Model Theories at the LHC by : Patrick Bernhard Schaefers

Download or read book Phenomenological Aspects of Beyond the Standard Model Theories at the LHC written by Patrick Bernhard Schaefers and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Phenomenological Aspects of 'Beyond the Standard Model' Theories at the LHC.

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Phenomenological Aspects of 'Beyond the Standard Model' Theories at the LHC. by : Patrick Bernhard Schaefers

Download or read book Phenomenological Aspects of 'Beyond the Standard Model' Theories at the LHC. written by Patrick Bernhard Schaefers and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Beyond Standard Model Phenomenology at the LHC

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Publisher : Springer Science & Business Media
ISBN 13 : 3319007629
Total Pages : 166 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Beyond Standard Model Phenomenology at the LHC by : Priscila de Aquino

Download or read book Beyond Standard Model Phenomenology at the LHC written by Priscila de Aquino and published by Springer Science & Business Media. This book was released on 2013-09-16 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis provides an introduction to the physics of the Standard Model and beyond, and to the methods used to analyse Large Hadron Collider (LHC) data. The 'hierarchy problem', astrophysical data and experiments on neutrinos indicate that new physics can be expected at the now accessible TeV scale. This work investigates extensions of the Standard Model with gravitons and gravitinos (in the context of supergravity). The production of these particles in association with jets is studied as one of the most promising avenues for researching new physics at the LHC. Advanced simulation techniques and tools, such as algorithms allowing the computation of Feynman graphs and helicity amplitudes are first developed and then employed.

Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry

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Publisher : Springer
ISBN 13 : 3319434527
Total Pages : 113 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry by : Marc Christopher Thomas

Download or read book Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry written by Marc Christopher Thomas and published by Springer. This book was released on 2016-08-01 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis studies collider phenomenology of physics beyond the Standard Model at the Large Hadron Collider (LHC). It also explores in detail advanced topics related to Higgs boson and supersymmetry – one of the most exciting and well-motivated streams in particle physics. In particular, it finds a very large enhancement of multiple Higgs boson production in vector-boson scattering when Higgs couplings to gauge bosons differ from those predicted by the Standard Model. The thesis demonstrates that due to the loss of unitarity, the very large enhancement for triple Higgs boson production takes place. This is a truly novel finding. The thesis also studies the effects of supersymmetric partners of top and bottom quarks on the Higgs production and decay at the LHC, pointing for the first time to non-universal alterations for two main production processes of the Higgs boson at the LHC–vector boson fusion and gluon–gluon fusion. Continuing the exploration of Higgs boson and supersymmetry at the LHC, the thesis extends existing experimental analysis and shows that for a single decay channel the mass of the top quark superpartner below 175 GeV can be completely excluded, which in turn excludes electroweak baryogenesis in the Minimal Supersymmetric Model. This is a major new finding for the HEP community. This thesis is very clearly written and the introduction and conclusions are accessible to a wide spectrum of readers.

LHC Phenomenology

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Publisher : Springer
ISBN 13 : 3319053620
Total Pages : 369 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis LHC Phenomenology by : Einan Gardi

Download or read book LHC Phenomenology written by Einan Gardi and published by Springer. This book was released on 2014-08-27 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a very broad spectrum of experimental and theoretical activity in particle physics, from the searches for the Higgs boson and physics beyond the Standard Model, to detailed studies of Quantum Chromodynamics, the B-physics sectors and the properties of hadronic matter at high energy density as realised in heavy-ion collisions. Starting with a basic introduction to the Standard Model and its most likely extensions, the opening section of the book presents an overview of the theoretical and phenomenological framework of hadron collisions and current theoretical models of frontier physics. In part II, discussion of the theory is supplemented by chapters on the detector capabilities and search strategies, as well as an overview of the main detector components, the initial calibration procedures and physics samples and early LHC results. Part III completes the volume with a description of the physics behind Monte Carlo event generators and a broad introduction to the main statistical methods used in high energy physics. LHC Phenomenology covers all of these topics at a pedagogical level, with the aim of providing young particle physicists with the basic tools required for future work on the various LHC experiments. It will also serve as a useful reference text for those working in the field.

Standard Model Phenomenology

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Publisher : CRC Press
ISBN 13 : 0429810814
Total Pages : 247 pages
Book Rating : 4.4/5 (298 download)

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Book Synopsis Standard Model Phenomenology by : Shaaban Khalil

Download or read book Standard Model Phenomenology written by Shaaban Khalil and published by CRC Press. This book was released on 2022-06-20 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book is fully up to date with all the latest developments on both theoretical and experimental investigations of the Standard Model (SM) of particle physics with a particular emphasis on its historical development on both sides. It further stresses the cross-fertilisation between the two sub-disciplines of theoretical and experimental particle physics which has been instrumental in establishing the SM. In other words, the book develops a truly phenomenological attitude to the subject. In addition to emphasising the successes of the SM, this book also critically assesses its limitations and raises key unanswered questions for the purpose of presenting a new perspective of how to further our knowledge above and beyond it. It also contains both historical information from past experiments and latest results from the Large Hadron Collider at CERN. This book will be an invaluable reference to advanced undergraduate and postgraduate students, in addition to early-stage researchers in the field. Key Features: Provides a unique approach not found in current literature in developing and verifying the SM Presents the theory pedagogically but rigorously from basic knowledge of quantum field theory Brings together experimental and theoretical practice in one, cohesive text

Higgs Boson Phenomenology Beyond the Standard Model

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)

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Book Synopsis Higgs Boson Phenomenology Beyond the Standard Model by : Solen Le Corre

Download or read book Higgs Boson Phenomenology Beyond the Standard Model written by Solen Le Corre and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the discovery of the Higgs boson in June 2012 at the Large Hadron Collider, the particle collider located beneath the France-Switzerland border, interest in the study of the scalar sector in elementary particle physics significantly increased. In particular, as the Higgs boson plays a very special role in the Standard Model of particle physics, experimentalists study its properties with great care.The goal of the Standard Model is to describe the interactions between elementary particles. However the theory is not quite complete. Indeed, in addition to some purely theoretical problems, a number of experimental observations cannot be explained by the Standard Model. Theorists are therefore looking for a more comprehensive theory able to fully explain the observations.This thesis is based on the study of the scalar sector of two different extensions of the Standard Model of particle physics. I have worked on the Two-Higgs Doublet Model - this model is purely effective but can be included in more comprehensive theories - as well as on a model based on a combination of Technicolor and Composite Higgs theories in the framework of the SU (4) ? Sp(4) symmetry breaking pattern. I studied the latter via an effective approach but the full theory is able to get rid of some of the pitfalls of the Standard Model.These two models include a scalar sector that is richer than the one found in the Standard Model and contain at least one particle which can be assimilated to the Higgs boson discovered at the LHC.I performed a phenomenological study for these two models and tested them against both theoretical and experimental constraints. In particular I used the latest studies on the 125 GeV Higgs boson and on possible additional scalars performed by the ATLAS and CMS collaborations. The application of all these constraints drastically reduced the available parameter space of the two models. In particular it narrowed the possible mass range of the additional scalars, allowing to know more accurately where to search them experimentally in order to prove or rule out their possible existence.As of today the two theories I worked on are still not excluded by the latest experimentaldata.

Large Hadron Collider Phenomenology

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Publisher : CRC Press
ISBN 13 : 9781420034080
Total Pages : 504 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Large Hadron Collider Phenomenology by : M. Kramer

Download or read book Large Hadron Collider Phenomenology written by M. Kramer and published by CRC Press. This book was released on 2004-09-30 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the Large Hadron Collider (LHC) under construction and due to come online in 2007, it is appropriate to engage in a focused review on LHC phenomenology. At a time when most of the experimental effort is centered on detector construction and software development, it is vitally important to direct the experimental community and, in particular, new researchers on the physics phenomena expected from the LHC. Large Hadron Collider Phenomenology covers the capabilities of LHC, from searches for the Higgs boson and physics beyond the standard model to detailed studies of quantum chromodynamics, the B-physics sectors, and the properties of hadronic matter at high energy density as realized in heavy-ion collisions. Written by experienced researchers and experimentalists, this reference examines the basic properties and potentials of the machine, detectors, and software required for physics analyses. The book starts with a basic introduction to the standard model and its applications to the phenomena observed at high energy collisions. Later chapters describe the key technological challenges facing the construction of the LHC machine, the operating detectors of the LHC, and the vast computing grid needed to analyze the data. In the final sections, the contributors discuss the quark-gluon plasma (QGP), explore questions and predictions for the LHC program, and examine the physics opportunities of the LHC using information from the forward region. By surveying the difficult challenges of the LHC development while also assessing the novel processes that the LHC will perform, Large Hadron Collider Phenomenology aids less seasoned physicists as well as existing researchers in discovering the numerous possibilities of the LHC.

Dawn Of The Lhc Era, The (Tasi 2008) - Proceedings Of The 2008 Theoretical Advanced Study Institute In Elementary Particle Physics

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Publisher : World Scientific
ISBN 13 : 9814468827
Total Pages : 773 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Dawn Of The Lhc Era, The (Tasi 2008) - Proceedings Of The 2008 Theoretical Advanced Study Institute In Elementary Particle Physics by : Tao Han

Download or read book Dawn Of The Lhc Era, The (Tasi 2008) - Proceedings Of The 2008 Theoretical Advanced Study Institute In Elementary Particle Physics written by Tao Han and published by World Scientific. This book was released on 2010-08-13 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains material from the lecture courses conducted at the Theoretical Advanced Study Institute (TASI, Colorado, USA) on high energy physics and cosmology in 2008. Three series of lectures are presented in parallel in the areas of Large Hadron Collider (LHC) phenomenology and experimentation; advanced theoretical topics beyond the standard model; and neutrino oscillation, astroparticle physics and cosmology. The phenomenology lectures cover a broad spectrum of standard research techniques used to interpret present-day and LHC data. The new physics lectures focus on modern speculations about physics beyond the standard model, with an emphasis on supersymmetry, grand unification theories, extra-dimensional theories, and string phenomenology, which may be tested at the LHC. The lecture series on neutrino physics, astroparticle physics and cosmology treats recent developments in neutrino oscillations, theories and searches of dark matter and dark energy, cosmic microwave background radiation, and density perturbation theory. The lectures are of pedagogical nature in presentation, and are accessible to advanced graduate students and researchers in high energy physics and cosmology.

Lectures on LHC Physics

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Publisher : Springer
ISBN 13 : 3319059424
Total Pages : 340 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Lectures on LHC Physics by : Tilman Plehn

Download or read book Lectures on LHC Physics written by Tilman Plehn and published by Springer. This book was released on 2014-08-05 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the discovery of the Higgs boson, the LHC experiments have closed the most important gap in our understanding of fundamental interactions, confirming that such interactions between elementary particles can be described by quantum field theory, more specifically by a renormalizable gauge theory. This theory is a priori valid for arbitrarily high energy scales and does not require an ultraviolet completion. Yet, when trying to apply the concrete knowledge of quantum field theory to actual LHC physics - in particular to the Higgs sector and certain regimes of QCD - one inevitably encounters an intricate maze of phenomenological know-how, common lore and other, often historically developed intuitions about what works and what doesn’t. These lectures cover three aspects to help understand LHC results in the Higgs sector and in searches for physics beyond the Standard Model: they discuss the many facets of Higgs physics, which is at the core of this significantly expanded second edition; then QCD, to the degree relevant for LHC measurements; as well as further standard phenomenological background knowledge. They are intended to serve as a brief but sufficiently detailed primer on LHC physics to enable graduate students and all newcomers to the field to find their way through the more advanced literature, and to help those starting to work in this very timely and exciting field of research. Advanced readers will benefit from this course-based text for their own lectures and seminars. .

Particle Physics Reference Library

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Publisher : Springer Nature
ISBN 13 : 3030382079
Total Pages : 632 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Particle Physics Reference Library by : Herwig Schopper

Download or read book Particle Physics Reference Library written by Herwig Schopper and published by Springer Nature. This book was released on 2020 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first open access volume of the handbook series contains articles on the standard model of particle physics, both from the theoretical and experimental perspective. It also covers related topics, such as heavy-ion physics, neutrino physics and searches for new physics beyond the standard model. A joint CERN-Springer initiative, the "Particle Physics Reference Library" provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A, B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access

Phenomenological Aspects of New Physics at High Energy Hadron Colliders

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Phenomenological Aspects of New Physics at High Energy Hadron Colliders by : Andreas Papaefstathiou

Download or read book Phenomenological Aspects of New Physics at High Energy Hadron Colliders written by Andreas Papaefstathiou and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis contains studies of phenomenological aspects of new physics at hadron colliders, such as the Large Hadron Collider (LHC). After a general introduction in chapter 1, in chapter 2 we outline the main features of the Standard Model (SM) of particle physics and the theoretical motivations for going beyond it. We subsequently provide brief descriptions of a few popular models that aim to solve the issues that arise within the SM. In chapter 3 we describe the general Monte Carlo method for evaluating multidimensional integrals and show how it can be used to construct a class of computational tools called Monte Carlo event generators. We describe the main generic features of event generators and how these are implemented in the HERWIG++ event generator. By applying resummation techniques, we provide, in chapter 4, analytical calculations of two types of hadron collider observables. The first, global inclusive variables, are observables that make use of all measured particle momenta and can provide useful information on the scale of new physics. The second observable is the transverse energy of the QCD initial state radiation (ET), associated with the either Drell-Yan gauge boson production or Higgs boson production. In both cases we provide comparisons to results obtained from Monte Carlo event generators. In chapter 5 we examine two well-motivated models for new physics: one of new heavy charged vector bosons (W prime), similar to the SM W gauge bosons, and a model motivated by strong dynamics electroweak symmetry breaking that contains new resonances, leptoquarks, that couple primarily to quarks and leptons of the third generation. In the prior model, we improve the current treatment of the W' by considering interference effects with the SM W and construct an event generator accurate to next-to-leading order which we use to conduct a phenomenological analysis. For the leptoquark model, starting from an effective Lagrangian for production and decay, we provide an implementation in the HERWIG++ event generator and use it to form a strategy for mass reconstruction. The thesis ends with some conclusions and suggestions for extensions of the work presented. Further details and useful formulæ are given in the appendices.

Perspectives On String Phenomenology

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Publisher : World Scientific
ISBN 13 : 9814602698
Total Pages : 446 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Perspectives On String Phenomenology by : Gordon Kane

Download or read book Perspectives On String Phenomenology written by Gordon Kane and published by World Scientific. This book was released on 2014-12-23 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: The remarkable recent discovery of the Higgs boson at the CERN Large Hadron Collider completed the Standard Model of particle physics and has paved the way for understanding the physics which may lie beyond it. String/M theory has emerged as a broad framework for describing a plethora of diverse physical systems, which includes condensed matter systems, gravitational systems as well as elementary particle physics interactions. If string/M theory is to be considered as a candidate theory of Nature, it must contain an effectively four-dimensional universe among its solutions that is indistinguishable from our own. In these solutions, the extra dimensions of string/M theory are “compactified” on tiny scales which are often comparable to the Planck length. String phenomenology is the branch of string/M theory that studies such solutions, relates their properties to data, and aims to answer many of the outstanding questions of particle physics beyond the Standard Model.This book contains perspectives on string phenomenology from some of the leading experts in the field. Contributions will range from pedagogical general overviews and perspectives to more technical reviews. We hope that the reader will get a sense of the significant progress that has been made in the field in recent years (e.g. in the topic of moduli stabilization) as well as the topics currently being researched, outstanding problems and some perspectives for the future.

Physics Beyond the Standard Model

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Publisher :
ISBN 13 :
Total Pages : 205 pages
Book Rating : 4.:/5 (43 download)

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Book Synopsis Physics Beyond the Standard Model by :

Download or read book Physics Beyond the Standard Model written by and published by . This book was released on 2008 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Standard Model (SM) of particle physics is remarkably successful and has survived two decades of precision tests at high energy particle accelerators. However, it is known to be incomplete, and there are reasons to believe that there is new physics at energy scales that will soon be probed in greater detail than ever before by the Large Hadron Collider (LHC), a proton-proton accelerator being built near Geneva. This thesis contains a diverse set of topics that may broadly be described as physics beyond the SM. In Chapter 2, implications of current experimental constraints are presented for the stop masses and mixing in the Minimal Supersymmetric Standard Model (MSSM), a well-motivated candidate for physics beyond the SM. It is found, for example, that lower bounds on the stop masses are as large as 1 TeV assuming no stop-mixing. Chapter 3 presents the regions in the MSSM with the minimal amount of fine-tuning of electroweak symmetry breaking. The minimal amount of tuning increases enormously for a Higgs mass beyond 120 GeV. Supersymmetry cannot be an exact symmetry, and one possibility is that our Universe is in a long-lived metastable state with broken supersymmetry. In Chapter 4, a generic model with this property is constructed in which all the relevant parameters, including the supersymmetry breaking scale, are generated dynamically. This model has several interesting model-building features including an explicitly and spontaneously broken R-symmetry, a singlet, a large global symmetry, naturalness, renormalizability, and a "pseudo-runaway'' direction. In Chapter 5, a simple extension of the SM with weakly interacting non-chiral dark matter particles is presented. Such particles can be detected at a future direct-detection experiment. There are a wide variety of possible discovery signatures for new physics at the LHC. A discovery signature with a large SM background that has not been well studied involves multi-jet events without leptons and/or missing energy. In Chapter 6, it is found that using innovative search strategies pair production of new coloured adjoint fermions producing a pure six-jet final state can be detected up to a mass of about 650-700 GeV with 10 fb-1 of integrated luminosity.

Beyond Standard Model, LHC Phenomenology and Dark Matter

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Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (83 download)

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Book Synopsis Beyond Standard Model, LHC Phenomenology and Dark Matter by : Yue Zhao

Download or read book Beyond Standard Model, LHC Phenomenology and Dark Matter written by Yue Zhao and published by . This book was released on 2012 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: The standard model in particle physics is such a successful model, which agrees well with almost all experimental tests in the past more than 20 years. However, there is large hope that new physics beyond the standard model would show up in the Large Hadron Collider (LHC). Meanwhile, many direct and indirect dark matter searches have shown signs of potential signals. If confirmed, the properties of the most mysterious but dominant part of matter constitute will be unveiled soon. In this thesis, we mainly have three sections. First, we will talk in detail about LHC phenomenology. This includes several topics, recovering particle masses from missing energy signatures with displaced tracks, diagnosing the top-quark angular asymmetry using LHC in- trinsic charge asymmetries, signature searches, including multi-lepton and diphoton searches, in the early LHC. After collider phenomenology, we will discuss a study for dark matter, which is focused on the indirect search, i.e. gamma ray spectra from dark matter annihilation and decay. And in the last section, we will cover several topics about some studies on formal side of physics, including metastable spontaneous SUSY breaking in a landscape of fuzzy droplets, entropic force and its fluctuation from gauge/gravity duality.

Modern Elementary Particle Physics

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Publisher : Cambridge University Press
ISBN 13 : 1316738523
Total Pages : 241 pages
Book Rating : 4.3/5 (167 download)

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Book Synopsis Modern Elementary Particle Physics by : Gordon Kane

Download or read book Modern Elementary Particle Physics written by Gordon Kane and published by Cambridge University Press. This book was released on 2017-02-09 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is written for students and scientists wanting to learn about the Standard Model of particle physics. Only an introductory course knowledge about quantum theory is needed. The text provides a pedagogical description of the theory, and incorporates the recent Higgs boson and top quark discoveries. With its clear and engaging style, this new edition retains its essential simplicity. Long and detailed calculations are replaced by simple approximate ones. It includes introductions to accelerators, colliders, and detectors, and several main experimental tests of the Standard Model are explained. Descriptions of some well-motivated extensions of the Standard Model prepare the reader for new developments. It emphasizes the concepts of gauge theories and Higgs physics, electroweak unification and symmetry breaking, and how force strengths vary with energy, providing a solid foundation for those working in the field, and for those who simply want to learn about the Standard Model.

Topics in Model Building and Phenomenology Beyond the Standard Model

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (671 download)

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Book Synopsis Topics in Model Building and Phenomenology Beyond the Standard Model by : Johannes Heinonen

Download or read book Topics in Model Building and Phenomenology Beyond the Standard Model written by Johannes Heinonen and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin of electroweak symmetry breaking is about to be explored by the LHC, which has started taking high-energy data this spring. In this thesis, we explore several theories proposed to extend the standard mode (SM) of particle physics and their phenomenological consequences for the LHC. First we show that there exists an anomaly-free Littlest Higgs model with an exact T-parity by explicitly constructing such a weakly coupled UV completion. We show that an extended gauge and fermion sector is needed and estimate the impact of new TeV scale particles on electroweak precision observables. We also give both a supersymmetric and a five-dimensional solution to the remaining hierarchy problem up to the Planck scale. We then examine the feasibility of distinguishing a fermionic partner of the SM gluon from a bosonic one at the LHC. We focus on the case when all allowed tree-level decays of this partner are 3-body decays into two jets and a massive, invisible particle. We show that the dijet invariant mass distributions differ significantly in the two models, as long as the decaying particle is substantially more massive than its invisible daughter. Finally we analyze the theory and phenomenology of anomalous global chiral symmetries in the presence of an extra dimension. We propose a simple extension of the standard model in 5D whose signatures closely resemble those of supersymmetry with gauge mediation.