Higher Order Corrections in the Minimal Supersymmetric Standard Model PDF Download
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Author: Ahmad Farzaneh Kord
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Ahmad Farzaneh Kord
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Joan Sola
Publisher: World Scientific
ISBN: 9814544965
Category :
Languages : en
Pages : 466
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Book Description
This volume constitutes the proceedings of the first conference on the specific subject of radiative corrections (quantum effects) to physical processes within the framework of the minimal supersymmetric standard model (MSSM). While there have been many conferences covering general aspects of supersymmetry, this one brought together leading experts on phenomenological aspects of SUSY and focused on the search for indirect effects of supersymmetric particles. Participants discussed the status and perspectives of the MSSM from the viewpoint of present and future high precision experiments at LEP, Tevatron, LHC and at a future NLC.
Author: M. Drees
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Author: Lisa Zeune
Publisher: Springer
ISBN: 3319222287
Category : Science
Languages : en
Pages : 216
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Book Description
This thesis analyses how supersymmetric (SUSY) extensions of the Standard Model (SM) of particle physics can be constrained using information from Higgs physics, electroweak precision observables and direct searches for new particles. Direct searches for SUSY particles at the LHC have not resulted in any signal so far, and limits on the SUSY parameter space have been set. Measurements of the properties of the observed Higgs boson at 125 GeV as well as of the W boson mass can provide valuable indirect constraints, supplementing the ones from direct searches. Precise calculations are performed for Higgs decays and electroweak precision observables within the minimal supersymmetric extension of the Standard Model and the next to-minimal supersymmetric extension of the Standard Model. Furthermore, a method is presented to reinterpret the LHC limits from direct SUSY searches in more realistic SUSY scenarios. The phenomenological consequences of those results are thoroughly analysed.
Author: Andrew James Bordner
Publisher:
ISBN:
Category :
Languages : en
Pages : 230
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Book Description
Author: Chao-hsi Chang
Publisher: World Scientific
ISBN: 9814547956
Category :
Languages : en
Pages : 322
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Book Description
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.
Author: Gordon Kane
Publisher: World Scientific
ISBN: 9814495824
Category : Science
Languages : en
Pages : 503
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Book Description
Supersymmetry is at an exciting stage of development. It extends the Standard Model of particle physics into a more powerful theory that both explains more and allows more questions to be addressed. Most important, it opens a window for studying and testing fundamental theories at the Planck scale. Experimentally we are finally entering the intensity and energy regions where superpartners are likely to be detected, and then studied. There has been progress in understanding the remarkable physics implications of supersymmetry, including the derivation of the Higgs mechanism, the unification of the Standard Model forces, cosmological connections such as a candidate for the cold dark matter of the universe and the scalar fields that drive inflation and their potential, the relationship to Planck scale theories, and more.While there are a number of reviews and books where the mathematical structure and uses of supersymmetry can be learned, there are few where the particle physics is the main focus. This book fills that gap. It begins with an excellent pedagogical introduction to the physics and methods and formalism of supersymmetry, by S Martin, which is accessible to anyone with a basic knowledge of the Standard Model of particle physics. Next is an overview of open questions by K Dienes and C Kolda, followed by chapters on topics ranging from how to detect superpartners to connections with Planck scale theories, by leading experts.This invaluable book will allow any interested physicist to understand the coming experimental and theoretical progress in supersymmetry, and will also help students and workers to quickly learn new aspects of supersymmetry they want to pursue.
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.
Author: Antonino Zichichi
Publisher: World Scientific
ISBN: 9814293245
Category : Science
Languages : en
Pages : 511
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Book Description
Beyond Higgs / W.A. Bardeen -- Is N = 8 supergravity ultraviolet finite? / Z. Bern -- Extremal black holes and attractors / S. Ferrara -- Exotic mesons / L. Maiani -- The entropic principle and the landscape in SUSY gauge theories / H. Ooguri -- Warped dimensions / L. Randall -- Unitarity in the Brout-Englert-Higgs mechanism for gravity / C. 'tHooft -- AdS/CFT and light-front QCD / S.J. Brodsky -- Physics of the light quarks / H. Leutwyler -- BFKL equation and anomalous dimensions in N = 4 SUSY / L.N. Lipatov -- The color glass condensate and the glasma / L. McLerran -- Highlights from CERN / R. Aymar -- Highlights from Gran Sasso / E. Coccia -- Highlights from the CNGS & OPERA / Y. Declais -- Highlights from RHIC / B. Jacak -- Highlights from fermilab / P.J. Oddone -- Problems with three neutrinos / A. Bettini -- Double beta decay / E. Fiorini -- Rare decays in the 3rd family / M. Giorgi -- Cosmology and the unexpected / E.W. Kolb -- Complexity at the fundamental level : consequences for LHC / A. Zichichi -- Vertexing and flavour tagging at the international linear collider / E. Devetak -- The standard model Higgs search at the tevatron / W. Fisher -- Effective potentials in de Sitter background and application to the MSSM / B. Garbrecht -- Tuning the vertex detector simulation of H1 / M. Kramer -- Numerical calculation of electron g-2 at 4 loops in QED / S. Laporta -- Spinors and unitarity-cuts / P. Mastrolia -- Exploring the physics frontier with v[symbol]'s and v[symbol]'s in MINOS / J.P. Ochoa-Ricoux -- Modified dispersion relations and trans-planckian physics / M. Rinaldi -- A large TPC prototype for the international linear collider / P. Schade -- Lepton flavour violation : hints on the SUSY seesaw / A.M. Teixeira -- Background simulations for the international linear collider / A. Vogel -- A hadronic calorimeter for the international linear collider / N. Wattimena
Author: Gabriele Coniglio
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The study of physics beyond the Standard Model is one of the main focuses of particle physics, in which many questions remain unanswered and none of the proposed solutions has emerged as the most probable. Confirming or disproving whether a model is realised in nature requires a precise study of its phenomenology. In quantum field theory, such calculations are often performed using perturbative techniques. The high degree of precision necessary to assess the correctness of the predictions of a given model means, in this context, taking into account higher-order corrections in the interaction in consideration. In this thesis, we calculate next-to-leading order corrections in the strong coupling (or NLO-QCD corrections, from quantum chromodynamics) for several processes in the context of supersymmetry and dark matter searches. We calculate NLO-QCD corrections to the weakino-squark production processes in the Minimal Supersymmetrical Standard Model (MSSM), including the subtraction of the on-shell resonances appearing in the real emission corrections to this process. We match the fixed-order calculation to the parton-shower (PS) program PYTHIA using the POWHEG method. We can therefore calculate the NLO-QCD cross sections including PS effects for these processes and generate differential distributions at the NLO+PS level. These processes are responsible for interesting experimental signatures, like hard jets and large quantities of missing transverse momentum. Our code will be publicly available for future phenomenological and experimental studies. Additionally, we study the phenomenology of dark matter pair-production processes at hadron colliders in the context of simplified models, studying the similarity between these processes and the production of neutralino-pairs in the MSSM. We perform this comparison at NLO-QCD accuracy, exploring a vaste range of supersymmetric scenarios. Simplified models are often interpreted as low-energy limits of a UV-complete theory, and we aim at understanding to what extent an s- and a t-channel model are able to reproduce the phenomenology of the far more complex MSSM. We also investigate the same simplified models for dark matter in a completely different scenario, namely direct detection experiments. We calculate NLO-QCD corrections in the non-relativistic regime and match our results to the Wilson coefficients and operators of an effective field theory, to express our results in the terms generally used for experimental results in direct dark matter searches. We then perform a phenomenological study, comparing the limits set in collider searches and the ones set by the direct detection experiments CRESST and XENON.
