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Supersymmetry Breaking Gauge Mediation And The Lhc
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Book Synopsis Supersymmetry Breaking, Gauge Mediation, and the LHC. by :
Download or read book Supersymmetry Breaking, Gauge Mediation, and the LHC. written by and published by . This book was released on 2015 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gauge mediated SUSY breaking (GMSB) is a promising class of supersymmetric models that automatically satisfies the precision constraints. Prior work of Meade, Seiberg and Shih in 2008 established the full, model-independent parameter space of GMSB, which they called "General Gauge Mediation" (GGM). During the first half of 2010-2015, Shih and his collaborators thoroughly explored the parameter space of GGM and established many well-motivated benchmark models for use by the experimentalists at the LHC. Through their work, the current constraints on GGM from LEP, the Tevatron and the LHC were fully elucidated, together with the possible collider signatures of GMSB at the LHC. This ensured that the full discovery potential for GGM could be completely realized at the LHC.
Book Synopsis Supersymmetry Breaking: Models of Gauge Mediation with Gauge Messengers by :
Download or read book Supersymmetry Breaking: Models of Gauge Mediation with Gauge Messengers written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the start of the LHC, it becomes increasingly important to understand the experimental signatures that discriminate different extensions of the standard model. Supersymmetry (SUSY), in particular the Minimal Supersymmetric Standard Model (MSSM), is one such extension that is specially attractive by its simplicity and elegance. However, if this symmetry is to be realized in nature, it must be spontaneously broken. In this work we will try to understand the most general way in which SUSY breaking can happen in renormalizable field theories and the implications that this has on the minimal extension of the standard model (MSSM) mass spectrum. The first two chapters are the introductory material: in chapter 1 we will introduce some of the key ideas necessary to understand supersymmetric field theories, and in chapter 2 we will briefly describe the the simplest supersymmetric version of the Standard Model. In chapter 3 we will focus on understanding the role of R-Symmetry breaking in determining the soft terms gauge mediation of supersymmetry breaking (GMSB) can lead to. To do this we consider a model where both R-symmetry and SUSY are spontaneously broken. One starts with the model proposed by Intriligator, Seiberg and Shih (ISS) and adds a (dangerous) marginal operator, which we call a meson deformation. The inclusion of this operator leads to the spontaneous breaking of R-symmetry in the vacuum. One then gauges the SU(5) of flavour and identifies it with the MSSM GUT gauge group, thus implementing GMSB. This was the second explicit example where R-symmetry was spontaneously broken in the vacuum. As in the first, gaugino masses iii turned out to be smaller than naively expected so that a mild splitting between scalar (squark and slepton) and gaugino masses exists. After this, a general argument showed that in fact gaugino masses are always significantly smaller than scalar masses if the universe is perturbatively stable. This arguments suggests that any viable vac.
Book Synopsis Perspectives on Supersymmetry II by : G. L. Kane
Download or read book Perspectives on Supersymmetry II written by G. L. Kane and published by World Scientific. This book was released on 2010 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume begins with an excellent pedagogical introduction to the physics and methods and formalism of supersymmetry which is accessible to anyone with a basic knowledge of the Standard Model of particle physics. Next is an overview of open questions, followed by chapters on topics such as how to detect superpartners and tools for studying them, the current limits on superpartner masses as we enter the LHC era, the lightest superpartner as a dark matter candidate in thermal and non-thermal cosmological histories, and associated Z'physics. Most chapters have been extended and updated from the earlier edition and some are new. --
Book Synopsis Supersymmetry Reach of Tevatron Upgrades and LHC in Gauge Mediated Supersymmetry Breaking Models by : Yili Wang
Download or read book Supersymmetry Reach of Tevatron Upgrades and LHC in Gauge Mediated Supersymmetry Breaking Models written by Yili Wang and published by . This book was released on 2002 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modern Supersymmetry by : John Terning
Download or read book Modern Supersymmetry written by John Terning and published by Oxford University Press. This book was released on 2006 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book begins with a brief review of supersymmetry, and the construction of the minimal supersymmetric standard model and approaches to supersymmetry breaking. General non-perturbative methods are also reviewed leading to the development of holomorphy and the Affleck-Dine-Seiberg superpotential as powerful tools for analysing supersymmetric theories. Seiberg duality is discussed in detail, with many example applications provided, with special attention paid to its use inunderstanding dynamical supersymmetry breaking. The Seiberg-Witten theory of monopoles is introduced through the analysis of simpler N=1 analogues. Superconformal field theories are described along with the most recent development known as "a-maximization". Supergravity theories are examined in 4, 10, and 11dimensions, allowing for a discussion of anomaly and gaugino mediation, and setting the stage for the anti-de Sitter/conformal field theory correspondence. This book is unique in containing an overview of the important developments in supersymmetry since the publication of "Supersymmetry and Supergravity" by Wess and Bagger. It also strives to cover topics that are of interest to both formal and phenomenological theorists.
Book Synopsis Topics in the Phenomenology of Two Non-minimal Models of Supersymmetry Breaking by :
Download or read book Topics in the Phenomenology of Two Non-minimal Models of Supersymmetry Breaking written by and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis we look at two non-minimal models of supersymmetry breaking. In the first model, we study the phenomenology of deflected mirage mediation, a scenario where gravity, anomaly, and gauge mediation contribute to the soft masses, in light of the 7 and 8 TeV runs of the Large Hadron Collider (LHC) and the dark matter direct detection results from XENON and LUX. We find that the parameter space admits models with both simplified and compressed spectra, which should be visible in the next run of the LHC. We also look at the parameter space from the bottom up, using the electroweak fine-tuning measure and find that there are large regions of parameter space which are not fine-tuned. In the second, we look at models of flavored gauge mediation and explore models with a non-abelian flavor symmetry. In these models the MSSM messenger Yukawa couplings are connected by the non-abelian symmetry, forcing us to model them simultaneously. We comment on the spectra and model building challengers in this paradigm.
Book Synopsis Implications of Gauge-mediated Supersymmetry Breaking with Vector-like Quarks and a 1̃25 GeV Higgs Boson by :
Download or read book Implications of Gauge-mediated Supersymmetry Breaking with Vector-like Quarks and a 1̃25 GeV Higgs Boson written by and published by . This book was released on 2012 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: We investigate the implications of models that achieve a Standard Model-like Higgs boson of mass near 125 GeV by introducing additional TeV-scale supermultiplets in the vector-like 10+\bar representation of SU(5), within the context of gauge-mediated supersymmetry breaking. We study the resulting mass spectrum of superpartners, comparing and contrasting to the usual gauge-mediated and CMSSM scenarios, and discuss implications for LHC supersymmetry searches. This approach implies that exotic vector-like fermions t'_{1,2}, b', and \tau' should be within the reach of the LHC. We discuss the masses, the couplings to electroweak bosons, and the decay branching ratios of the exotic fermions, with and without various unification assumptions for the mass and mixing parameters. We comment on LHC prospects for discovery of the exotic fermion states, both for decays that are prompt and non-prompt on detector-crossing time scales.
Book Synopsis Direct Gauge Mediation of Supersymmetry Breaking with a Strongly Coupled Hidden Sector by : Jeff L. Jones
Download or read book Direct Gauge Mediation of Supersymmetry Breaking with a Strongly Coupled Hidden Sector written by Jeff L. Jones and published by . This book was released on 2009 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Predicted And Totally Unexpected In The Energy Frontier Opened By Lhc - Proceedings Of The International School Of Subnuclear Physics by : Antonino Zichichi
Download or read book Predicted And Totally Unexpected In The Energy Frontier Opened By Lhc - Proceedings Of The International School Of Subnuclear Physics written by Antonino Zichichi and published by World Scientific. This book was released on 2011-01-03 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents:Predicted Signals at the LHC from Technicolor (A Martin)How Supercritical String Cosmology Affects LHC (D V Nanopoulos)Progress on the Ultraviolet Finiteness of Supergravity (Z Bern)Quantum Gravity from Dynamical Triangulation (R Loll)Status of Superstring and M-Theory (J H Schwarz)Strongly Coupled Gauge Theories (R Kenway)Strongly Interacting Matter at High Energy Density (L McLerran)The Nature and the Mass of Neutrinos. Majorana vs Dirac (A Bettini)The Anomalous Spin Distributions in the Nucleon (A Deshpande)and other papers Readership: Students, researchers and academics in the field of subnuclear physics. Keywords:Black Holes;QCD;SUSY;QED;Collider;Attractors
Book Synopsis Supersymmetry Beyond Minimality by : Shaaban Khalil
Download or read book Supersymmetry Beyond Minimality written by Shaaban Khalil and published by CRC Press. This book was released on 2017-12-06 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supersymmetry (SUSY) is one of the most important ideas ever conceived in particle physics. It is a symmetry that relates known elementary particles of a certain spin to as yet undiscovered particles that differ by half a unit of that spin (known as Superparticles). Supersymmetric models now stand as the most promising candidates for a unified theory beyond the Standard Model (SM). SUSY is an elegant and simple theory, but its existence lacks direct proof. Instead of dismissing supersymmetry altogether, Supersymmetry Beyond Minimality: from Theory to Experiment suggests that SUSY may exist in more complex and subtle manifestation than the minimal model. The book explores in detail non-minimal SUSY models, in a bottom-up approach that interconnects experimental phenomena in the fermionic and bosonic sectors. The book considers with equal emphasis the Higgs and Superparticle sectors, and explains both collider and non-collider experiments. Uniquely, the book explores charge/parity and lepton flavour violation. Supersymmetry Beyond Minimality: from Theory to Experiment provides an introduction to well-motivated examples of such non-minimal SUSY models, including the ingredients for generating neutrino masses and/or relaxing the tension with the heavily constraining Large Hadron Collider (LHC) data. Examples of these scenarios are explored in depth, in particular the discussions on Next-to-Minimal Supersymmetric SM (NMSSM) and B-L Supersymmetric SM (BLSSM).
Book Synopsis Search for the "totally Unexpected" in the LHC Era by : Antonino Zichichi
Download or read book Search for the "totally Unexpected" in the LHC Era written by Antonino Zichichi and published by World Scientific. This book was released on 2010 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis The Higgs and Supersymmetry at Run II of the LHC. by :
Download or read book The Higgs and Supersymmetry at Run II of the LHC. written by and published by . This book was released on 2016 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prof. David Shih was supported by DOE grant DE-SC0013678 from April 2015 to April 2016. His research during this year focused on the phenomenology of super- symmetry (SUSY) and maximizing its future discovery potential at Run II of the LHC. SUSY is one of the most well-motivated frameworks for physics beyond the Standard Model. It solves the \naturalness" or \hierarchy" problem by stabilizing the Higgs mass against otherwise uncontrolled quantum corrections, predicts \grand uni cation" of the fundamental forces, and provides many potential candidates for dark matter. However, after decades of null results from direct and indirect searches, the viable parameter space for SUSY is increasingly constrained. Also, the discovery of a Standard Model-like Higgs with a mass at 125 GeV places a stringent constraint on SUSY models. In the work supported on this grant, Shih has worked on four di erent projects motivated by these issues. He has built natural SUSY models that explain the Higgs mass and provide viable dark matter; he has studied the parameter space of \gauge mediated supersymmetry breaking" (GMSB) that satis es the Higgs mass constraint; he has developed new tools for the precision calculation of avor and CP observables in general SUSY models; and he has studied new techniques for discovery of supersymmetric partners of the top quark.
Book Synopsis Theories with Gauge-mediated Supersymmetry Breaking by : G. F. Giudice
Download or read book Theories with Gauge-mediated Supersymmetry Breaking written by G. F. Giudice and published by . This book was released on 1999 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measuring Gauge Mediated Supersymmetry Breaking Parameters at a 500 GeV E+e- Linear Collider by : Sandro Ambrosiano
Download or read book Measuring Gauge Mediated Supersymmetry Breaking Parameters at a 500 GeV E+e- Linear Collider written by Sandro Ambrosiano and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Of Triggers, Supersymmetry and Photons by : Jonas Wûrzinger
Download or read book Of Triggers, Supersymmetry and Photons written by Jonas Wûrzinger and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electroweak Symmetry Breaking And New Physics At The Tev Scale by : Timothy L Barklow
Download or read book Electroweak Symmetry Breaking And New Physics At The Tev Scale written by Timothy L Barklow and published by World Scientific. This book was released on 1997-05-05 with total page 749 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an expanded version of the report by the Electroweak Symmetry Breaking and Beyond the Standard Model Working Group which was contributed to Particle Physics — Perspectives and Opportunities, a report of the Division of Particles and Fields Committee for Long Term Planning. One of the Working Group's primary goals was to study the phenomenology of electroweak symmetry breaking and attempt to quantify the “physics reach” of present and future colliders. Their investigations encompassed the Standard Model — with one doublet of Higgs scalars — and approaches to physics beyond the Standard Model. These include models of low-energy supersymmetry, dynamical electroweak symmetry breaking, and a variety of extensions of the Standard Model with new particles and interactions. The Working Group also considered signals of new physics in precision measurements arising from virtual processes and examined experimental issues associated with the study of electroweak symmetry breaking and the search for new physics at present and future hadron and lepton colliders.This volume represents an important contribution to the efforts being made to advance the frontiers of particle physics.
Book Synopsis Supersymmetry Breaking and Its Mediation in String Theory and Particle Physics by : Matthew A. Buican
Download or read book Supersymmetry Breaking and Its Mediation in String Theory and Particle Physics written by Matthew A. Buican and published by . This book was released on 2009 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
