Isbn 0521857864 theory and phenomenology of sparticles an account of fourdimensional n 1 supersymmetry in high energy physics manuel drees, rohini godbole, and probir roy world scientific. May 17, 2014 h baer and x tata weak scale supersymmetry. Soft supersymmetry breaking and the supersymmetric standard model. In some cases the term electroweak scale is used to refer to the temperature of. The level of discussion is aimed at readers who are familiar with the standard model and quantum. Weak scale supersymmetry by howard baer and xerxes tata, 2006. Thus, a theory of weakscale supersymmetry, where the effective scale of supersymmetry breaking is tied to the scale of electroweak symmetry. Higgs mass is driven negative around the electroweak scale inducing a vacuum expectation value for the higgs at the correct scale. What hadron collider is required to discover or falsify. Download it once and read it on your kindle device, pc, phones or tablets. Soft supersymmetry breaking and the supersymmetric. It is shown that lep data on z decays has already excluded two of the most elegant models of weak scale supersymmetry. Bagger department of physics and astronomy johns hopkins university baltimore, md 21218 these lectures contain an introduction to the theory and practice of weakscale supersymmetry.
Model building and collider physics above the weak scale pdf phd. Baer, tata weak scale supersymmetry cambridge university press, 2006 aitchison supersymmetry in particle physics. Rparity and the lightest supersymmetric particle i. They begin with a discussion of the hierarchy problem and the motivation for weakscale supersymmetry. Pdf naturalness, weak scale supersymmetry, and the prospect. In particle physics, supersymmetry susy is a conjectured relationship between two basic classes of elementary particles. These limits contradict older simplistic notions of naturalness that emerged in the 1980s1990s, leading to the rather pessimistic view that susy is now excluded except for perhaps some. Impactof muonanomalous magnetic moment on supersymmetric. Elementary particle physics physics 225b syllabus winter 2015 professor jeffrey d. They begin with a discussion of the hierarchy problem and the motivation for weak scale supersymmetry.
The standard model cannot be the correct theory of fundamental particles and their interactions applicable at all. For the case of weak scale supersymmetry susy, lhc has found rather generally that gluinos are beyond about 2. Xerxes tata is a professor in the department of physics and astronomy, university of hawaii. Introduction we derive an explicit expression for the. West royal holloway, university of london egham, surrey, tw20 0ex. Supersymmetry plays a crucial role in establishing and exploit. Howard krupovnickas, tadas mustafayev, azar park, eunkyung profumo, stefano and tata, xerxes 2005. Weak scale supersymmetry from superfields to scattering events. Measured gauge couplings at lep unify in mssm but not in sm if susy is at the weak scale x. If your interest in supersymmetry is primarily the. The realization that supersymmetry susy, if softly broken at the weak scale, can stabilize the higgs sector led many authors to explore the role it may play in particle physics. Interactions may have been above this scale during the electroweak epoch.
Mssm is the minimal supersymmetrical model as it considers only the minimum number of new particle states and new interactions consistent with phenomenology. Jurgen reuter susy lectures and exercises maria laach, 092007. Kane michigan center for theoretical physics, randall physics lab, university of michigan email. These superpartners will have wide ranging implications, from cosmology to observations at high energy accelerators, such as cerns lhc. The focus of this book is really supersymmetry at the lhc, written by. Weak scale supersymmetry is an especially well motivated extension of the sm in which contributions to a from loops with supersymmetric susy particles naturally have a magnitude comparable to electroweak e. Naturalness constraints and the little hierarchy i. They cover a basic introduction to supersymmetry with a detailed description of.
Witten only reason for superpartners at the tev scale. There is nothing here that cannot be improved upon so here are some suggestions for further reading. They develop the technical tools of supersymmetry using fourcomponent spinor notation familiar to high energy experimentalists and phenomenologists. A supersymmetry primer, steve martin hepph9709356 theory and phenomenology of sparticles, manual drees, rohini godbole, probir roy world scientific weak scale supersymmetry.
Electroweak symmetry breaking is a derived consequence of supersymmetry breaking in many particle physics models with weakscale supersymmetry, whereas electroweak symmetry breaking in the sm is put in by hand. Martin department of physics, northern illinois university, dekalb il 60115 i provide a pedagogical introduction to supersymmetry. From superfields to scattering events new ed by professor howard baer, xerxes tata isbn. Aspirations and prospects, tdli, shanghai, april 2019 2. It was widely anticipated that superpartners would reveal themselves once the tev scale was probed in high energy collisions. Thus the brookhaven experiment can potentially probe weak scale supersymmetry.
Pdf naturalness, weak scale supersymmetry, and the. Upper bounds on sparticle masses from naturalness or how to disprove weak scale supersymmetry howard baer 1, vernon barger2y, and michael savoy z 1dept. From superfields to scattering events kindle edition by baer, howard, tata, xerxes. From superfields to scattering events by howard baer, xerxes tata for online ebook. Bagger department of physics and astronomy johns hopkins university baltimore, md 21218 these lectures contain an introduction to the theory and practice of weak scale supersymmetry. From superfields to scattering events, howard baer and xerxes tata cambridge university press. Gainer, peisi huang, michael savoy, hasan serce, xerxes tata weak scale supersymmetry susy remains a compelling extension of the standard model because it stabilizes the quantum corrections to the higgs and w, z boson masses. The focus of this book is really supersymmetry at the lhc, and so.
Weakscale supersymmetry is at present the most wellmotivated framework for. Nilles, supersymmetry, supergravity and particle physics, phys. Introduction to supersymmetry joseph conlon hilary term 2010 1 introduction and references these notes accompany the supersymmetry lecures given in hilary and trinity term 2009. M2 gives probability must normailze and sum integrate over all momentum con.
Weak scale supersymmetry isbn 9780521857864 pdf epub. Weak scale supersymmetry, cup 2006, by howard baer and xerxes tata. Supersymmetry, naturalness and light higgsinos springerlink. In particle physics, the electroweak scale, also known as the fermi scale, is the energy scale around 246 gev, a typical energy of processes described by the electroweak theory. Radiativelydriven natural supersymmetry radiative natural susy with a 125 gev higgs boson with v. Weak scale supersymmetry from superfields to scattering events howard baer and xerxes tata cambridge u. Weak scale supersymmetry by howard baer cambridge core. Weak scale supersymmetry isbn 9780521857864 pdf epub howard. If supersymmetry is restored at the weak scale, then the higgs mass is related to supersymmetry breaking which can be induced from small nonperturbative effects explaining the vastly different scales in the weak interactions and gravitational interactions. Full text views reflects the number of pdf downloads. Baer and tata s weak scale supersymmetry is the most phenomenological text, closest to what will be needed to make detailed interpretations of the data. Lhc susy and wimp dark matter searches confront the string.
Everyday low prices and free delivery on eligible orders. Supersymmetry, part i theory revised september 2015 by howard e. Baer and tata s book is a good introduction to practical supersymmetry theory and offers a helpful chapter on the superspace formalism and material on possible ways of breaking supersymmetry. Constraints from virtual exchange of supersymmetric particles i. These notes accompany the supersymmetry lecures given in hilary and trinity term 2009. Finally we end with a brief look at supersymmetry in other dimensions, describing spinors and supersymmetry algebras in various dimensions, 5dimensional n1 and 2 theories, and 6dimensional n2,0 and 1,1 theories. The particular number 246 gev is taken to be the vacuum expectation value. Weak scale supersymmetry susy remains a compelling extension of the standard model because it stabilizes the quantum corrections to the higgs and w, z boson masses. West royal holloway, university of london egham, surrey, tw20 0ex email. These lecture notes accompany the supersymmetry lectures delivered at busstepp in 2014.
A type of spacetime symmetry, supersymmetry is a possible candidate for undiscovered particle physics, and seen by some physicists as an elegant solution to many current problems in. The minimal supersymmetric standard model mssm is an extension to the standard model that realizes supersymmetry. Experiments at the lhc have not yet revealed any sign for direct production of. A re sult of this was the early paper with stuart raby and frank wilczek 14 in which we computed the unification mass in the presence of the mini mal supersymmetric particle content at the weak scale. Supersymmetric models of particle physics predict new superpartner matter states for each particle in the standard model. Howard baer xerxes tata weak scale supersymmetry from superfields to scattering events. Xerxes tata weak scale supersymmetry from superfields to scattering events. In natural susy models these corrections are, by definition, never much larger than the corresponding masses. Mixed higgsino dark matter from a reduced su3 gaugino mass. The explicit pure vector superfield in gauge theories. In other cases, the term is used more loosely to refer to energies in a broad range around 100 gev. In particle physics, supersymmetry susy is a conjectured relationship between two basic.
In some cases the term electroweak scale is used to refer to the temperature of electroweak symmetry breaking, 159. Naturalness, weak scale supersymmetry, and the prospect for the observation of supersymmetry at the fermilab tevatron and at the cern lhc. Supersymmetric models of particle physics predict new superpartner matter states for each particle in the standard. Weak scale supersymmetry, cup 2006, by howard baer and xerxes. Taken all together, the data seem to suggest that weak scale supersymmetry wss 18, if viable, must have at least strongly coupled superpartners with soft susy breaking parameters m sof t in. Use features like bookmarks, note taking and highlighting while reading weak scale supersymmetry. If your interest in supersymmetry is primarily the mssm and its phenomenology, this is the book to buy. Exploring the bwca binowino coannihilation scenario for neutralino dark matter. Weak scale supersymmetry pdf adobe drm can be read on any device that can open pdf adobe drm files. Supersymmetric models of particle physics predict new superpartner matter states for each known. An introduction to the ideas and current state of weak scale supersymmetry is given.
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