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Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (16 download)
Download or read book Lower Limits on R Parity Violating Couplings in Supersymmetry written by and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (16 download)
Download or read book Search for R-parity Violating Supersymmetry Via the LL Anti-E Couplings Lambda(121), Lambda(122) Or Lambda(133) in P Anti-p Collisions at S**ư written by and published by . This book was released on 2006 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for gaugino pair production with a trilepton signature in the framework of R-parity violating supersymmetry via the couplings ?121, ?122, or ?133 is presented. The data, corresponding to an integrated luminosity of L ≈ 360 pb−1, were collected from April 2002 to August 2004 with the D0 detector at the Fermilab Tevatron Collider, at a center-of-mass energy of √s = 1.96 TeV. This analysis considers final states with three charged leptons with the flavor combinations eel, ??l, and ee? (l = e or ?). No evidence for supersymmetry is found and limits at the 95% confidence level are set on the gaugino pair production cross section and lower bounds on the masses of the lightest neutralino and chargino are derived in two supersymmetric models.
Download or read book Searches for R-parity-violating Supersymmetry in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented from searches for R-parity-violating supersymmetry in events produced in pp collisions at sqrt(s)=8 TeV at the LHC. Final states with 0, 1, 2, or multiple leptons are considered independently. The analysis is performed on data collected by the CMS experiment corresponding to an integrated luminosity of 19.5 inverse femtobarns. No excesses of events above the standard model expectations are observed, and 95% confidence level limits are set on supersymmetric particle masses and production cross sections. The results are interpreted in models featuring R-parity-violating decays of the lightest supersymmetric particle, which in the studied scenarios can be either the gluino, a bottom squark, or a neutralino. In a gluino pair production model with baryon number violation, gluinos with a mass less than 0.98 and 1.03 TeV are excluded, by analyses in a fully hadronic and one-lepton final state, respectively. An analysis in a dilepton final state is used to exclude bottom squarks with masses less than 307 GeV in a model considering bottom squark pair production. Multilepton final states are considered in the context of either strong or electroweak production of superpartners, and are used to set limits on the masses of the lightest supersymmetric particles. These limits range from 300 to 900 GeV in models with leptonic and up to approximately 700 GeV in models with semileptonic R-parity-violating couplings.
Author :
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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (727 download)
Download or read book R-parity Breaking in Low Energy Supergravity Models written by and published by . This book was released on 1989 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The existence of R-parity violating interactions in supersymmetric models leads to various rare processes at low energies, deviations from the standard model predictions on weak interactions and new signals in collider experiments. The present limits on R-violating couplings in the minimal low energy supergravity model are derived. The effects of R-parity violation on the experimental search for supersymmetry are also briefly discussed. 9 refs.
Author : Daniela Käfer
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (18 download)
Download or read book Search for R-parity Violating Supersymmetry in Multilepton Final States with the D0 Detector written by Daniela Käfer and published by . This book was released on 2006 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Catherine Vander Velde
Publisher : World Scientific
ISBN 13 : 9814547700
Total Pages : 1042 pages
Book Rating : 4.8/5 (145 download)
Download or read book Eps: High Energy Physics '95: Proceedings Of The International Europhysics Conference written by Catherine Vander Velde and published by World Scientific. This book was released on 1996-05-28 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gordon Kane
Publisher : World Scientific
ISBN 13 : 9814464864
Total Pages : 604 pages
Book Rating : 4.8/5 (144 download)
Download or read book Perspectives On Supersymmetry Ii written by Gordon Kane and published by World Scientific. This book was released on 2010-04-14 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 importantly, it opens a window for studying and testing fundamental theories at the Planck scale. Experimentally we are finally entering the intensity and energy and sensitivity regions where superpartners and supersymmetric dark matter candidates 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 consequences for understanding the cosmological history of the universe, and more.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.This superb book will allow interested physicists to understand the coming experimental and theoretical progress in supersymmetry and the implications of discoveries of superpartners, and will also help students and workers to quickly learn new aspects of supersymmetry they want to pursue.
Author : G. L. Kane
Publisher : World Scientific
ISBN 13 : 9814307483
Total Pages : 604 pages
Book Rating : 4.8/5 (143 download)
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. --
Author : Hans Volker Klapdor-kleingrothaus
Publisher : World Scientific
ISBN 13 : 9814546364
Total Pages : 758 pages
Book Rating : 4.8/5 (145 download)
Download or read book Dark Matter In Astro- And Particle Physics, Dark '96 written by Hans Volker Klapdor-kleingrothaus and published by World Scientific. This book was released on 1997-10-13 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the talks presented at the International Workshop on Aspects of Dark Matter in Astro- and Particle Physics (DARK '96). It provides a thorough presentation and discussion of the topic of dark matter, which currently seems to be one of the most exciting problems of modern physics, in the perspectives of different disciplines like astronomy, astrophysics, cosmology and particle physics.The lectures and talks range from astronomical evidence in galaxies and galaxy clusters, recent information provided by X rays (ROSAT satellite) and by observation of MACHOs, to early universe and particle physics solutions to the dark matter problem, including simultaneous solutions to the problems of baryogenesis and dark matter. Beyond the favoured supersymmetric candidates, the more exotic dark matter proposals are also discussed. The experimental section examines the most recent efforts in direct and indirect experiments, including new techniques like cryogenic detectors and superheated droplet detectors, as well as efforts with large scale underground detectors like MACRO, Baksan, Baikal and AMANDA. Also, the potential of present and future (LHC) high energy accelerators is thoroughly discussed. A section on hot dark matter gives the current status of experiments searching for a neutrino mass, like double beta decay and neutrino oscillation experiments, including intermediate scale long baseline experiments.
Author : European Organization for Nuclear Research
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.X/5 (3 download)
Download or read book Workshop on CP Studies and Non-standard Higgs Physics written by European Organization for Nuclear Research and published by . This book was released on 2006 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Carr
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863321461
Total Pages : 1044 pages
Book Rating : 4.3/5 (214 download)
Download or read book Proceedings of the International Europhysics Conference on High Energy Physics written by John Carr and published by Atlantica Séguier Frontières. This book was released on 1994 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard Baer
Publisher : Cambridge University Press
ISBN 13 : 1009289845
Total Pages : 557 pages
Book Rating : 4.0/5 (92 download)
Download or read book Weak Scale Supersymmetry written by Howard Baer and published by Cambridge University Press. This book was released on 2023-01-31 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: This OA text develops the basic concepts of supersymmetry for experimental and phenomenological particle physicists and graduate students.
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Author : D. DECAMP
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book SEARCH for Supersymmetry with a dominant R-Parity violating LQD Coupling in e exp plus e exp minus Collisions at centre-of-mass energies of 130 GeV to 172 GeV [Extras] written by D. DECAMP and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gordon Kane
Publisher : World Scientific
ISBN 13 : 9814495824
Total Pages : 503 pages
Book Rating : 4.8/5 (144 download)
Download or read book Perspectives On Supersymmetry written by Gordon Kane and published by World Scientific. This book was released on 1998-07-03 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Matthew Henry Klein
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (982 download)
Download or read book Search for R-parity Violating Supersymmetry in Multilepton Final States Using the ATLAS Detector written by Matthew Henry Klein and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a search for R-parity violating supersymmetry at sqrt(s)=13 TeV, using approximately 13.3 fb-1 of data collected by ATLAS in 2015 and the first half of 2016. Events are required to contain at least four leptons (electrons or muons only) that are not the product of a Z boson decay, and this requirement results in a low Standard Model background and a high sensitivity to various physics models beyond the Standard Model. No significant deviations from the Standard Model are observed in data, and results are used to set upper limits on the event yields from processes beyond the Standard Model. In a simplified model of chargino production with indirect R-parity violating decays, limits are extended by approximately 400 GeV relative to the Run 1 search, excluding chargino masses below 1.1 TeV.
Download or read book Search for R Parity Violating Supersymmetry Using Like-sign Dielectrons at CDF. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results of a search for like-sign dielectron plus multijet events using 107 pb[sup -1] of data at[radical]s= 1.8 TeV collected by the CDF experiment. Finding no events that pass our selection criteria, we set 95% confidence level upper limits on gluino-gluino ([tilde g][tilde g]) and squark-squark ([tilde q]-[anti[tilde q]]) production with R parity violating decays of the charm squark ([tilde c][sub L]) in[tilde g][yields] c[tilde c][sub L] and of the lightest neutralino ([tilde[xi]][sup 0][sub 1]) in[tilde q][yields] q[tilde[xi]][sup 0][sub 1] via a non-zero[lambda]'[sub 121] coupling. We compare our results to NLO calculations of gluino and squark production cross sections and set lower limits on the masses M([tilde g]), M([tilde t][sub 1]), and M([tilde q]).
Author : David E. Brahm
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (33 download)
Download or read book U(1)' Dark Matter and R-Parity Violation written by David E. Brahm and published by . This book was released on 1990 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
