Quarks Leptons And Supersymmetry
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Unification And Supersymmetry
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Author : Rabindra N. Mohapatra
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Unification And Supersymmetry written by Rabindra N. Mohapatra and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
The theoretical understanding of elementary particle interactions has under gone a revolutionary change during the past one and a half decades. The spontaneously broken gauge theories, which in the 1970s emerged as a prime candidate for the description of electro-weak (as weIl as strong) interactions, have been confirmed by the discovery of neutral weak currents as weIl as the w- and Z-bosons. We now have a field theory of electro-weak interactions at energy scales below 100 GeV-the Glashow-Weinberg-Salam theory. It is a renormalizable theory which enables us to do calculations without en countering unnecessary divergences. The burning question now is: Wh at lies ahead at the next level of unification? As we head into the era of supercolliders and ultrahigh energy machines to answer this question, many ap, pealing possi bilities exist: left-right symmetry, technicolor, compositeness, grand unifica ti on, supersymmetry, supergravity, Kaluza-Klein models, and most recently superstrings that even unify gravity along with other interactions. Experi ments will decide if any one or any combination of these is to be relevant in the description of physics at the higher energies. As an outcome of our con fidence in the possible scenerios for elementary particle physics, we have seen our understanding of the early uni verse improve significantly.
Unification And Supersymmetry
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Author : Rabindra Nath Mohapatra
language : en
Publisher: Springer Science & Business Media
Release Date : 1992
Unification And Supersymmetry written by Rabindra Nath Mohapatra and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Grand unified theories (Nuclear physics) categories.
Quarks And Leptons From Orbifolded Superstring
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Author : Kang-Sin Choi
language : en
Publisher: Springer Nature
Release Date : 2020-10-30
Quarks And Leptons From Orbifolded Superstring written by Kang-Sin Choi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-30 with Science categories.
This book offers a detailed guide on the journey towards the minimal supersymmetric standard model down the orbifold road. It takes the viewpoint that the chirality of matter fermions is an essential aspect that orbifold compactification allows to derive from higher-dimensional string theories in a straightforward manner. Halfway between textbook and tutorial review, the book is intended for the graduate student and particle phenomenologist wishing to get acquainted with this field.
Supersymmetric Grand Unified Theories
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Author : Stuart Raby
language : en
Publisher: Springer
Release Date : 2017-04-29
Supersymmetric Grand Unified Theories written by Stuart Raby and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-29 with Science categories.
These course-tested lectures provide a technical introduction to Supersymmetric Grand Unified Theories (SUSY GUTs), as well as a personal view on the topic by one of the pioneers in the field. While the Standard Model of Particle Physics is incredibly successful in describing the known universe it is, nevertheless, an incomplete theory with many free parameters and open issues. An elegant solution to all of these quandaries is the proposed theory of SUSY GUTs. In a GUT, quarks and leptons are related in a simple way by the unifying symmetry and their electric charges are quantized, further the relative strength of the strong, weak and electromagnetic forces are predicted. SUSY GUTs additionally provide a framework for understanding particle masses and offer candidates for dark matter. Finally, with the extension of SUSY GUTs to string theory, a quantum-mechanically consistent unification of the four known forces (including gravity) is obtained. The book is organized in three sections: the first section contains a brief introduction to the Standard Model, supersymmetry and the Minimal Supersymmetric Standard Model. Then SUSY GUTs in four space-time dimensions are introduced and reviewed. In addition, the cosmological issues concerning SUSY GUTs are discussed. Then the requirements for embedding a 4D SUSY GUT into higher-dimensional theories including gravity (i.e. String Theory) are investigated. Accordingly, section two of the course is devoted to discussing the so-called Orbifold GUTs and how in turn they solve some of the technical problems of 4D SUSY GUTs. Orbifold GUTs introduce a new set of open issues, which are then resolved in the third section in which it is shown how to embed Orbifold GUTs into the E(8) x E(8) Heterotic String in 10 space-time dimensions.
Proceedings Of The Seventeenth Rencontre De Moriond Les Arcs Savoie France March 14 26 1982 Quarks Leptons And Supersymmetry
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Author : J. Thanh Van Tran
language : en
Publisher: Atlantica Séguier Frontières
Release Date : 1982
Proceedings Of The Seventeenth Rencontre De Moriond Les Arcs Savoie France March 14 26 1982 Quarks Leptons And Supersymmetry written by J. Thanh Van Tran and has been published by Atlantica Séguier Frontières this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Gauge fields (Physics) categories.
Quarks Leptons And Supersymmetry
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Author : J. Thanh Van Tran
language : en
Publisher:
Release Date : 1982
Quarks Leptons And Supersymmetry written by J. Thanh Van Tran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
Search For Scalar Top Quarks And Higgsino Like Neutralinos
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Author : Takuya Nobe
language : en
Publisher: Springer
Release Date : 2015-11-30
Search For Scalar Top Quarks And Higgsino Like Neutralinos written by Takuya Nobe and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-30 with Science categories.
This book reports a search for theoretically natural supersymmetry (SUSY) at the Large Hadron Collider (LHC). The data collected with the ATLAS detector in 2012 corresponding to 20 /fb of an integrated luminosity have been analyzed for stop pair production in proton–proton collisions at a center-of-mass energy of 8 TeV at the Large Hadron Collider (LHC) in the scenario of the higgsino-like neutralino. The author focuses on stop decaying into a bottom quark and chargino. In the scenario of the higgsino-like neutralino, the mass difference between charginos and neutralinos (Δm) is expected to be small, and observable final-state particles are likely to have low-momentum (soft). The author develops a dedicated analysis with a soft lepton as a probe of particles from chargino decay, which suppresses the large amount of backgrounds. As a result of the analysis, no significant SUSY signal is observed. The 95% confidence-level exclusion limits are set to masses of stop and neutralino assuming Δm = 20 GeV. The region with ΔM (the mass difference between stop and neutralino) 70 GeV is excluded for the first time at stop mass of less than 210 GeV. The author also excludes the signals with ΔM 120 GeV up to 600 GeV of stop mass with neutralino mass of less than 280 GeV. The author clearly shows very few remaining parameter spaces for light stop (e.g., topology of stop decay is extremely similar to the SM top quark) by combining his results and previous ATLAS analyses. His results provide a strong constraint to searches for new physics in the future.
Introduction To Supersymmetry In Particle And Nuclear Physics
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Author : O. Castanos
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Introduction To Supersymmetry In Particle And Nuclear Physics written by O. Castanos and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
In the fall of 1981 the Centro de Estudios Nucleares of the Universidad Nacional Aut6noma de Mexico organized an International School of Supersymmetry which took place in Mexico City from Dec. 14 to Dec. 18. The purpose of this School was to provide both students and researchers with an introduction to Supersymmetry as weIl as an overview of current research topics. A general introduction to the subject was given by Dr. Freedman while Dr. Grisaru discussed the superspace formulation of Supersym metry and Supergravity. Applications of these ideas to Particle Physics were discussed by Dr. Ferrara and Dr. Witten. Finally, Dr. Bars presented the basic framework for the discussion of Supersym metries in Nuclear Physics. We would like to take this opportunity to thank our lecturers for their enthusiastic participation in the School. The collaboration of Dr. Marcos Rosenbaum, Director of the Centro de Estudios Nucleares, and of all our colleagues in the Physics Department is also gratefully acknowledged. We also thank Mrs. Ma. Esther Colmenares for her careful typing of the manuscript and also for her unlimited patience in making all the necessary corrections. The help of Mr. Jose Rangel with symbols and figures is also deeply appreciated.
Quarks Leptons And Their Constituents
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Author : Antonino Zichichi
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Quarks Leptons And Their Constituents written by Antonino Zichichi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
From 5 to 15 August 1984, a group of 79 physicists from 61 laboratories in 26 countries met in Erice for the 22nd Course of the International School of Subnuclear Physics. The countries represented were Austria, Belgium, Brazil, Bulgaria, Canada, People's Republic of China, Denmark, the Federal Republic of Germany, France, Greece, Hungary, Iran, Israel, Italy, Japan, Korea, Malaysia, Mexico, the Netherlands, Pakistan, Poland, Sweden, Switzerland, Turkey, the United Kingdom, the United States of America. The School was sponsored by the Italian Ministry of Public Education (MPI), the Italian Ministry of Scientific and Technologi cal Research (MRST), the Regional Sicilian Government (ERS), and the Weizmann Institute of Science. The programme of the School was devoted to a review of the most significant results in theoretical and experimental research work on the interactions between what we believe today are the point like constituents of the world: quarks and leptons. It should however not be forgotten that many problems are still to be understood: especially in the forefront of the correla tion between quarks and leptons. This game started in 1966 with the proposal for "leptonic quarks" and went on with "preons" and "rishons" just to quote the most famous attempts to unify these two worlds.
Quarks Leptons And Supersymmetry
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Author : J. Thanh Van Tran
language : en
Publisher:
Release Date : 1982
Quarks Leptons And Supersymmetry written by J. Thanh Van Tran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Collisions (Nuclear physics) categories.