A SU(3) Extension of the Minimal Supersymmetric Standard Model with Q 6 -Flavour-Symmetry PDF Download
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Author: Torsten Schmidt
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Book Description
Author: Torsten Schmidt
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Book Description
Author: Giorgio Gamberini
Publisher: Edizioni della Normale
ISBN: 9788876422744
Category : Science
Languages : en
Pages : 0
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Book Description
A way to solve the naturalness problem of the Higgs mass arising from the standard model is to introduce a new symmetry: the supersymmetry. Supersymmetry predicts, along with every particle, its supersymmetric counterpart, which has the same internal quantum numbers, the same mass (if supersymmetry is not broken) and an intrinsic angular momentum differing by half a unity from the first one. Phenomenologically it is evident that if supersymmetry does exist, it is broken. Nowadays it seems that the more realistic and phenomenologically acceptable models of supersymmetry are the minimal N=1 supergravity models. The purpose of this thesis is to study the various experimental possibilities of testing the Minimal Supersymmetric Standard Model (MSSM). Altough the MSSM is only a particular model along a wide class of possible supersymmetric extensions of the standard model, it is considered here because of its simplicity which entails strong and definite phenomenological predictions. We will show that the MSSM can indeed be fully tested in the next high-energy experiments.
Author: Teresa Rodrigo
Publisher: World Scientific
ISBN: 9814548847
Category :
Languages : en
Pages : 340
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Book Description
This meeting discussed the experimental results and theoretical aspects in the field of high energy physics, with special reference to the top quark observation, heavy flavor physics and symmetry-breaking mechanisms. The major topics are developed in a series of course lectures.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Author: Roman Pasechnik
Publisher: Frontiers Media SA
ISBN: 2889639908
Category : Science
Languages : en
Pages : 180
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Book Description
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Author: Muller-kirsten Harald J W
Publisher: World Scientific Publishing Company
ISBN: 9813100966
Category : Science
Languages : en
Pages : 452
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Book Description
Supersymmetry is a symmetry which combines bosons and fermions in the same multiplet of a larger group which unites the transformations of this symmetry with that of spacetime. Thus every bosonic particle must have a fermionic partner and vice versa. Since this is not what is observed, this symmetry with inherent theoretical advantages must be badly broken. It is hoped that the envisaged collider experiments at CERN will permit a first experimental test, which is expected to revive the interest in supersymmetry considerably.This revised edition of the highly successful text of 20 years ago provides an introduction to supersymmetry, and thus begins with a substantial chapter on spacetime symmetries and spinors. Following this, graded algebras are introduced, and thereafter the supersymmetric extension of the spacetime Poincaré algebra and its representations. The Wess-Zumino model, superfields, supersymmetric Lagrangians, and supersymmetric gauge theories are treated in detail in subsequent chapters. Finally the breaking of supersymmetry is addressed meticulously. All calculations are presented in detail so that the reader can follow every step.
Author: Roberto Casalbuoni
Publisher: World Scientific
ISBN: 9814549363
Category :
Languages : en
Pages : 318
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Book Description
The workshop collected together theoreticians and experimentalists for a discussion about the most recent experiments and their impact on theoretical ideas. The discussion included the new data from LEP and SLD, the evidence for the top quark from Tevatron, the structure function measurements from HERA, and the searches for dark matter. Also, new projects for physics with large neutrino detectors and CP violation at e+e- factories were presented, and a survey of high energy astroparticle physics was included. Particular attention was paid to the interplay between microscopical and cosmological scales.
Author: Antonino Zichichi
Publisher: Springer Science & Business Media
ISBN: 1461538289
Category : Science
Languages : en
Pages : 470
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Book Description
During July-August 1989. a group of 75 physicists from 52 laboratories in 16 countries met in Erice for the 27th Course of the International School of Subnuclear Physics. The countries represented were: Austria. Bulgaria. Canada. China. Denmark. France. the Federal Republic of Germany. Hungary. India. Italy. Pakistan. Poland. Switzerland. United Kingdom. and the Union of the Soviet Socialist Republics and the United States of America. The School was sponsored by the European Physical Society (EPS). the Italian Ministry of Education (MPI). the Italian Ministry of Scientific and Technological Research (MRST). the Sicilian Regional Government (ERS). and the Weizmann Institute of Science. In addition to some crucial problems in the Superworld Theory. developed by S. Ferrara and L. Hall. the School was focused on the most advanced topics which have attracted our attention during the last year. These are of a phenomenological nature: the problem of the spin inside the proton (G. Altarelli). some crucial QCD tests (R. Baldini-Celio and S. Brodsky). the jet phenomenology as predicted by QCD (Y. Dokshitzer); and of basic (therefore by far more difficult to solve) value. such as the understanding of the fundamental constants of Nature (G. Veneziano) and the new ideas on the cosmological constant (A. Stominger and G. Veneziano).
Author: Edited by: Kisak
Publisher: CreateSpace
ISBN: 9781516953738
Category :
Languages : en
Pages : 224
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Book Description
Spontaneously-broken supersymmetry could solve many mysterious problems in particle physics including the hierarchy problem. The simplest realization of spontaneously-broken supersymmetry, the so-called Minimal Supersymmetric Standard Model, is one of the best studied candidates for physics beyond the Standard Model. There is only indirect evidence and motivation for the existence of supersymmetry. In my opinion the term "Supersymmetry" is a misnomer . Symmetry has always been a prevailing premise and aid to understand the fundamental behavior of the forces of nature, the sciences and most all fields of rigorous study.
Author: Kiel Howe
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Particle physics describes particles and their interactions at many energy scales, and different models can be characterized by the relationships between these scales. In a natural model, particle properties are insensitive to perturbations at higher energy scales, while in a tuned model particle properties are determined by delicate cancellations between processes even at energy scales separated by large hierarchies. Is our universe natural or tuned? The answer to this question can have dramatic consequences for the interpretation of fundamental theories and for our understanding of the inflationary birth of our universe. The discovery of a Standard Model-like Higgs Boson at the CERN Large Hadron Collider (LHC) has made concrete the possibility that our universe may be tuned. However, the observed particles of the Standard Model may still form part of a natural model if new particles and symmetries are present at energies observable at the LHC and future colliders. Supersymmetry is one possible extension of the Standard Model motivated by the idea of naturalness, but its minimal version is highly constrained by searches from the first run of the LHC. We describe extensions of the minimal supersymmetric model in which a little hierarchy between the masses of the new supersymmetric particles and the Standard Model particles is consistent with naturalness and current LHC searches. We also discuss the potential for discovering these models in the upcoming collisions at the upgraded LHC and future colliders.
