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Ten reasons are given why supersymmetry is the leading candidate for physics beyond the Standard Model. Ultimately, the experimental discovery of supersymmetric particles at future colliders will determine whether supersymmetry is relevant…

High Energy Physics - Phenomenology · Physics 2009-09-25 Howard E. Haber

The Standard Model of particle physics explains (almost) all observed non-gravitational microscopic phenomena but has many open theoretical questions. We are on the threshold of unraveling the mysteries of the Standard Model and discovering…

High Energy Physics - Phenomenology · Physics 2008-11-26 Piyush Kumar

An introduction to electroweak symmetry breaking and Higgs physics is presented for the Standard Model and its supersymmetric extensions. A brief overview will also be given on strong interactions of the electroweak gauge bosons in…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michael Spira , Peter M. Zerwas

Electroweak baryogenesis (EWBG) offers a compelling narrative for the generation of the baryon asymmetry, however it cannot be realised in the Standard Model, and leads to severe experimental tensions in the Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2023-03-22 Oleksii Matsedonskyi , James Unwin , Qingyun Wang

The connection between the scales of $ {\rm SU} (2)\times {\rm U} (1) $ gauge symmetry breaking and supersymmetry breaking is didactically displayed in the framework of a T.O.Y. (Theory Overestimating Yukawas) model, a version of the $…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. A. Savoy

In sufficiently complex models with many parameters that are unknown or undetermined from first principles, a small coupling or mass can naturally arise even if it is not protected by a symmetry or a result of some dynamics. For the…

High Energy Physics - Phenomenology · Physics 2017-02-28 Radovan Dermisek

In a generic 'universal' theory of electroweak symmetry breaking, non fine-tuned heavy new physics affects the low-energy data through four parameters, which include and properly extend the generally insufficient S and T. Only by adding the…

High Energy Physics - Phenomenology · Physics 2009-10-09 Riccardo Barbieri , Alex Pomarol , Riccardo Rattazzi , Alessandro Strumia

New field content beyond that of the Standard Model of particle physics can alter the thermal history of electroweak symmetry breaking in the early universe. In particular, the symmetry breaking may have occurred through a sequence of…

High Energy Physics - Phenomenology · Physics 2021-05-12 Lauri Niemi , Michael J. Ramsey-Musolf , Tuomas V. I. Tenkanen , David J. Weir

The Exceptional Supersymmetric Standard Model (E6SSM) is an E6 inspired model with an extra gauged U(1) symmetry, which solves the mu-problem in a similar way to the NMSSM but without the accompanying problems of singlet tadpoles or domain…

High Energy Physics - Phenomenology · Physics 2008-11-26 Peter Athron , S. F. King , D. J. Miller , S. Moretti , R. Nevzorov

A new type of scalar potential inspired by unparticles is proposed for the electroweak symmetry breaking. The interaction between the standard model fields and unparticle sector is described by the non-integral power of fields that…

High Energy Physics - Phenomenology · Physics 2008-03-14 Jong-Phil Lee

We analyse and compare the finite-temperature electroweak phase transition properties of classically (non)conformal extensions of the Standard Model. In the classically conformal scenarios the breaking of the electroweak symmetry is…

High Energy Physics - Phenomenology · Physics 2020-03-11 Francesco Sannino , Jussi Virkajärvi

Motivations for physics beyond the Standard Model are reviewed, with particular emphasis on supersymmetry at the TeV scale. Constraints on the minimal supersymmetric extension of the Standard Model with universal soft supersymmetry-breaking…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Ellis

Recent developments of physics at the TeV energy scale, especially physics related to the electron-positron linear colliders are briefly reviewed. The topics include the present status of the standard model, Higgs physics, supersymmetry,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu-Ping Kuang

Effective Supersymmetry is presented as a theory of physics above the electroweak scale which has significant theoretical advantages over both the standard model and the Minimal Supersymmetric Standard Model (MSSM). The theory is…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. G. Cohen , D. B. Kaplan , A. E. Nelson

One of the major goals of the Large Hadron Collider is to probe the electroweak symmetry breaking mechanism and the generation of the masses of the elementary particles. We review the physics of the Higgs sector in the Standard Model and…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. Djouadi , R. M. Godbole

We discuss electroweak constraints on TeV scale extensions of the standard model. To obtain model-independent results, effective theory approach is adopted. Constraints are given on arbitrary linear combinations of a set of dimension-6…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zhenyu Han

An empirical formula relating the physical masses of elementary particles and the Fermi constant is proposed. Although no mechanism or theoretical model behind this formula is advocated, we seek for a possible physical interpretation. If…

High Energy Physics - Phenomenology · Physics 2013-05-21 G. Lopez Castro , J. Pestieau

These lectures provide a concise introduction to the so-called "Beyond the Standard Model"' physics, with particular emphasis on the problem of the microscopic origin of the Higgs mass term and of the Electro-Weak symmetry breaking scale in…

High Energy Physics - Phenomenology · Physics 2019-01-07 Andrea Wulzer

Dynamical symmetry breaking provides a possible solution to the electroweak hierarchy problem. It requires new strong interactions that are effective at some high-energy scale. If there is no light Higgs boson, this scale is constrained to…

High Energy Physics - Phenomenology · Physics 2009-09-29 W. Kilian

Electroweak precision tests of the Standard Model of the fundamental interactions are reviewed ranging from the lowest to the highest energy experiments. Results from global fits are presented with particular emphasis on the extraction of…

High Energy Physics - Phenomenology · Physics 2012-09-25 Jens Erler