English
Related papers

Related papers: Technicolor and Precision Tests of the Electroweak…

200 papers

The oblique parameters $S$ and $T$ are calculated in a gauged unparticles model based on the electroweak group $SU(2)*U(1)$ and it's parameters space is constrained using electroweak precision measurements.

High Energy Physics - Phenomenology · Physics 2020-10-28 Hamza Taibi , Nourredine Mebarki

This review is based on lectures on technicolor and extended technicolor presented at the Frascati Spring School in May 2000. I summarize the motivation and structure of this theory of dynamical breaking of electroweak and flavor…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kenneth Lane

Using new insights into strongly coupled gauge theories arising from analytic calculations and lattice simulations, we explore a framework for technicolor model building that relies on a non-trivial infrared fixed point, and an essential…

High Energy Physics - Phenomenology · Physics 2009-10-30 Thomas Appelquist , John Terning , L. C. R. Wijewardhana

This paper contains a review of recent precision measurements of electroweak observables and resulting tests of the electroweak Standard Model.

High Energy Physics - Experiment · Physics 2015-05-13 Martin W. Grunewald

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

The status of the precision tests of the electroweak interactions is reviewed in this paper. An emphasis is put on the Standard Model analysis based on measurements at LEP/SLC and the Tevatron. The results of the measurements of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Arif Akhundov

Technicolor, with extended technicolor, is the theory of dynamical electroweak and flavor symmetry breaking at energies far below the Planck scale. To motivate it, I describe the most important difficulties of the standard electroweak model…

High Energy Physics - Phenomenology · Physics 2016-09-01 Kenneth Lane

The electroweak corrections at the order of $O(\alpha_{ew}m_{t(b)}^2/m_W^2)$ to the partial widths of the $\tilde{t}_2 \to \tilde{g} + t$ and $\tilde{g} \to \tilde{t}_1 + \bar{t} $ decays (depending on the masses of the particles involved)…

High Energy Physics - Phenomenology · Physics 2015-06-25 Hou Hong-Sheng , Ma Wen-Gan , Wan Lang-Hui , Zhang Ren-You

We present an overview of the present status and prospects for progress in electroweak measurements at future collider experiments leading to precision tests of the Standard Model of Electroweak Interactions. Special attention is paid to…

High Energy Physics - Phenomenology · Physics 2016-09-06 U. Baur , M. Demarteau

The contribution to precision electroweak measurements due to TeV physics which couples primarily to the $W^\pm$ and $Z$ bosons may be parameterized in terms of the three `oblique correction' parameters, S, T and U. We extend this…

High Energy Physics - Phenomenology · Physics 2014-05-16 Ivan Maksymyk , C. P. Burgess , David London

The electroweak chiral Lagrangian for the topcolor assisted technicolor model proposed by K. Lane, which uses nontrivial patterns of techniquark condensation and walking, was investigated in this study. We found that the features of the…

High Energy Physics - Phenomenology · Physics 2015-03-19 Feng-Jun Ge , Shao-Zhou Jiang , Qing Wang

We consider a minimal technicolor model in which the ordinary and technicolor sectors are coupled by a {\it massless} scalar doublet. When technicolor interactions become strong, the resulting technicolor condensate not only breaks the…

High Energy Physics - Phenomenology · Physics 2009-09-11 Christopher D. Carone , Howard Georgi

We examine the temperature-dependent electroweak phase transition in extensions of the Standard Model in which the electroweak symmetry is spontaneously broken via strongly coupled, nearly-conformal dynamics. In particular, we focus on the…

High Energy Physics - Phenomenology · Physics 2008-11-26 James M. Cline , Matti Jarvinen , Francesco Sannino

A reexamination is made of one-loop oblique electroweak corrections. General definitions are given of the oblique parameters without reference to any $q^2$-expansion scheme. The old oblique parameters S,T and U are defined as differences of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Anirban Kundu , Probir Roy

A fifth force, of technicolor type, responsible for breaking the electroweak theory is an intriguing extension of the Standard Model. Recently new theories have been shown to feature walking dynamics for a very low number of techniflavors…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sven Bjarke Gudnason , Chris Kouvaris , Francesco Sannino

Technicolor theories provide an elegant mechanism for dynamical electroweak symmetry breaking. We will discuss the use of lattice simulations to study the strongly-interacting dynamics of some of the candidate theories, with matter fields…

High Energy Physics - Lattice · Physics 2009-09-18 C. Pica , L. Del Debbio , B. Lucini , A. Patella , A. Rago

We show how precision electroweak data, assuming CP conservation and flavor universality, despite being sensitive to 20 dimension 6 operators, constrain severely only 9 combinations of them. We define a set of 7 oblique parameters $\hat S,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Guido Marandella

Technicolor and other theories of dynamical electroweak symmetry breaking invoke chiral symmetry breaking triggered by strong gauge-dynamics, analogous to that found in QCD, to explain the observed W, Z, and fermion masses. In this talk we…

High Energy Physics - Lattice · Physics 2011-05-18 R. Sekhar Chivukula , Elizabeth H. Simmons

I discuss two aspects of the electroweak interactions: the status of the precision measurement of the electroweak parameters and their impact on the Higgs search at future colliders.

High Energy Physics - Phenomenology · Physics 2008-11-26 Zoltan Kunszt

Strong rescattering corrections to one-loop contributions to the parameters of the standard electroweak model are considered.

High Energy Physics - Phenomenology · Physics 2009-10-22 Mary K. Gaillard