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Related papers: Electroweak Symmetry Breaking without a Higgs Boso…

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We examine the phenomenology of a warped 5-dimensional model based on SU(2)$_L \times$ SU(2)$_R \times$ U(1)$_{B-L}$ model which implements electroweak symmetry breaking through boundary conditions, without the presence of a Higgs boson. We…

High Energy Physics - Phenomenology · Physics 2009-11-10 H. Davoudiasl , J. L. Hewett , B. Lillie , T. G. Rizzo

If the SM Higgs boson does not exist, electroweak symmetry breaking may be realized via a strong interaction with a typical scale Lambda > 1 TeV. Resonances from the strong sector may help to unitarize WW scattering, which becomes strong in…

High Energy Physics - Phenomenology · Physics 2011-11-22 Francesco Bernardini , Francesco Coradeschi , Daniele Dominici

The future Large Hadron Electron Collider (LHeC) would enable collisions of an intense electron beam with either protons or heavy ions at the High Luminosity-Large Hadron Collider (HL- LHC). With a center of mass energy greater than a TeV…

High Energy Physics - Experiment · Physics 2023-02-28 Subhasish Behera , Manuel Hageluken , Matthias Schott

Interaction of Higgs scalar (H) with weak gauge bosons (V=W,Z) is the {\it key} to understand electroweak symmetry breaking (EWSB) mechanism. New physics effects in the HVV interactions, as predicted by models of compositeness,…

High Energy Physics - Phenomenology · Physics 2010-04-05 Hong-Jian He , Yu-Ping Kuang , C. -P. Yuan , Bin Zhang

A study on effective anomalous interactions up to dimension 5 of the top quark with the electroweak gauge bosons is made in the non-linear Chiral Lagrangian approach. Bounds on the anomalous dimension four terms are obtained from their…

High Energy Physics - Phenomenology · Physics 2014-11-17 F. Larios , Ehab Malkawi , C. -P. Yuan

It has recently been shown that the studies of strongly-interacting electroweak symmetry breaking (EWSB) at photon colliders, via photon splitting into $W$ pair followed by longitudinal $W$-boson scattering, could be possible. Here we…

High Energy Physics - Phenomenology · Physics 2009-10-28 Kingman Cheung

The search for supersymmetry with the ATLAS experiment at the CERN Large Hadron Collider intensified after the discovery of the Higgs boson in 2012. The search programme expanded in both breadth and depth, profiting from the increased…

High Energy Physics - Experiment · Physics 2025-04-25 ATLAS Collaboration

Considering the one-loop calculation of the oblique S and T parameters, we have presented a study of the viability of strongly-coupled scenarios of electroweak symmetry breaking with a light Higgs-like boson. The calculation has been done…

High Energy Physics - Phenomenology · Physics 2015-06-16 Antonio Pich , Ignasi Rosell , Juan Jose Sanz-Cillero

The framework of a warped extra dimension with the Standard Model (SM) fields propagating in it is a very well-motivated extension of the SM since it can address both the Planck-weak and flavor hierarchy problems of the SM. Within this…

High Energy Physics - Phenomenology · Physics 2015-03-13 Kaustubh Agashe , Aleksandr Azatov , Tao Han , Yingchuan Li , Zong-Guo Si , Lijun Zhu

Future high energy linear electron positron colliders with centre-of-mass enegies between 90 and 1000 GeV offer a unique opportunity to study precisely the Standard Model and phenomena from new physics. Most important, the mechanism of…

High Energy Physics - Experiment · Physics 2007-05-23 Wolfgang Menges

Any consideration of future physics facilities must be made in the context of the Tevatron and the LHC. I discuss some examples of physics results which could emerge from these machines and the resulting questions which would remain for a…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Dawson

We investigate the signatures of the recently proposed Higgsless models at future colliders. We focus on tests of the mechanism of partial unitarity restoration in the longitudinal vector boson scattering, which do not depend on any…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andreas Birkedal , Konstantin T. Matchev , Maxim Perelstein

Due to the mass gap between the Standard Model and possible New Physics states, electroweak effective approaches are appropriate. Although a linear realization of the electroweak symmetry breaking with the Higgs forming a doublet together…

High Energy Physics - Phenomenology · Physics 2019-10-07 Ignasi Rosell , Claudius Krause , Antonio Pich , Juan José Sanz-Cillero

We present a new probe of strongly coupled electroweak symmetry breaking at the 14 TeV LHC by measuring a phase shift in the event distribution as a function of the decay azimuthal angles in massive gauge boson scattering. A large phase…

High Energy Physics - Phenomenology · Physics 2015-12-16 Hitoshi Murayama , Vikram Rentala , Jing Shu

The investigation of the dynamics responsible for electroweak symmetry breaking is one of the prime tasks of experiments at present and future colliders. Experiments at the Tevatron ppbar Collider and at the CERN Large Hadron Collider (LHC)…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Buescher , K. Jakobs

A new heavy resonance may be observable at the LHC if it has a significant decay branching fraction into a pair of photons. We entertain this possibility by looking at the modest excess in the diphoton invariant mass spectrum around 750 GeV…

High Energy Physics - Phenomenology · Physics 2017-01-17 Amine Ahriche , Gaber Faisel , Salah Nasri , Jusak Tandean

We construct a model in which electro-weak symmetry breaking is induced by a strongly coupled sector, which is described in terms of a five-dimensional model in the spirit of the bottom-up approach to holography. We compute the precision…

High Energy Physics - Phenomenology · Physics 2015-06-03 Daniel Elander , Maurizio Piai

We classify the sensitivities of the future high energy hadron and electron colliders, such as the LHC and the future Linear Colliders, to probing all the next-to-leading order (NLO) bosonic operators for studying the electroweak symmetry…

High Energy Physics - Phenomenology · Physics 2009-10-30 H. -J. He , Y. -P. Kuang , C. -P. Yuan

I give a pedagogical introduction to the physics of electroweak symmetry breaking and the uses of effective field theory in the context of Higgs physics. Higgs boson production and decay at the LHC and the consistency of the Higgs…

High Energy Physics - Phenomenology · Physics 2018-01-03 S. Dawson

Vector-boson scattering (VBS) processes probe the innermost structure of electroweak interactions in the Standard Model, and provide a unique sensitivity for new physics phenomena affecting the gauge sector. In this review, we report on the…

High Energy Physics - Phenomenology · Physics 2021-06-29 Roberto Covarelli , Mathieu Pellen , Marco Zaro