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Related papers: Vector Resonances from a Strong Electroweak Sector…

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We consider the possibility of detecting vector resonances from a strong electroweak sector, in the framework of the BESS model, at future $e^+ e^-$ colliders up to the TeV range. If the mass $M_V$ of the new vector boson multiplet is not…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Casalbuoni , P. Chiappetta , A. Deandrea , S. De Curtis , D. Dominici , R. Gatto

We point out that the ratio of $W^+ W^- \to W^+ W^-$ and $W^+W^- \to ZZ$ cross sections is a sensitive probe of the dynamics of electroweak symmetry breaking, in the CM energy region $\sqrt {s_{\rm ww}^{}} \agt 1$~TeV where vector boson…

High Energy Physics - Phenomenology · Physics 2016-09-01 V. Barger , Kingman Cheung , T. Han , R. J. N. Phillips

We present some results on the usefulness of upgraded Tevatron, LHC proton proton collider and linear e+e- colliders in the TeV range to test the idea of a strongly interacting sector as responsible for the electroweak symmetry breaking.…

High Energy Physics - Phenomenology · Physics 2016-09-01 R. Casalbuoni , P. Chiappetta , A. Deandrea , S. De Curtis , D. Dominici , R. Gatto

If there are no light Higgs bosons found below $\cal O$(800 GeV) or so, the interactions among longitudinally-polarized vector bosons ($\wl$) will become strong at the TeV region, and new physics that is responsible for the electroweak…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tao Han

An effective lagrangian describing a strong interacting electroweak sector is considered. It contains new vector and axial-vector resonances all degenerate in mass and mixed with $W$ and $Z$. The model, for large mass of these degenerate…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Casalbuoni , A. Deandrea , S. De Curtis , D. Dominici , R. Gatto , M. Grazzini

We consider the possibility of observing deviations from the Standard Model gauge-boson self-couplings at a future $500$~GeV $e^+ e^-$ linear collider. We concentrate on the case in which the electroweak symmetry breaking sector is strongly…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. A. Likhoded , T. Han , G. Valencia

Extending earlier investigations, we analyze the quasi-elastic scattering of strongly interacting electroweak bosons at high-energy e+-e- colliders. The three processes e+e- -> bar-nu nu W+W-, bar-nu nu ZZ, and e-e- -> W-W- are examined at…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. Boos , H. -J. He , W. Kilian , A. Pukhov , C. -P. Yuan , P. M. Zerwas

The main attractions of studying the bosonic sector of the electroweak standard model and its extensions at a future high energy photon collider are reviewed. A presentation of the laser scheme for obtaining such a collider is given where…

High Energy Physics - Phenomenology · Physics 2008-02-03 M. Baillargeon , G. Belanger , F. Boudjema

The physics potential is briefly summarized for an e+e- linear collider operating at center-of-mass energies up to \sqrt{s} = 1 TeV and delivering integrated luminosities up to \int L = 0.5 ab^(-1) in one to two years. This machine will…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. M. Zerwas

Possible oblique effects from vector particles that are strongly coupled to the known gauge bosons are calculated for the case of final hadronic states produced at future $e^+e^-$ colliders, using a formalism that was recently proposed and…

High Energy Physics - Phenomenology · Physics 2019-08-17 J. Layssac , F. M. Renard , C. Verzegnassi

We study the process e^+e^- --> W^+W^- to probe low-scale gravity at high energy linear colliders. A characteristic signature of extra-dimensions models is the forward-backward asymmetry due to the interference of spin-2 graviton and spin-1…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Poulose

We are exploring a generic strongly-interacting Electroweak Symmetry Breaking Sector (EWSBS) with the low-energy effectie field theory for the four experimentally known particles ($W_L^\pm$, $Z_L$, $h$) and its dispersion-relation based…

High Energy Physics - Phenomenology · Physics 2016-08-03 Antonio Dobado , Feng-Kun Guo , Felipe J. Llanes-Estrada

We describe the anticipated experimental program of an e+e- linear collider in the energy range 500 GeV -- 1.5 TeV. We begin with a description of current collider designs and the expected experimental environment. We then discuss precision…

High Energy Physics - Experiment · Physics 2009-09-29 Hitoshi Murayama , Michael E. Peskin

We discuss the potential of a $0.5\hskip 2pt TeV$ linear collider to explore manifestations of extended (or alternative) electroweak models of current interest, through measurements of the reaction $e^+e^-\to W^+W^-$ with both initial and…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. A. Babich , A. A. Pankov , N. Paver

We discuss the prospects for detecting at a muon collider the massive new vector resonances V and light pseudo-Nambu-Goldstone bosons P of a typical strongly interacting electroweak sector (as represented by the BESS model). Expected…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Casalbuoni , S. De Curtis , D. Dominici , A. Deandrea , R. Gatto , J. F. Gunion

We describe the physics potential of $e^+e^-$ linear colliders in this report. These machines are planned to operate in the first phase at a center-of --mass energy of 500 GeV, before being scaled up to about 1 TeV. In the second phase of…

High Energy Physics - Phenomenology · Physics 2009-09-25 E. Accomando

Oblique contributions from vector particles that are strongly coupled to the known gauge bosons are calculated for the case of various observables at a 1 TeV $e^+e^-$ collider. Constraints provided by LEP 1 results are taken into account in…

High Energy Physics - Phenomenology · Physics 2019-08-17 J. Layssac , F. M. Renard , C. Verzegnassi

The virtual massive gauge boson effects on several observables in the process of charged fermion pairs production at $e^+e^-$ colliders are computed up to the TeV energy range in the Standard Model, working in the ``$Z$-peak subtracted''…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Beccaria , G. Montagna , F. Piccinini , F. M. Renard , C. Verzegnassi

The problem of electroweak symmetry breaking is reviewed with discussion of future relevant experimentation at LHC and $e^+e^-$ linear colliders. The possibility of strong electroweak symmetry breaking is examined in more detail, using the…

High Energy Physics - Phenomenology · Physics 2016-11-03 N. Di Bartolomeo , R. Gatto

We discuss how to experimentally study the electroweak symmetry breaking (EWSB) sector by observing $WW \to WW$ interactions in the TeV region. We discuss some general features of the event structure in the signal and the background events.…

High Energy Physics - Phenomenology · Physics 2016-11-03 C. -P. Yuan
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