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Related papers: Oblique electroweak corrections and triple vector …

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We evaluate the constraints on anomalous trilinear gauge-boson couplings that can be obtained from the study of electron-positron annihilation into $W$ pairs at a facility with either the electron beam longitudinally polarized or both…

High Energy Physics - Phenomenology · Physics 2009-10-28 V. V. Andreev , A. A. Pankov , N. Paver

We place bounds on anomalous gauge boson couplings from LEP data with particular emphasis on those couplings which do not contribute to $Z$ decays at tree level. We use an effective field theory formalism to compute the one-loop corrections…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Dawson , G. Valencia

We study quadratically divergent radiative corrections to the oblique parameters at LEP1 induced by non-standard vector boson self-couplings. We work in the Stueckelberg formalism and regulate the divergences through a gauge-invariant…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. J. van der Bij , Boris Kastening

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

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

The review of the measurements of the gauge couplings in the boson sector at LEP is presented. The measurements of the charged triple gauge couplings (cTGC) parameters from the four LEP experiments are combined and the results are in good…

High Energy Physics - Experiment · Physics 2007-05-23 Paolo Spagnolo

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…

We briefly review the limits on new interactions implied by electroweak precision data. Special attention is payed to the bounds on the Higgs boson mass. We also comment on the required cancellation among the new contributions to precisely…

High Energy Physics - Phenomenology · Physics 2015-05-28 F. del Aguila , J. de Blas

We constrain $C\!P$-violating charged and neutral anomalous triple gauge couplings using LHC measurements and projections of diboson and VBF $Vjj$ production, both with subsequent leptonic decays. For triple gauge couplings involving $W$…

High Energy Physics - Phenomenology · Physics 2021-04-28 Anke Biekötter , Parisa Gregg , Frank Krauss , Marek Schönherr

Using a general (non-linear) effective field theory description of the Standard Model electroweak symmetry breaking, we analyse the impact on the electroweak oblique parameters of hypothetical heavy resonance states strongly coupled to the…

High Energy Physics - Phenomenology · Physics 2025-03-11 Antonio Pich , Ignasi Rosell , Juan José Sanz-Cillero

Precision electroweak data allow one to test the standard model, constrain its parameters, and search for the effects of some kinds of new physics. The results of the most recent data from LEP, SLC, and elsewhere are described, as are their…

High Energy Physics - Phenomenology · Physics 2007-05-23 Paul Langacker

We consider the three CP-conserving dimension-6 operators that encode the leading new-physics effects in the triple gauge couplings. The contributions to the standard-model electromagnetic dipole and semi-leptonic vector and axial-vector…

High Energy Physics - Phenomenology · Physics 2015-09-11 Christoph Bobeth , Ulrich Haisch

Over the last decade, precise LEP and SLC measurements of electroweak coupling parameters at the Z0 pole have lead to tests of the Standard Model to unprecedented precision. This report presents a comprehensive review of these studies,…

High Energy Physics - Experiment · Physics 2016-11-23 B. A. Schumm

A direct measurement of the trilinear $WW\gamma$ and $WWZ$ couplings is possible in the pair production of electroweak bosons at $e^+e^-$ and hadron colliders. This talk addresses some of the theoretical issues: the parameterization of…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. Zeppenfeld

We present updated global fits of the Standard Model and beyond to electroweak precision data, taking into account recent progress in theoretical calculations and experimental measurements. From the fits, we derive model-independent…

High Energy Physics - Phenomenology · Physics 2014-11-27 Marco Ciuchini , Enrico Franco , Satoshi Mishima , Maurizio Pierini , Laura Reina , Luca Silvestrini

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…

By means of a model-independent analysis, we discuss the constraints on anomalous trilinear gauge-boson couplings that can be obtained from the study of electron-positron annihilation into $W$ pairs at LC with \sqrt{s}=0.5 TeV and 1 TeV. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Pankov , N. Paver

We discuss the meaning of anomalous vector boson self couplings. Implications of present experimental constraints for future colliders are discussed. Results for triple vector boson production at the LHC are given.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. J. van der Bij , A. Ghinculov

We enumerate various effective couplings that contribute to the mixings between an exotic vector boson $Z^{\prime}$ and the neutral electroweak vector bosons. The miscellaneous mixing patterns can be evaluated perturbatively. The effective…

High Energy Physics - Phenomenology · Physics 2022-11-23 Chengfeng Cai , Dayun Qiu , Yi-Lei Tang , Zhao-Huan Yu , Hong-Hao Zhang

We have analysed the production of WW and WZ vector-boson pairs at the LHC. These processes give rise to four-fermion final states, and are particularly sensitive to possible non-standard trilinear gauge-boson couplings. We have studied the…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , A. Kaiser