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Related papers: Single W Production at LEP2

200 papers

A study of W-pair production in e+e- annihilations at Lep2 is presented, based on 877 W+W- candidates corresponding to an integrated luminosity of 57 pb-1 at sqrt(s) = 183 GeV. Assuming that the angular distributions of the W-pair…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , G. Abbiendi et al

We study possibilities to measure the triple anomalous W-boson couplings to photon in the $e\gamma\to W\nu$ process via its lepton decay channel (with the simplest signature). We found that in the study of the $W$ quadruple momentum…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dmitriy A. Anipko , Ilya F. Ginzburg , Alexey V. Pak

We present a phenomenology study on central exclusive production of $W^+W^-$ boson pairs in proton-proton collisions at the Large Hadron Collider at 14 TeV using the forward proton detectors, such as the ATLAS Forward Proton or the…

High Energy Physics - Phenomenology · Physics 2021-02-03 C. Baldenegro , G. Biagi , G. Legras , C. Royon

$W$ boson pair production processes at $e^+e^-$ and $pp$ colliders have been conventionally interpreted as measurements of $WWZ$ and $WW\gamma$ triple gauge couplings (TGCs). Such interpretation is based on the assumption that new physics…

High Energy Physics - Phenomenology · Physics 2017-11-17 Zhengkang Zhang

The processes gamma gamma -> WW and e gamma -> nu W are sensitive to triple gauge boson interactions. Both reactions have been simulated for hadronically decaying W-bosons and the sensitivity to anomalous couplings has been estimated.

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Bozovic-Jelisavcic , K. Moenig , J. Sekaric

If no light Higgs boson exists, the interaction among the gauge bosons becomes strong at high energies (~1TeV). The effects of strong electroweak symmetry breaking (SEWSB) could manifest themselves indirectly as anomalous couplings before…

High Energy Physics - Experiment · Physics 2011-09-13 K. Moenig , J. Sekaric

The results of a search for W boson pair production in pbar-p collisions at sqrt{s}=1.8 TeV with subsequent decay to emu, ee, and mumu channels are presented. Five candidate events are observed with an expected background of 3.1+-0.4 events…

High Energy Physics - Experiment · Physics 2008-11-26 D0 collaboration , B. Abbott

We performed a detailed analysis of the process $e^+e^-\to \ell \nu q\bar{q}'$ to determine its sensitivity to anomalous trilinear gauge boson couplings of the $WW\gamma$ and $WWZ$ vertices and how the sensitivity varies with energy and…

High Energy Physics - Phenomenology · Physics 2009-10-28 Mikulas Gintner , Stephen Godfrey

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

The process e+e- -> W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb^-1. Based on a sample of 42 selected W+W- candidates…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

The integrated and differential fiducial cross sections for the production of a W or Z boson in association with a high-energy photon are measured using pp collisions at sqrt{s} = 7 TeV. The analyses use a data sample with an integrated…

High Energy Physics - Experiment · Physics 2015-06-08 The ATLAS Collaboration

This paper presents a study of the production of $WW$ or $WZ$ boson pairs, with one $W$ boson decaying to $e\nu$ or $\mu\nu$ and one $W$ or $Z$ boson decaying hadronically. The analysis uses 20.2 fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collision…

High Energy Physics - Experiment · Physics 2017-09-07 ATLAS Collaboration

The mass of the W boson is determined from the direct reconstruction of its decays into purely hadronic and semi-leptonic events in e+e- collisions at LEP. The data sample corresponds to an integrated luminosity of 683 inverse picobarns…

High Energy Physics - Experiment · Physics 2012-08-27 The ALEPH Collaboration

In its second phase, LEP has allowed to study four fermion processes never observed before. Results are presented on the charged triple gauge boson couplings (TGC) from the W-pair, Single W and Single gamma production. The anomalous quartic…

High Energy Physics - Experiment · Physics 2017-08-23 D. Fayolle

Searches for exclusively produced $W$ boson pairs in the process $pp(\gamma\gamma) \rightarrow pW^+W^-p$ and exclusively produced Higgs boson in the process $pp(gg) \rightarrow pHp$ have been performed using $e^{\pm}\mu^{\mp}$ final states.…

High Energy Physics - Experiment · Physics 2016-09-30 ATLAS Collaboration

Recent analyses of single $W$ and $Z$ boson production properties and asymmetries from the CDF and D\O\ experiments at the Fermilab Tevatron are reported. For $W$ boson production, measurements of the production and lepton charge…

High Energy Physics - Experiment · Physics 2011-05-31 Mika Vesterinen

This paper presents measurements of $W^\pm Z$ production in $pp$ collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012…

High Energy Physics - Experiment · Physics 2016-05-18 ATLAS Collaboration

This Letter presents a search for new physics manifested as anomalous triple gauge boson couplings in WW and WZ diboson production in proton-proton collisions. The search is performed using events containing a W boson that decays…

High Energy Physics - Experiment · Physics 2017-06-26 CMS Collaboration

A search for a Higgs boson produced in e^+e^- collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the L3 detector at centre-of-mass energies from 189 GeV to 209 GeV are…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

We analyze, in a rather general model where anomalous triple gauge couplings are present, the visible effects in R$_b$ (measured at LEP1), in W pair production (to be measured at LEP2) and in the muon anomalous magnetic moment (to be…

High Energy Physics - Phenomenology · Physics 2009-10-30 F. M. Renard , S. Spagnolo , C. Verzegnassi