English
Related papers

Related papers: Off-shell W pair production with anomalous couplin…

200 papers

Some distributions of the mu- in the top quark pair production reaction pp -> b u anti-d anti-b mu- anti-nu_mu at the LHC are calculated to leading order in the presence of the anomalous Wtb coupling with operators of dimension up to five.…

High Energy Physics - Phenomenology · Physics 2015-06-12 K. Kolodziej

We study the anomalous $W^+W^-\gamma$ couplings in performing the production of the W-pair through the process $e^- p\,\rightarrow\,e^-\gamma^*\gamma^* p\,\rightarrow\,e^-W^+W^-p$ at the Large Hadron electron Collider (LHeC) and the Future…

High Energy Physics - Phenomenology · Physics 2022-01-04 S. Spor , M. Köksal

This paper presents the extended results of measurements of $W^{\pm}W^{\pm}jj$ production and limits on anomalous quartic gauge couplings using 20.3 ${\rm fb}^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded by the ATLAS…

High Energy Physics - Experiment · Physics 2019-08-15 ATLAS Collaboration

This Letter reports the observation of $W^{+}W^{-}\gamma$ triboson production in 140 fb$^{-1}$ of data collected by the ATLAS detector from proton--proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV at the LHC. Events with…

High Energy Physics - Experiment · Physics 2026-04-09 ATLAS Collaboration

W+W-gamma production at LEP2 is studied using data collected with the DELPHI detector at centre-of-mass energies between 189 GeV and 209 GeV, corresponding to an integrated luminosity of about 600 pb^-1. Cross-sections are measured for the…

High Energy Physics - Experiment · Physics 2008-11-26 The DELPHI Collaboration , J. Abdallah

The next-to-leading order QCD corrections to W gamma production in association with two jets via vector boson fusion are calculated, including the leptonic decay of the W with full off-shell effects and spin correlations. The process lends…

High Energy Physics - Phenomenology · Physics 2014-01-15 Francisco Campanario , Nicolas Kaiser , Dieter Zeppenfeld

We study the LHC associated production of a Higgs boson and a W^+W^- vector-boson pair at 14 TeV, in the Standard Model and beyond. We consider different signatures corresponding to the cleanest H and W decay channels, and discuss the…

High Energy Physics - Phenomenology · Physics 2014-04-02 Emidio Gabrielli , Matti Heikinheimo , Luca Marzola , Barbara Mele , Christian Spethmann , Hardi Veermae

Most general tbW couplings were investigated in the process \gamma \gamma -> ttbar -> l^{+-} X for unpolarized photon beams. The double angular and energy distribution of the lepton was calculated and an optimal-observable analysis on it…

High Energy Physics - Phenomenology · Physics 2009-11-07 Kazumasa Ohkuma

We investigate single top production in the presence of anomalous Wtb couplings. We explicitly show that, if these couplings arise from gauge invariant effective operators, the only relevant couplings for single top production and decay are…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. A. Aguilar-Saavedra

The cross section for W or Z boson production in association with two photons is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data set corresponds to an integrated luminosity of 137 fb$^{-1}$ collected by…

High Energy Physics - Experiment · Physics 2021-11-01 CMS Collaboration

We present the QCD radiative corrections to the full off-shell $\rm t\bar{t}W^+$ production, considering a final state with three charged leptons, two b jets and missing energy. All interferences, off-shell effects and spin correlations are…

High Energy Physics - Phenomenology · Physics 2020-12-16 Ansgar Denner , Giovanni Pelliccioli

The vector boson scattering (VBS) processes in Large Hadron Collider (LHC) experiments offer a unique opportunity to probe the anomalous quartic gauge couplings (aQGCs). We study the dimension-8 operators contributing to the anomalous…

High Energy Physics - Phenomenology · Physics 2023-10-23 Yu-Chen Guo , Ying-Ying Wang , Ji-Chong Yang

This work offers the constraints on the anomalous neutral triple gauge couplings for the process $e^+e^- \to ZZ $ at the CLIC with $\sqrt{s}=3$ TeV. The realistic CLIC detector environments and their effects are considered in our analysis.…

High Energy Physics - Phenomenology · Physics 2024-04-17 V. Cetinkaya , S. Spor , E. Gurkanli , M. Köksal

One loop QCD corrections to hadronic W decay are calculated for arbitrary W polarizations . The results are applied to W pair production and decay at LEP200. We focus on the corrections to angular distributions with particular emphasis on…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. J. Abraham , Bodo Lampe

We study the estimation of anomalous charged triple gauge couplings (cTGCs) parameterized in a model-independent Standard Model effective field theory (SMEFT) framework via $WW$ production followed by semi-leptonic decay at the $e^+e^-$…

High Energy Physics - Phenomenology · Physics 2025-07-31 Sahabub Jahedi , Jayita Lahiri , Amir Subba

We study the anomalous $W^-W^+\gamma/Z$ couplings in $e^-e^+\to W^-W^+$ followed by semileptonic decay using a complete set of polarization and spin correlation observables of $W$ boson with the longitudinally polarized beam. We consider a…

High Energy Physics - Phenomenology · Physics 2023-05-25 Amir Subba , Ritesh K. Singh

The measurement of the inclusive cross section for Wgamma production is presented based on 36/ pb of data acquired with the CMS detector from 7 TeV LHC collisions in 2010. Comparisons are made with the predictions of the standard model. The…

High Energy Physics - Experiment · Physics 2019-08-13 D. Majumder

We present results of the first calculation of next-to-leading-order electroweak corrections to W-boson pair production at the LHC that fully takes into account leptonic W-boson decays and off-shell effects. Employing realistic event…

High Energy Physics - Phenomenology · Physics 2016-06-29 Benedikt Biedermann , Marina Billoni , Ansgar Denner , Stefan Dittmaier , Lars Hofer , Barbara Jager , Lukas Salfelder

The calculation of NLO QCD corrections to the $t\bar{t}\to W^{+}W^{-}b\bar{b}\to e^{+}\nu_e \mu^{-}\bar{\nu}_{\mu}b\bar{b}$ process with complete off-shell effects, is briefly summarized. Besides the total cross section and its scale…

High Energy Physics - Phenomenology · Physics 2011-11-24 Malgorzata Worek

A study of the Standard Model (SM) three electroweak boson production, $WV\gamma$ where V = W or Z gauge boson, is presented concerning events with a leptonically decaying W boson accompanied by a photon and two or more jets. We are using…

High Energy Physics - Experiment · Physics 2019-08-14 Patricia Rebello Teles
‹ Prev 1 4 5 6 7 8 10 Next ›