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We consider the production of $\gamma^*, W$ and $Z$ vector bosons in hadron-hadron collisions in perturbative QCD. We present results from a new numerical program which gives a full description of the production of the vector bosons and of…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. K. Ellis , D. A. Ross , S. Veseli

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

We present a general purpose Monte Carlo program for the calculation of any infrared safe observable in WGamma and ZGamma production at hadron colliders at next-to-leading order in alpha_s. We treat the leptonic decays of the W and Z-boson…

High Energy Physics - Phenomenology · Physics 2011-09-13 D. de Florian , A. Signer

Vector-boson fusion processes are an important tool for the study of electroweak symmetry breaking at hadron colliders, since they allow to distinguish a light Higgs boson scenario from strong weak boson scattering. We here consider the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Barbara Jager , Carlo Oleari , Dieter Zeppenfeld

We present numerical results (including full one-loop QCD corrections) for the processes p p-bar and pp -> W+ W-, W+/- Z/gamma* and Z/gamma* Z/gamma* followed by the decay of the massive vector bosons into leptons. In addition to their…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. M. Campbell , R. K. Ellis

The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of higher-order electroweak effects in the analysis of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Stefan Gieseke , Tobias Kasprzik , Johann H. Kühn

A search is presented for anomalous quartic gauge boson couplings in vector-boson scattering. The data for the analysis correspond to $20.2$ fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collisions, and were collected in 2012 by the ATLAS experiment…

High Energy Physics - Experiment · Physics 2017-03-17 ATLAS Collaboration

We calculate tree-level cross-sections for $W^{+}\gamma$ and $W^{+}W^{-}$ production in proton-antiproton collisions, with one $W$ decaying to leptons, with anomalous electroweak triple-boson coupling parameters $\Delta\kappa$ and…

High Energy Physics - Phenomenology · Physics 2009-10-28 Michael Wiest , Daniel R. Stump , Douglas O. Carlson , C. --P. Yuan

We discuss the impact of anomalous WW$\gamma$ and WWZ couplings on WZ+jet production at next-to-leading order QCD, including full leptonic decays of the electroweak gauge bosons. While the inclusive hadronic cross sections do not exhibit…

High Energy Physics - Phenomenology · Physics 2014-11-21 Francisco Campanario , Christoph Englert , Michael Spannowsky

A search for anomalous electroweak production of WW, WZ, and ZZ boson pairs in association with two jets in proton-proton collisions at $\sqrt{s} =$ 13 TeV at the LHC is reported. The data sample corresponds to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2019-10-08 CMS Collaboration

Cross sections and differential distributions for ZA production in association with two jets via vector boson fusion are presented at next-to-leading order in QCD. The leptonic decays of the Z boson with full off-shell effects and spin…

High Energy Physics - Phenomenology · Physics 2018-03-14 Francisco Campanario , Matthias Kerner , Dieter Zeppenfeld

We report on a recent calculation of the full next-to-leading-order electroweak corrections to Z-boson pair production with subsequent decays into four charged leptons. Using the complete matrix elements at leading order and next-to-leading…

High Energy Physics - Phenomenology · Physics 2017-07-05 Benedikt Biedermann

In this paper we present the results from a calculation of the full electroweak one-loop corrections for $\gamma Z$ vector-boson pair production at hadron colliders. The cases of proton--antiproton as well as proton--proton collisions, at…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Hollik , C. Meier

We discuss three promising diagnostic probes of the couplings of a possible heavy $Z'$ boson at hadron colliders: the forward-backward asymmetry into leptons, the rare decay $Z' \ra W^{\pm} \ell^{\mp} \nu$, and associated production $pp \ra…

High Energy Physics - Phenomenology · Physics 2009-10-22 Mirjam Cvetic , Paul Langacker

Building on earlier work on electroweak corrections to W-pair production, the first calculation of the full electroweak one-loop corrections to on-shell ZZ, W$^{\pm}$Z and $\gamma\gamma$ production at hadron colliders is presented,…

High Energy Physics - Phenomenology · Physics 2015-06-16 Anastasiya Bierweiler , Tobias Kasprzik , Johann H. Kühn

We study new physics effects to the quartic gauge boson couplings formulated by the electroweak chiral Lagrangian. Five next-to-leading order operators characterize the anomalous quartic gauge interactions which involve pure Goldstone boson…

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

The production of electroweak bosons ($Z,\gamma$ and $W$) and charmonia is sensitive to the initial-state geometry of heavy-ion collisions and to the parton distribution function with its potential nuclear modification. Since their leptonic…

Nuclear Experiment · Physics 2016-09-14 Markus K. Koehler

We investigate the effects of anomalous neutral triple gauge couplings in $ZZ$ and $Z\gamma$ production processes, followed by the leptonic decay of the $Z$ boson, at a lepton collider with center-of-mass energy $\sqrt{s}=250$~GeV and…

High Energy Physics - Phenomenology · Physics 2023-12-27 Amir Subba , Ritesh K. Singh

A search is presented for three additional operators that would lead to anomalous WW$\gamma$ or WWZ couplings with respect to those in the standard model. They are constrained by studying events with two vector bosons; a W boson decaying to…

High Energy Physics - Experiment · Physics 2019-12-17 CMS 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
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