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Related papers: Electroweak $ZZjj$ production in the Standard Mode…

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We present an implementation of the vector boson pair production processes ZZ, W+W- and W Z within the POWHEG framework, which is a method that allows the interfacing of NLO calculations to shower Monte Carlo programs. The implementation is…

High Energy Physics - Phenomenology · Physics 2015-05-28 Tom Melia , Paolo Nason , Raoul Röntsch , Giulia Zanderighi

We present the calculation of the NLO QCD corrections to the electroweak production of top-antitop pairs at the CERN LHC in the presence of a new neutral gauge boson. The corrections are implemented in the parton shower Monte Carlo program…

High Energy Physics - Phenomenology · Physics 2016-03-23 R. Bonciani , T. Jezo , M. Klasen , F. Lyonnet , I. Schienbein

We present a calculation of next-to-leading-order electroweak corrections to the vector-boson scattering (VBS) process resulting in leptonically decaying W and Z bosons in association with two jets at the LHC. The VBS process is computed…

High Energy Physics - Phenomenology · Physics 2025-10-31 Ansgar Denner , Robert Franken , Christoph Haitz , Daniele Lombardi , Giovanni Pelliccioli

The production of a neutral and a charged vector boson with subsequent decays into three charged leptons and a neutrino is a very important process for precision tests of the Standard Model of elementary particles and in searches for…

High Energy Physics - Phenomenology · Physics 2017-10-25 Benedikt Biedermann , Ansgar Denner , Lars Hofer

We have studied the effects of the complete logarithmic electroweak O(alpha) corrections on the production of vector-boson pairs WZ, ZZ, and WW at the LHC. These corrections are implemented into a Monte Carlo program for pp -> 4f (+\gamma)…

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

The investigation of weak bosons $V$ ($V=\mathrm{W}^{\pm}$, $\mathrm{Z}$) produced with or without associated hard QCD jets will be of great phenomenological interest at the LHC. Owing to the large cross sections and the clean decay…

High Energy Physics - Phenomenology · Physics 2010-12-01 A. Denner , S. Dittmaier , T. Kasprzik , A. Mück

The associate production of Higgs bosons with W or Z bosons, known as Higgs-strahlung, is an important search channel for Higgs bosons at the hadron colliders Tevatron and LHC for low Higgs-boson masses. We refine a previous calculation of…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Denner , S. Dittmaier , S. Kallweit , A. Mück

The sensitivity of top quark pair production at the Large Hadron Collider to the presence and nature of an underlying Z' boson is studied, accounting for six-fermion decay with full tree-level Standard Model ttbar interference and all…

High Energy Physics - Phenomenology · Physics 2017-05-15 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

We investigate the sensitivity of top pair production to the properties of different Beyond the Standard Model theories embedding a new neutral boson. We include six-fermion decay, and account for the full tree-level Standard Model ttbar…

High Energy Physics - Phenomenology · Physics 2016-12-12 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

We present a calculation of the next-to-leading-order electroweak corrections to W+\gamma\ production, including the leptonic decay of the W boson and taking into account all off-shell effects of the W boson, where the finite width of the W…

High Energy Physics - Phenomenology · Physics 2015-11-13 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

A search is presented for the electroweak production of a top quark pair in association with a $W$ boson and at least one additional jet, known as the ${t\bar{t}W\kern-0.2em j_{\mathrm{EW}}}$ process. This process has embedded within it a…

High Energy Physics - Experiment · Physics 2025-09-24 ATLAS Collaboration

We extend and improve upon our previous calculation of electroweak top-quark pair hadroproduction in extensions of the Standard Model with extra heavy neutral and charged spin-1 resonances. In particular, we allow for flavour-non-diagonal…

High Energy Physics - Phenomenology · Physics 2021-06-30 Mohammad Mahdi Altakach , Tomáš Ježo , Michael Klasen , Jean-Nicolas Lang , Ingo Schienbein

Measurements of integrated and differential cross-sections for electroweak $W^{\pm}Z$ production in association with two jets ($W^{\pm}Zjj$) in proton$-$proton collisions are presented. The data collected by the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2024-08-15 ATLAS Collaboration

This proceeding summarizes recent measurements of electroweak boson and diboson production. The results, based on data from LHC Run 2 at $\sqrt{s}=13\,\mathrm{TeV}$ and Run 3 at $\sqrt{s}=13.6\,\mathrm{TeV}$, probe the Standard Model with…

High Energy Physics - Experiment · Physics 2025-07-16 Francesco Giuli

We report on our calculation of next-to-leading-order electroweak corrections to W-boson pair production at the LHC, taking into account off-shell effects and spin correlations of the W bosons and their leptonic decays in the framework of a…

High Energy Physics - Phenomenology · Physics 2013-11-22 M. Billoni , S. Dittmaier , B. Jager , C. Speckner

One of the main features of a Two-Higgs Doublet Model (2HDM) is the presence of two additional neutral Higgs states, besides the one mimicking the ~125 GeV state observed at the LHC. The three Higgs bosons of a 2HDM can be produced at the…

High Energy Physics - Phenomenology · Physics 2017-04-25 Rikard Enberg , William Klemm , Stefano Moretti , Shoaib Munir

We present the implementation of electroweak Zjj and Wjj production via vector boson fusion with fully leptonic decays at NLO QCD in the POWHEG framework. These processes represent an important background to Higgs searches in vector boson…

High Energy Physics - Phenomenology · Physics 2013-04-12 Franziska Schissler , Dieter Zeppenfeld

This note presents a combination of published and preliminary electroweak results from the four LEP collaborations ALEPH, DELPHI, L3 and OPAL based on electron-positron collision data taken at centre-of-mass energies above the Z-pole, $130…

Recent measurements of the electroweak-boson production performed by the ALICE Collaboration are reported. The W-boson production was measured at midrapidity in pp collisions at $\sqrt{s} = 13$ TeV, via the electronic decay of the boson. It…

Nuclear Experiment · Physics 2023-03-22 Giullaume Taillepied

We perform a comparative study of the reach of future $e^+e^-$ collider options for the scale of non-resonant new physics effects in the top quark sector, phrased in the language of higher-dimensional operators. Our focus is on the…

High Energy Physics - Phenomenology · Physics 2017-10-26 Christoph Englert , Michael Russell