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Related papers: Polarisation at NLO in WZ production at the LHC

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WZ production is an important process at the LHC because it probes the non-Abelian structureof electroweak interactions and it is a background process for many new physics searches. In the quest for new physics, polarization observables of…

High Energy Physics - Phenomenology · Physics 2018-11-30 Julien Baglio , Le Duc Ninh

The measurement of polarization fractions of massive gauge bosons at the LHC provides an important check of the Standard Model and in particular of the Electroweak Symmetry Breaking mechanism. Owing to the unstable character of $\text{W}$…

High Energy Physics - Phenomenology · Physics 2020-10-28 Ansgar Denner , Giovanni Pelliccioli

Measuring the polarization of electroweak bosons at the LHC allows for important tests of the electroweak-symmetry-breaking mechanism that is realized in nature. Therefore, precise Standard Model predictions are needed for the production of…

High Energy Physics - Phenomenology · Physics 2021-11-03 Ansgar Denner , Giovanni Pelliccioli

Accessing the polarization of weak bosons provides an important probe for the mechanism of electroweak symmetry breaking. Relying on the double-pole approximation and on the separation of polarizations at the amplitude level, we study WZ…

High Energy Physics - Phenomenology · Physics 2021-02-03 Ansgar Denner , Giovanni Pelliccioli

We present a study at next-to-leading-order (NLO) of the process $pp \to W^\pm Z \to \ell \nu_l \ell'^+ \ell'^-$, where $\ell,\ell' =e, \mu$, at the Large Hadron Collider. We include the full NLO QCD corrections and the NLO electroweak (EW)…

High Energy Physics - Phenomenology · Physics 2019-04-16 Julien Baglio , LE Duc Ninh

We present a study of the polarization observables of the $W$ and $Z$ bosons in the process $p p \to W^\pm Z\to e^\pm \nu_e \mu^+\mu^-$ at the 13 TeV Large Hadron Collider. The calculation is performed at next-to-leading order, including…

High Energy Physics - Phenomenology · Physics 2020-04-13 Julien Baglio , Le Duc Ninh

The doubly-polarized production of $W^\pm Z$ pairs at the Large Hadron Collider (LHC) is presented at next-to-leading order (NLO) accuracy both for the electroweak (EW) and QCD corrections, including a detailed description of the…

High Energy Physics - Phenomenology · Physics 2022-08-22 Duc Ninh Le , Julien Baglio , Thi Nhung Dao

In this letter we present results for next-to-leading-order electroweak corrections to doubly polarised W$^+$W$^-$ production at the LHC in the fully leptonic decay channel. We model the production and the decay of two polarised W bosons in…

High Energy Physics - Phenomenology · Physics 2023-11-28 Ansgar Denner , Christoph Haitz , Giovanni Pelliccioli

Understanding the polarisation structure and providing precise predictions for multi-boson processes at the LHC is becoming urgent in the light of the upcoming run-3 and high-luminosity data. The CMS and ATLAS collaborations have already…

High Energy Physics - Phenomenology · Physics 2023-03-27 Ansgar Denner , Christoph Haitz , Giovanni Pelliccioli

Longitudinal polarisation of the weak bosons is a direct consequence of Electroweak symmetry breaking mechanism providing an insight into its nature, and is instrumental in searches for physics beyond the Standard Model. We perform a…

High Energy Physics - Phenomenology · Physics 2021-07-07 Rene Poncelet , Andrei Popescu

We present a computation of diboson production in the $W^\pm Z$ channel at the Large Hadron Collider (LHC), incorporating leptonic decays of the gauge bosons and considering intermediate gauge bosons with definite polarization states. The…

High Energy Physics - Phenomenology · Physics 2026-02-20 Ulrich Haisch , Jakob Linder , Giovanni Pelliccioli , Emanuele Re , Giulia Zanderighi

We study polarisation of W-bosons produced in association with one jet at the LHC. In particular, we provide all necessary theoretical ingredients for the precise extraction of polarisation fractions. To that end, we present new polarised…

High Energy Physics - Phenomenology · Physics 2022-03-09 Mathieu Pellen , Rene Poncelet , Andrei Popescu

We study the polarisation of gauge bosons produced at the LHC. Polarisation effects for W bosons manifest themselves in the angular distributions of the lepton and in the distributions of lepton transverse momentum and missing transverse…

High Energy Physics - Phenomenology · Physics 2017-08-23 W. J. Stirling , E. Vryonidou

We achieve for the first time NNLO QCD + NLO EW accuracy for doubly polarised WZ inclusive production at the LHC, in the case of fully leptonic decays. Additionally, we provide estimates for missing higher-order uncertainties in QCD…

High Energy Physics - Phenomenology · Physics 2025-10-31 Giovanni Pelliccioli , Rene Poncelet

We show how the $W$ boson polarization in the process of associated $W^{\pm}H$ production at the Large Hadron Collider (LHC) can be used to constrain anomalous $WWH$ couplings. We first calculate the spin density matrix for the $W$ to…

High Energy Physics - Phenomenology · Physics 2019-02-20 Kumar Rao , Saurabh Rindani

We present results for the polarisation of gauge bosons produced at the LHC. Polarisation effects for W bosons manifest themselves in the angular distributions of the lepton and in the distributions of lepton transverse momentum and missing…

High Energy Physics - Phenomenology · Physics 2015-06-12 James Stirling , Eleni Vryonidou

Providing accurate theoretical predictions in the Standard Model for processes with polarised electroweak bosons is crucial to understand more in-depth the electroweak-symmetry breaking mechanism and to enhance the sensitivity to potential…

The associated production of a W and a Z boson is studied in final states with multiple leptons produced in proton-proton (pp) collisions at a centre-of-mass energy of 13 TeV using 137 fb$^{-1}$ of data collected with the CMS detector at…

High Energy Physics - Experiment · Physics 2022-07-13 CMS Collaboration

This study explores fully leptonic WZ and WW production at the LHC within the SMEFT framework at NLO in QCD, focusing on both CP-even and CP-odd triple-gauge-coupling dimension-six operators. We investigate the off-shell processes,…

High Energy Physics - Phenomenology · Physics 2026-01-27 Hesham El Faham , Giovanni Pelliccioli , Eleni Vryonidou

The longitudinal polarisation states of the $W$ and $Z$ bosons arise during electroweak (EW) symmetry breaking as the vector bosons absorb the Higgs boson's massless degrees of freedom. Consequently, these states are intrinsically linked to…

High Energy Physics - Phenomenology · Physics 2025-06-17 Rosa Colyer , Dominik Duda
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