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The pair production of a $W$ and a $Z$ boson at the LHC is an important process to study the triple-gauge boson couplings as well as to probe new physics that could arise in the gauge sector. In particular the leptonic channel $p p \to…

High Energy Physics - Phenomenology · Physics 2019-05-13 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

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

Measurements of joint-polarisation states of $W$ and $Z$ gauge bosons in $W^{\pm}Z$ production are presented. The data set used corresponds to an integrated luminosity of $139$ fb$^{-1}$ of proton-proton collisions at a center-of-mass…

High Energy Physics - Experiment · Physics 2023-06-30 ATLAS Collaboration

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

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

This paper presents measurements of $W^{\pm}Z$ production cross sections in $pp$ collisions at a centre-of-mass energy of 13 TeV. The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and correspond…

High Energy Physics - Experiment · Physics 2019-09-02 ATLAS Collaboration

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

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

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

The differential cross section and charge asymmetry for inclusive W boson production at $\sqrt{s} =$ 13 TeV is measured for the two transverse polarization states as a function of the W boson absolute rapidity. The measurement uses events…

High Energy Physics - Experiment · Physics 2020-12-07 CMS Collaboration

The $Z$ boson in the process $pp \to ZH$ and the $W^+_{}$ and $W^-_{}$ in the process $pp \to W^{\pm}_{}H$ can be in polarised states. The polarisation density matrix of the $Z$ ($W$) boson contains the complete information about a state of…

High Energy Physics - Phenomenology · Physics 2017-11-22 Junya Nakamura

Measurements of the production of the W$^{\pm}$ and Z$^0$ bosons at midrapidity in pp collisions at $\sqrt{s} = 13$ TeV with ALICE at the Large Hadron Collider (LHC) are presented. The W$^{\pm}$ and Z$^0$ bosons are detected via their…

High Energy Physics - Experiment · Physics 2026-02-27 ALICE Collaboration

We present a calculation of inclusive diboson (WZ, ZZ, WW) processes at the LHC in the presence of intermediate polarised weak bosons decaying leptonically, matching next-to-leading-order accuracy in QCD with parton-shower effects. Starting…

High Energy Physics - Phenomenology · Physics 2023-11-10 Giovanni Pelliccioli , Giulia Zanderighi

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 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 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

A measurement of the polarisation of $W$ bosons produced in top-quark decays is presented, using proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. The data were collected by the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2023-06-19 ATLAS Collaboration

We report the measurement of the rates and asymmetries of inclusive and differential production of W and Z vector bosons in pp collision at $\sqrt{s}$=7 TeV. The data consists of 36 $pb^{-1}$ collected in the Compact Muon Solenoid (CMS)…

High Energy Physics - Experiment · Physics 2011-10-04 Jiyeon Han

The production of $W^{\pm}Z$ events in proton--proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC. The collected data correspond to an integrated luminosity of 3.2 fb$^{-1}$. The $W^{\pm}Z$…

High Energy Physics - Experiment · Physics 2016-09-26 ATLAS Collaboration
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