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Observation of electroweak W±Z boson pair production in association with two jets in pp collisions at vs=13 TeV with the ATLAS detector

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Version 2 2023-06-07, 08:27
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journal contribution
posted on 2023-06-07, 08:27 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Batool Safarzadeh Samani, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, . The ATLAS Collaboration, others
An observation of electroweak W±Z production in association with two jets in proton–proton collisions is presented. The data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016 at a centre-of-mass energy of vs=13TeVare used, corresponding to an integrated luminosity of 36.1fb-1. Events containing three identified leptons, either electrons or muons, and two jets are selected. The electroweak production of W±Z bosons in association with two jets is measured with an observed significance of 5.3standard deviations. A fiducial cross-section for electroweak production including interference effects and for a single leptonic decay mode is measured to be sWZjj-EW= 0.57 +0.14-0.13 (stat.) +0.07-0.06 (syst.) fb. Total and differential fiducial cross-sections of the sum of W±Zjj electroweak and strong productions for several kinematic observables are also measured.

History

Publication status

  • Published

File Version

  • Published version

Journal

Physics Letters B

ISSN

0370-2693

Publisher

Elsevier

Volume

793

Page range

469-492

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2019-08-28

First Open Access (FOA) Date

2019-08-28

First Compliant Deposit (FCD) Date

2019-08-22

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