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Measurement of the W+W− production cross section in pp collisions at a centre-of-mass energy of √s=13 TeV with the ATLAS experiment

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  • ATLAS Collaboration
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<mark>Journal publication date</mark>10/10/2017
<mark>Journal</mark>Physics Letters B
Volume773
Number of pages21
Pages (from-to)354-374
StatePublished
Original languageEnglish

Abstract

The production of opposite-charge W-boson pairs in proton–proton collisions at √s=13 TeV is measured using data corresponding to 3.16 fb−1 of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider in 2015. Candidate W-boson pairs are selected by identifying their leptonic decays into an electron, a muon and neutrinos. Events with reconstructed jets are not included in the candidate event sample. The cross-section measurement is performed in a fiducial phase space close to the experimental acceptance and is compared to theoretical predictions. Agreement is found between the measurement and the most accurate calculations available.