Measurement of the W±Z boson pair-production cross section in pp collisions at √s=13 TeV with the ATLAS detector

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Measurement of the W±Z boson pair-production cross section in pp collisions at √s=13 TeV with the ATLAS detector

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Title: Measurement of the W±Z boson pair-production cross section in pp collisions at √s=13 TeV with the ATLAS detector
Author: Franklin, Melissa; Huth, John; Morii, Masahiro

Note: Order does not necessarily reflect citation order of authors.

Citation: ATLAS Collaboration. 2016. Measurement of the W±Z boson pair-production cross section in pp collisions at √s=13 TeV with the ATLAS detector. Phys. Lett. B 762, no. 1. doi:10.1016/j.physletb.2016.08.052
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Abstract: The production of W±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±Z candidates are reconstructed using leptonic decays of the gauge bosons into electrons or muons. The measured inclusive cross section in the detector fiducial region for leptonic decay modes is σ fid. W±Z→` 0 ν`` = 63.2 ± 3.2 (stat.) ± 2.6 (sys.) ± 1.5 (lumi.) fb. In comparison, the next-to-leading-order Standard Model prediction is 53.4 +3.6 −2.8 fb. The extrapolation of the measurement from the fiducial to the total phase space yields σ tot. W±Z = 50.6 ± 2.6 (stat.) ± 2.0 (sys.) ± 0.9 (th.) ± 1.2 (lumi.) pb, in agreement with a recent next-to-next-to-leading-order calculation of 48.2 +1.1 −1.0 pb. The cross section as a function of jet multiplicity is also measured, together with the charge-dependent W+Z and W−Z cross sections and their ratio.
Published Version: doi:10.1016/j.physletb.2016.08.052
Other Sources: https://arxiv.org/pdf/1606.04017.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:29362186
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