Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115084
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Type: Journal article
Title: Measurement of the ZZ production cross section in proton-proton collisions at s√=8 TeV using the ZZ → ℓ⁻ℓ⁺ℓ′⁻ℓ′⁺ and ZZ→ℓ⁻ℓ⁺νν¯¯¯ decay channels with the ATLAS detector
Other Titles: Measurement of the ZZ production cross section in proton-proton collisions at s root=8 TeV using the ZZ -> l(-)l(+)l'(-)l'(+) and ZZ->l(-)l(+)nu nu -bar decay channels with the ATLAS detector
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Aben, R.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adachi, S.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
et al.
Citation: Journal of High Energy Physics, 2017; 2017(1):099-1-099-53
Publisher: Springer
Issue Date: 2017
ISSN: 1126-6708
1029-8479
Statement of
Responsibility: 
M. Aaboud, G. Aad, B. Abbott ... Paul D. Jackson … Andreas Petridis … Martin White … et al. (ATLAS Collaboration)
Abstract: A measurement of the ZZ production cross section in the ℓ−ℓ+ℓ′ −ℓ′ + and ℓ−ℓ+νν¯¯¯ channels (ℓ = e, μ) in proton-proton collisions at s√=8TeV at the Large Hadron Collider at CERN, using data corresponding to an integrated luminosity of 20.3 fb−1 collected by the ATLAS experiment in 2012 is presented. The fiducial cross sections for ZZ → ℓ−ℓ+ℓ′ −ℓ′ + and ZZ→ℓ−ℓ+νν¯¯¯ are measured in selected phase-space regions. The total cross section for ZZ events produced with both Z bosons in the mass range 66 to 116 GeV is measured from the combination of the two channels to be 7.3 ± 0.4(stat) ± 0.3(syst) − 0.1 − 0.2 (lumi) pb, which is consistent with the Standard Model prediction of 6. 6 − 0.6 + 0.7  pb. The differential cross sections in bins of various kinematic variables are presented. The differential event yield as a function of the transverse momentum of the leading Z boson is used to set limits on anomalous neutral triple gauge boson couplings in ZZ production.
Keywords: Hadron-Hadron scattering (experiments)
Rights: © The Author(s) 2017. This article is published under an open access license. Please check the 'Copyright Information' section for details of this license and what re-use is permitted. If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and re-use information, please contact the Rights and Permissions team.
RMID: 0030067963
DOI: 10.1007/JHEP01(2017)099
Appears in Collections:Physics publications

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