Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101702
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Type: Journal article
Title: Measurement of the W±Z production cross section and limits on anomalous triple gauge couplings in proton–proton collisions at √s = 7 TeV with the ATLAS detector
Other Titles: Measurement of the W+/-Z production cross section and limits on anomalous triple gauge couplings in proton-proton collisions at root s = 7 TeV with the ATLAS detector
Author: Aad, G.
ATLAS Collaboration
Citation: Physics Letters B, 2012; 709(4-5):341-357
Publisher: Elsevier
Issue Date: 2012
ISSN: 0370-2693
1873-2445
Statement of
Responsibility: 
G.Aad ... P.Jackson ... L.Lee ... A.Petridis ... N.Soni ... M.J.White ... et al. (ATLAS Collaboration)
Abstract: This Letter presents a measurement of W± Z production in 1.02 fb⁻¹ of pp collision data at View the √s = 7 TeV collected by the ATLAS experiment in 2011. Doubly leptonic decay events are selected with electrons, muons and missing transverse momentum in the final state. In total 71 candidates are observed, with a background expectation of 12.1±1.4(stat.)+4.1−2.0 (syst.) events. The total cross section for W±Z production for Z/γ⁎ masses within the range 66 GeV to 116 GeV is determined to be σWZtot=20.5−2.8+3.1(stat.)−1.3+1.4(syst.)−0.8+0.9(lumi.) pb, which is consistent with the Standard Model expectation of 17.30.8+1.3 pb. Limits on anomalous triple gauge boson couplings are extracted.
Rights: © 2012 CERN. Published by Elsevier B.V. Open access under CC BY-NC-NC license. [https://creativecommons.org/licenses/by-nc-nd/4.0/]
RMID: 0020132831
DOI: 10.1016/j.physletb.2012.02.053
Appears in Collections:Physics publications

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