Measurement of the W+ W- cross section in sqrt(s) = 7  TeV pp collisions with ATLAS

Aad, G; Abbott, B; Abdallah, J; Abdelalim, A A; Abdesselam, A; Abdinov, O; Abi, B; Abolins, M; Abramowicz, H; Abreu, H; Acerbi, E; Acharya, B S; Adams, D L; Addy, T N; Adelman, J; Aderholz, M; Adomeit, S; Adragna, P; Adye, T; Aefsky, S; ... (2011). Measurement of the W+ W- cross section in sqrt(s) = 7  TeV pp collisions with ATLAS. Physical review letters, 107(4), p. 41802. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.107.041802

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This Letter presents a measurement of the W+ W- production cross section in sqrt(s) = 7  TeV pp collisions by the ATLAS experiment, using 34  pb(-1) of integrated luminosity produced by the Large Hadron Collider at CERN. Selecting events with two isolated leptons, each either an electron or a muon, 8 candidate events are observed with an expected background of 1.7 ± 0.6 events. The measured cross section is 41(-16)(+20)(stat) ± 5(syst)±1(lumi)  pb, which is consistent with the standard model prediction of 44 ± 3  pb calculated at next-to-leading order in QCD.

Item Type:

Journal Article (Original Article)


08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP)

UniBE Contributor:

Battaglia, Andreas, Beck, Hans Peter, Borer, Claudia




American Physical Society




Factscience Import

Date Deposited:

04 Oct 2013 14:25

Last Modified:

05 Dec 2022 14:07

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URI: (FactScience: 214457)

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