Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8190777 | Physics Letters B | 2012 | 17 Pages |
Abstract
This Letter presents a measurement of W±Z production in 1.02 fbâ1 of pp collision data at 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.)â2.0+4.1(syst.) events. The total cross section for W±Z production for Z/γâ masses within the range 66 GeV to 116 GeV is determined to be ÏWZtot=20.5â2.8+3.1(stat.)â1.3+1.4(syst.)â0.8+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.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
ATLAS Collaboration ATLAS Collaboration, G. Aad, B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, M. Abolins, H. Abramowicz, H. Abreu, E. Acerbi, B.S. Acharya, D.L. Adams, T.N. Addy, J. Adelman, M. Aderholz, S. Adomeit,