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Search for high mass dilepton resonances in pp collisions at √s = 7 TeV with the ATLAS experiment

Author(s)
Taylor, Frank E.
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Abstract
This Letter presents a search for high mass e[superscript +]e[superscript −] or μ[superscript +]μ[superscript −] resonances in pp collisions at √s = 7 TeV at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of ~40 pb[superscript −1]. No statistically significant excess above the Standard Model expectation is observed in the search region of dilepton invariant mass above 110 GeV. Upper limits at the 95% confidence level are set on the cross section times branching ratio of Z′Z′ resonances decaying to dielectrons and dimuons as a function of the resonance mass. A lower mass limit of 1.048 TeV on the Sequential Standard Model Z′ boson is derived, as well as mass limits on Z* and E[subscript 6]-motivated Z′ models.
Date issued
2011-05
URI
http://hdl.handle.net/1721.1/95933
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physics Letters B
Publisher
Elsevier
Citation
Aad, G., B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, et al. “Search for High Mass Dilepton Resonances in Pp Collisions at √s = 7 TeV with the ATLAS Experiment.” Physics Letters B 700, no. 3–4 (June 2011): 163–180.
Version: Final published version
ISSN
03702693

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