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Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H→ZZ→ℓ[superscript +]ℓ[superscript −]q[bar over q] decay channel with the ATLAS detector

Author(s)
Taylor, Frank E.
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Abstract
A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ[superscript +]ℓ[superscript −]q[bar over q], where ℓ=e or μ, is presented. The search uses a data set of pp collisions at √s = 7 TeV, corresponding to an integrated luminosity of 4.7 fb[superscript −1] collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV⩽m[subscript H]⩽322 GeV or 353 GeV⩽m[subscript H]⩽410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV⩽m[subscript H]⩽404 GeV at 95% CL.
Date issued
2012-09
URI
http://hdl.handle.net/1721.1/91978
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physics Letters B
Publisher
Elsevier
Citation
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, A.A. Abdelalim, O. Abdinov, B. Abi, et al. “Search for a Standard Model Higgs Boson in the Mass Range 200-600 GeV in the H→ZZ→ℓ[superscript +]ℓ[superscript −]q[bar over q] Decay Channel with the ATLAS Detector.” Physics Letters B 717, no. 1–3 (October 2012): 70–88. © 2012 CERN
Version: Final published version
ISSN
03702693

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