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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Publisher: Elsevier Science BV
Languages: English
Types: Article
Subjects: QC

Classified by OpenAIRE into

arxiv: High Energy Physics::Experiment, Nuclear Experiment, High Energy Physics::Phenomenology, Astrophysics::High Energy Astrophysical Phenomena
A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−qq, 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−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 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV <= mH <= 322 GeV or 353 GeV <= mH <= 410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV <= mH <= 404 GeV at 95% CL.
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