Format:
1 Online-Ressource
Content:
Abstract: A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb−1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ (∗)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW (∗)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2.3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV
Note:
The European physical journal / C, Particles and fields. - 71, 9 (2011) , 1728, ISSN: 1434-6052
Language:
English
DOI:
10.1140/epjc/s10052-011-1728-9
URN:
urn:nbn:de:bsz:25-freidok-2246415
URL:
https://doi.org/10.1140/epjc/s10052-011-1728-9
URL:
https://nbn-resolving.org/urn:nbn:de:bsz:25-freidok-2246415
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