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Combined Tevatron upper limit on gg -> H -> W+W and constraints on the Higgs boson mass in fourth-generation fermion models

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review. D. 2010, vol. 82, p. 12p.
Abstract We combine results from searches by the CDF and D0 collaborations for a standard model Higgs boson (H) in the process gg→H→W+W− in pp collisions at the Fermilab Tevatron Collider at s√=1.96  TeV. With 4.8  fb−1 of integrated luminosity analyzed at CDF and 5.4  fb−1 at D0, the 95% confidence level upper limit on σ(gg→H)×B(H→W+W−) is 1.75 pb at mH=120  GeV, 0.38 pb at mH=165  GeV, and 0.83 pb at mH=200  GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, we exclude at the 95% confidence level a standard-model-like Higgs boson with a mass between 131 and 204 GeV.
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CDF COLLABORATION, D0 COLLABORATION. Combined Tevatron upper limit on gg -> H -> W+W and constraints on the Higgs boson mass in fourth-generation fermion models. In: Physical Review. D, 2010, vol. 82, p. 12p. https://archive-ouverte.unige.ch/unige:38696

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Deposited on : 2014-07-15

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