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

Author(s)
Paus, Christoph M. E.; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Bauer, Gerry P; Makhoul, Khaldoun
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Alternative title
Combined Tevatron upper limit on gg -> H -> W+W- and constraints on the Higgs boson mass in fourth-generation fermion models
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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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 pp̅ collisions at the Fermilab Tevatron Collider at [sqrt]s=1.96  TeV. With 4.8  fb-1 of integrated luminosity analyzed at CDF and 5.4  fb[superscript -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 m[subscritp H]=165  GeV, and 0.83 pb at m[subscritp H]=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.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/60384
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
CDF Collaboration et al. “Combined Tevatron upper limit on gg-->H-->W^{+}W^{-} and constraints on the Higgs boson mass in fourth-generation fermion models.” Physical Review D 82.1 (2010): 011102. © 2010 by The American Physical Society.
Version: Final published version
ISSN
1550-7998
1550-2368

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