Combined Tevatron upper limit on gg --> H --> W[superscript +]W[superscript -] and constraints on the Higgs boson mass in fourth-generation fermion models
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 D...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
American Physical Society
2011
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| Online Access: | http://hdl.handle.net/1721.1/60384 https://orcid.org/0000-0002-6047-4211 |
| Summary: | 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. |
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