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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

SYSNO ASEP	0365376
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Combined Tevatron upper limit on gg->H->W+W- and constraints on the Higgs boson mass in fourth-generation fermion models
Author(s)	Aaltonen, T. (FI) Abazov, V. M. (RU) Abbott, B. (US) Kupčo, Alexander (FZU-D)_{RID, ORCID} Lokajíček, Miloš (FZU-D)_{RID, ORCID}
Source Title	Physical Review D: Particles, Fields, Gravitation and Cosmology. - : American Physical Society - ISSN 1550-7998 Roč. 82, č. 1 (2010), 011102/1-011102/17
Number of pages	17 s.
Language	eng - English
Country	US - United States
Keywords	D0 ; CDF Collaboration ; Higgs boson ; luminosity
Subject RIV	BF - Elementary Particles and High Energy Physics
R&D Projects	LC527 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	LA08047 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
CEZ	AV0Z10100502 - FZU-D (2005-2011)
UT WOS	000279941600001
DOI	10.1103/PhysRevD.82.011102
Annotation	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 ppbar 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 δ (gg-->H)xB(H-->W+W-) is 1.75 pb at mH=120GeV, 0.38 pb at mH=165GeV, and 0.83 pb at mH=200GeV. 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.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2012

Number of the records: 1