Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 25, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.251802
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Funding
- U.S. Department of Energy
- National Science Foundation
- Italian Istituto Nazionale di Fisica Nucleare
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Natural Sciences and Engineering Research Council of Canada
- National Science Council of the Republic of China
- Swiss National Science Foundation
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- World Class University
- National Research Foundation of Korea
- Science and Technology Facilities Council
- Royal Society, U.K.
- Institut National de Physique Nucleaire et Physique des Particules/CNRS
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion
- Programa Consolider, Spain
- Slovak RD Agency
- Academy of Finland
- STFC [ST/H001026/2, ST/H001077/1, ST/H001069/1, ST/H001026/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E000444/1, ST/H001026/2, ST/H001026/1, ST/H001077/1] Funding Source: researchfish
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We search for the standard model Higgs boson produced with a Z boson in 4: 1 fb(-1) of integrated luminosity collected with the CDF II detector at the Tevatron. In events consistent with the decay of the Higgs boson to a bottom-quark pair and the Z boson to electrons or muons, we set 95% credibility level upper limits on the ZH production cross section multiplied by the H -> b (b) over bar branching ratio. Improved analysis methods enhance signal sensitivity by 20% relative to previous searches. At a Higgs boson mass of 115 GeV/c(2) we set a limit of 5.9 times the standard model cross section.
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