Search for the standard model Higgs boson decaying to a bb̄ pair in events with two oppositely charged leptons using the full CDF data set
Physical Review Letters(2012)
摘要
We present a search for the standard model Higgs boson produced in association with a Z boson in data collected with the CDF II detector at the Tevatron, corresponding to an integrated luminosity of 9.45 fb(-1). In events consistent with the decay of the Higgs boson to a bottom-quark pair and the Z boson to electron or muon pairs, we set 95% credibility level upper limits on the ZH production cross section times the H→bb branching ratio as a function of Higgs boson mass. At a Higgs boson mass of 125 GeV/c(2), we observe (expect) a limit of 7.1 (3.9) times the standard model value.
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关键词
Standard Model,Higgs boson,Lepton,Particle decay,Tevatron,Muon,Branching fraction,Quantum chromodynamics,Particle physics,Nuclear physics,Physics
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