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Combined search for the Standard Model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector
ATLAS collaboration
2012
发表期刊PHYSICAL REVIEW D
卷号86期号:3
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
摘要A combined search for the Standard Model Higgs boson with the ATLAS detector at the LHC is presented. The data sets used correspond to integrated luminosities from 4.6 fb(-1) to 4.9 fb(-1) of proton-proton collisions collected at root s = 7 TeV in 2011. The Higgs boson mass ranges of 111.4 GeV to 116.6 GeV, 119.4 GeV to 122.1 GeV, and 129.2 GeV to 541 GeV are excluded at the 95% confidence level, while the range 120 GeV to 560 GeV is expected to be excluded in the absence of a signal. An excess of events is observed at Higgs boson mass hypotheses around 126 GeV with a local significance of 2.9 standard deviations (sigma). The global probability for the background to produce an excess at least as significant anywhere in the entire explored Higgs boson mass range of 110-600 GeV is estimated to be similar to 15%, corresponding to a significance of approximately 1 sigma.
关键词HADRON COLLIDERS QCD CORRECTIONS MASSLESS PARTICLES BROKEN SYMMETRIES NNLO QCD DECAYS LHC
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.86.032003
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000307062200001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213303
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Combined search for the Standard Model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector[J]. PHYSICAL REVIEW D,2012,86(3).
APA ATLAS collaboration.(2012).Combined search for the Standard Model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector.PHYSICAL REVIEW D,86(3).
MLA ATLAS collaboration."Combined search for the Standard Model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector".PHYSICAL REVIEW D 86.3(2012).
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