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Search for Higgs Boson Pair Production in the gamma gamma b(b)over-bar Final State Using pp Collision Data at root s=8 TeV from the ATLAS Detector
ATLAS Collaboration
2015
发表期刊PHYSICAL REVIEW LETTERS
卷号114页码:81802
摘要Searches are performed for resonant and nonresonant Higgs boson pair production in the gamma gamma b (b) over bar final state using 20 fb(-1) of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X -> hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass.
文章类型Article
学科领域Physics
DOI10.1103/PhysRevLett.114.081802
收录类别SCI ; EI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000350210600004
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被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228260
专题实验物理中心
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ATLAS Collaboration. Search for Higgs Boson Pair Production in the gamma gamma b(b)over-bar Final State Using pp Collision Data at root s=8 TeV from the ATLAS Detector[J]. PHYSICAL REVIEW LETTERS,2015,114:81802.
APA ATLAS Collaboration.(2015).Search for Higgs Boson Pair Production in the gamma gamma b(b)over-bar Final State Using pp Collision Data at root s=8 TeV from the ATLAS Detector.PHYSICAL REVIEW LETTERS,114,81802.
MLA ATLAS Collaboration."Search for Higgs Boson Pair Production in the gamma gamma b(b)over-bar Final State Using pp Collision Data at root s=8 TeV from the ATLAS Detector".PHYSICAL REVIEW LETTERS 114(2015):81802.
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