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Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s=8 TeV with the ATLAS detector
ATLAS Collaboration
2015
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号75期号:2页码:79
文章类型Article
摘要A search for the production of single-top-quarks in association with missing energy is performed in proton-proton collisions at a centre-of-mass energy of root s = 8 TeV with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of 20.3 fb(-1). In this search, the W boson from the top quark is required to decay into an electron or a muon and a neutrino. No deviation from the standard model prediction is observed, and upper limits are set on the production cross-section for resonant and non-resonant production of an invisible exotic state in association with a right-handed top quark. In the case of resonant production, for a spin-0 resonance with amass of 500 GeV, an effective coupling strength above 0.15 is excluded at 95% confidence level for the top quark and an invisible spin-1/2 state with mass between 0 and 100 GeV. In the case of non-resonant production, an effective coupling strength above 0.2 is excluded at 95% confidence level for the top quark and an invisible spin-1 state with mass between 0 and 657 GeV.
学科领域Physics
DOI10.1140/epjc/s10052-014-3233-4
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000354545100001
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被引频次:11[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/311005/228513
专题实验物理中心
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ATLAS Collaboration. Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s=8 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(2):79.
APA ATLAS Collaboration.(2015).Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s=8 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,75(2),79.
MLA ATLAS Collaboration."Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s=8 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 75.2(2015):79.
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