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Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root S=13 TeV pp collisions with the ATLAS detector
ATLAS Collaboration
2017
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
Issue8Pages:52
SubtypeArticle
AbstractThe results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of vector-like top quarks in the Z(->nu nu) t + X decay channel. LHC pp collision data at a centre-of-mass energy of root S = 13TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb(-1). No significant excess over the Standard Model expectation is seen and upper limits on the production cross-section of a vector-like T quark pair as a function of the T quark mass are derived. The observed (expected) 95% CL lower limits on the T mass are 870 GeV (890 GeV) for the weak-isospin singlet model, 1.05 TeV (1.06 TeV) for the weak-isospin doublet model and 1.16 TeV (1.17 TeV) for the pure Zt decay mode. Limits are also set on the mass as a function of the decay branching ratios, excluding large parts of the parameter space for masses below 1 TeV.
KeywordExotics Hadron-Hadron scattering (experiments) vector-like quarks
DOI10.1007/JHEP08(2017)052
WOS KeywordHADRON COLLIDERS ; SYMMETRY-BREAKING ; PLUS PLUS ; FERMIONS
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000408239700001
ADS Bibcode2017JHEP...08..052A
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017JHEP...08..052A
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017JHEP...08..052A/citations
AXRIV CODE175
inspireid1601647
inspireURLhttps://inspirehep.net/record/1601647
Citation statistics
Cited Times:31 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284568
Collection实验物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
ATLAS Collaboration. Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root S=13 TeV pp collisions with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(8):52.
APA ATLAS Collaboration.(2017).Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root S=13 TeV pp collisions with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(8),52.
MLA ATLAS Collaboration."Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root S=13 TeV pp collisions with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .8(2017):52.
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