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Search for pair production of vector-like T and B quarks in single-lepton final states using boosted jet substructure in proton-proton collisions at root s=13 TeV
CMS Collaboration
2017
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
Issue11Pages:85
SubtypeArticle
AbstractA search for pair production of massive vector-like T and B quarks in proton-proton collisions at root s = 13 TeV is presented. The data set was collected in 2015 by the CMS experiment at the LHC and corresponds to an integrated luminosity of up to 2.6 fb(-1). The T and B quarks are assumed to decay through three possible channels into a heavy boson (either a W, Z or Higgs boson) and a third generation quark. This search is performed in final states with one charged lepton and several jets, exploiting techniques to identify W or Higgs bosons decaying hadronically with large transverse momenta. No excess over the predicted standard model background is observed. Upper limits at 95% confidence level on the T quark pair production cross section are set that exclude T quark masses below 860 GeV in the singlet, and below 830 GeV in the doublet branching fraction scenario. For other branching fraction combinations with B (T -> tH) + B(T -> bW) >= 0.4, lower limits on the T quark range from 790 to 940 GeV. Limits are also set on pair production of singlet vector-like B quarks, which can be excluded up to a mass of 730 GeV. The techniques showcased here for understanding highly-boosted final states are important as the sensitivity to new particles is extended to higher masses.
KeywordHadron-Hadron scattering (experiments) Heavy quark production vector-like quarks
DOI10.1007/JHEP11(2017)085
WOS KeywordHADRON COLLIDERS ; CROSS-SECTION ; PP COLLISIONS ; PLUS PLUS ; BOSON ; ENERGIES ; FERMION ; MODELS ; LHC
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000415660000001
ADS Bibcode2017JHEP...11..085S
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017JHEP...11..085S
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017JHEP...11..085S/citations
AXRIV CODE176
inspireid1604273
inspireURLhttps://inspirehep.net/record/1604273
Citation statistics
Cited Times:56 [INSPIRE]
Cited Times:19 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284577
Collection粒子天体物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
CMS Collaboration. Search for pair production of vector-like T and B quarks in single-lepton final states using boosted jet substructure in proton-proton collisions at root s=13 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(11):85.
APA CMS Collaboration.(2017).Search for pair production of vector-like T and B quarks in single-lepton final states using boosted jet substructure in proton-proton collisions at root s=13 TeV.JOURNAL OF HIGH ENERGY PHYSICS(11),85.
MLA CMS Collaboration."Search for pair production of vector-like T and B quarks in single-lepton final states using boosted jet substructure in proton-proton collisions at root s=13 TeV".JOURNAL OF HIGH ENERGY PHYSICS .11(2017):85.
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