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Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at
CMS Collaboration
2017
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
EISSN1873-2445
Volume774Pages:682-705
SubtypeArticle
AbstractA measurement of vector boson scattering and constraints on anomalous quartic gauge couplings from events with two Z bosons and two jets are presented. The analysis is based on a data sample of proton-proton collisions at root s = 13 TeV collected with the CMS detector and corresponding to an integrated luminosity of 35.9 fb(-1). The search is performed in the fully leptonic final state ZZ -> lll'l', where l, l' = e or mu. The electroweak production of two Z bosons in association with two jets is measured with an observed (expected) significance of 2.7 (1.6) standard deviations. A fiducial cross section for the electroweak production is measured to be sigma(EW)(PP -> ZZjj -> lll'l'jj') =0.40(-0.16)(+0.21)(stat) (+0.13)(-0.009)(syst) fb, which is consistent with the standard model prediction. Limits on anomalous quartic gauge couplings are determined in terms of the effective field theory operators T0, T1, T2, T8, and T9. This is the first measurement of vector boson scattering in the ZZ channel at the LHC. (c) 2017 The Author(s). Published by Elsevier B.V.
KeywordCMS Physics SM ZZ VBS aQGC
DOI10.1016/j.physletb.2017.10.020
WOS KeywordHIGGS-BOSON ; WEAK-INTERACTIONS ; CROSS-SECTION ; HIGH-ENERGIES ; CERN LHC ; MASS ; SEARCH ; VERTEX
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000414973200091
ADS Bibcode2017PhLB..774..682S
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017PhLB..774..682S
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017PhLB..774..682S/citations
AXRIV CODE178
inspireid1615207
inspireURLhttps://inspirehep.net/record/1615207
Citation statistics
Cited Times:57 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284646
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. Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at[J]. PHYSICS LETTERS B,2017,774:682-705.
APA CMS Collaboration.(2017).Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at.PHYSICS LETTERS B,774,682-705.
MLA CMS Collaboration."Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at".PHYSICS LETTERS B 774(2017):682-705.
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