IHEP OpenIR  > 粒子天体物理中心
Search for single production of vector-like quarks decaying into a b quark and a W boson in proton–proton collisions at
CMS Collaboration
2017
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
EISSN1873-2445
Volume772Pages:634-656
SubtypeArticle
AbstractA search is presented for a heavy vector-like quark, decaying into a b quark and a W boson, which is produced singly in association with a light flavor quark and a b quark. The analysis is performed using a data sample of proton-proton collisions at a center-of-mass energy of root s = 13 TeV collected at the LHC in 2015. The data set used in the analysis corresponds to an integrated luminosity of 2.3 fb(-1). The search is carried out using events containing one electron or muon, at least one b-tagged jet with large transverse momentum, at least one jet in the forward region of the detector, and missing transverse momentum. No excess over the standard model prediction is observed. Upper limits are placed on the production cross section of heavy exotic quarks: a T quark with a charge of 2/3, and a Y quark with a charge of -4/3. For Y quarks with coupling of 0.5 and beta(Y -> bW) = 100%, the observed (expected) lower mass limits are 1.40 (1.0) TeV. This is the most stringent limit to date on the single production of the Y vector-like quark. (C) 2017 The Author(s). Published by Elsevier B.V.
KeywordCMS Physics
DOI10.1016/j.physletb.2017.07.022
WOS KeywordLHC
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000411369700090
ADS Bibcode2017PhLB..772..634S
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017PhLB..772..634S
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017PhLB..772..634S/citations
AXRIV CODE171
inspireid1511277
inspireURLhttps://inspirehep.net/record/1511277
Citation statistics
Cited Times:52 [INSPIRE]
Cited Times:8 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284459
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 single production of vector-like quarks decaying into a b quark and a W boson in proton–proton collisions at[J]. PHYSICS LETTERS B,2017,772:634-656.
APA CMS Collaboration.(2017).Search for single production of vector-like quarks decaying into a b quark and a W boson in proton–proton collisions at.PHYSICS LETTERS B,772,634-656.
MLA CMS Collaboration."Search for single production of vector-like quarks decaying into a b quark and a W boson in proton–proton collisions at".PHYSICS LETTERS B 772(2017):634-656.
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