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Search for single production of vector-like quarks decaying to a b quark and a Higgs boson
CMS Collaboration
2018
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
Issue6Pages:31
SubtypeArticle
AbstractA search is presented for single production of heavy vector-like quarks (B) that decay to a Higgs boson and a b quark, with the Higgs boson decaying to a highly boosted b (b) over bar pair reconstructed as a single collimated jet. The analysis is based on data collected by the CMS experiment in proton-proton collisions at root s = 13 TeV, corresponding to an integrated luminosity of 35.9 fb(-1). The data are consistent with background expectations, and upper limits at 95% confidence level on the product of the B quark cross section and the branching fraction are obtained in the range 1.28-0.07 pb, for a narrow B quark with a mass between 700 and 1800 GeV. The production of B quarks with widths of 10, 20 and 30% of the resonance mass is also considered, and the sensitivities obtained are similar to those achieved in the narrow width case. This is the first search at the CERN LHC for the single production of a B quark through its fully hadronic decay channel, and the first study considering finite resonance widths of the B quark.
KeywordBeyond Standard Model Hadron-Hadron scattering (experiments) vector-like quarks
DOI10.1007/JHEP06(2018)031
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000434412500011
ADS Bibcode2018JHEP...06..031S
AXRIV CODE1802
inspireid1653127
Citation statistics
Cited Times:17 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286017
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 to a b quark and a Higgs boson[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(6):31.
APA CMS Collaboration.(2018).Search for single production of vector-like quarks decaying to a b quark and a Higgs boson.JOURNAL OF HIGH ENERGY PHYSICS(6),31.
MLA CMS Collaboration."Search for single production of vector-like quarks decaying to a b quark and a Higgs boson".JOURNAL OF HIGH ENERGY PHYSICS .6(2018):31.
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