IHEP OpenIR  > 粒子天体物理中心
Cross section measurement of t-channel single top quark production in pp collisions at
CMS Collaboration
2017
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
EISSN1873-2445
Volume772Pages:752-776
SubtypeArticle
AbstractThe cross section for the production of single top quarks in the t channel is measured in proton- proton collisions at 13TeV with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosity of 2.2fb(-1). The event selection requires one muon and two jets where one of the jets is identified as originating from a bottom quark. Several kinematic variables are then combined into a multivariate discriminator to distinguish signal from background events. A fit to the distribution of the discriminating variable yields a total cross section of 238 +/- 13 (stat)+/- 29(syst) pband a ratio of top quark and top antiquark production of Rt-ch.= 1.81 +/- 0.18 (stat)+/- 0.15(syst). From the total cross section the absolute value of the CKM matrix element Vtbis calculated to be 1.05 +/- 0.07 (exp)+/- 0.02(theo). All results are in agreement with the standard model predictions. (C) 2017 The Author(s). Published by Elsevier B.V.
KeywordCMS Physics Top quark
DOI10.1016/j.physletb.2017.07.047
WOS KeywordPARTON DISTRIBUTIONS ; LHC
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000411369700108
ADS Bibcode2017PhLB..772..752S
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017PhLB..772..752S
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017PhLB..772..752S/citations
AXRIV CODE161
inspireid1489193
inspireURLhttps://inspirehep.net/record/1489193
Citation statistics
Cited Times:28 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284337
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. Cross section measurement of t-channel single top quark production in pp collisions at[J]. PHYSICS LETTERS B,2017,772:752-776.
APA CMS Collaboration.(2017).Cross section measurement of t-channel single top quark production in pp collisions at.PHYSICS LETTERS B,772,752-776.
MLA CMS Collaboration."Cross section measurement of t-channel single top quark production in pp collisions at".PHYSICS LETTERS B 772(2017):752-776.
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