Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10614
Title: Observation of the associated production of a single top quark - and a W boson in pp collisions at root s=8 TeV
Authors: CMS Collaboration
Issue Date: 2014
Publisher: American Physical Society
Abstract: The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2 fb(-1) of proton-proton collisions at root s = 8 TeV recorded by the CMS experiment at the LHC. Events with two leptons and a jet originating from a b quark are selected. A multivariate analysis based on kinematic and topological properties is used to separate the signal from the dominant (tt) over bar background. An excess consistent with the signal hypothesis is observed, with a significance which corresponds to 6.1 standard deviations above a background-only hypothesis. The measured production cross section is 23.4 +/- 5.4 pb, in agreement with the standard model prediction.
URI: https://doi.org/10.1103/PhysRevLett.112.231802
https://hdl.handle.net/10614
ISSN: 0031-9007
1079-7114
Appears in Collections:Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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