Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10696
Title: Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV
Authors: CMS Collaboration
Keywords: CMS
Top physics
Quark
Issue Date: 2013
Publisher: Elsevier Ltd.
Abstract: The results of a search for flavor changing neutral currents in top quark decays t -> Zq in events with a topology compatible with the decay chain t (t) over bar -> Wb + Zq -> lvb + llq are presented. The search is performed with a data sample corresponding to an integrated luminosity of 5.0 fb(-1) of proton-proton collisions at a center-of-mass energy of 7 TeV, collected with the CMS detector at the LHC. The observed number of events agrees with the standard model prediction and no evidence for flavor changing neutral currents in top quark decays is found. A t -> Zq branching fraction greater than 0.21% is excluded at the 95% confidence level. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.physletb.2012.12.045
https://hdl.handle.net/10696
ISSN: 0370-2693
Appears in Collections:Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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