Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6033
Title: Search for vectorlike charge 2/3 T quarks in proton-proton collisions at ?(s) = 8 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Top quark
Issue Date: Jan-2016
Publisher: American Physical Society
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2016). Search for vectorlike charge 2/3 T quarks in proton-proton collisions at √(s) = 8 TeV. Physical Review D, 93(1). doi:10.1103/PhysRevD.93.012003
Abstract: A search for fermionic top quark partners T of charge 2=3 is presented. The search is carried out in proton-proton collisions corresponding to an integrated luminosity of 19.7 fb-1 collected at a center-ofmass energy of √(s) = 8 TeV with the CMS detector at the LHC. The T quarks are assumed to be produced strongly in pairs and can decay into tH, tZ, and bW. The search is performed in five exclusive channels: a single-lepton channel, a multilepton channel, two all-hadronic channels optimized either for the bW or the tH decay, and one channel in which the Higgs boson decays into two photons. The results are found to be compatible with the standard model expectations in all the investigated final states. A statistical combination of these results is performed and lower limits on the T quark mass are set. Depending on the branching fractions, lower mass limits between 720 and 920 GeV at 95% confidence level are found. These are among the strongest limits on vectorlike T quarks obtained to date. © 2016 CERN, for the CMS Collaboration.
URI: http://doi.org/10.1103/PhysRevD.93.012003
http://hdl.handle.net/11147/6033
ISSN: 2470-0010
2470-0029
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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