Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5460
Title: Search for standard model production of four top quarks in the lepton + jets channel in pp collisions at ?s = 8 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Top quarks
Jets
Leptons
Top physics
Issue Date: 2014
Publisher: Springer Verlag
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2014). Search for standard model production of four top quarks in the lepton + jets channel in pp collisions at √s = 8 TeV. Journal of High Energy Physics, 2014(11). doi:10.1007/JHEP11(2014)154
Abstract: A search is presented for standard model (SM) production of four top quarks (Formula presented.) in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb−1 recorded at a centre-of-mass energy of 8 TeV with the CMS detector at the CERN LHC. The expected cross section for SM (Formula presented.) production is (Formula presented.). A combination of kinematic reconstruction and multivariate techniques is used to distinguish between the small signal and large background. The data are consistent with expectations of the SM, and an upper limit of 32 fb is set at a 95% confidence level on the cross section for producing four top quarks in the SM, where a limit of 32 ± 17 fb is expected.
URI: http://doi.org/10.1007/JHEP11(2014)154
http://hdl.handle.net/11147/5460
ISSN: 1029-8479
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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