Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6749
Title: Search for a heavy composite Majorana neutrino in the final state with two leptons and two quarks at s=13TeV
Authors: CMS Collaboration
Karapınar, Güler
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Majorana neutrinos
Issue Date: Dec-2017
Publisher: Elsevier Ltd.
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Search for a heavy composite Majorana neutrino in the final state with two leptons and two quarks at √s=13TeV. Physics Letters, Section B, 775, 315-337. doi:10.1016/j.physletb.2017.11.001
Abstract: A search for physics beyond the standard model in the final state with two same-flavour leptons (electrons or muons) and two quarks produced in proton–proton collisions at s=13TeV is presented. The data were recorded by the CMS experiment at the CERN LHC and correspond to an integrated luminosity of 2.3fb−1. The observed data are in good agreement with the standard model background prediction. The results of the measurement are interpreted in the framework of a recently proposed model in which a heavy Majorana neutrino, Nℓ, stems from a composite-fermion scenario. Exclusion limits are set for the first time on the mass of the heavy composite Majorana neutrino, mNℓ, and the compositeness scale Λ. For the case mNℓ=Λ, the existence of Ne (Nμ) is excluded for masses up to 4.60 (4.70) TeV at 95% confidence level.
URI: http://doi.org/10.1016/j.physletb.2017.11.001
http://hdl.handle.net/11147/6749
ISSN: 0370-2693
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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