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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 |
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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