Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7708
Title: Search for heavy neutral leptons in events with three charged leptons in proton-proton collisions at ?s = 13 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Germanium compounds
Charged leptons
Integrated luminosity
Tellurium compounds
Standard model
Issue Date: May-2018
Publisher: American Physical Society
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Search for heavy neutral leptons in events with three charged leptons in proton-proton collisions at √s = 13 TeV. Physical Review Letters, 120(22). doi:10.1103/PhysRevLett.120.221801
Abstract: A search for a heavy neutral lepton N of Majorana nature decaying into a W boson and a charged lepton is performed using the CMS detector at the LHC. The targeted signature consists of three prompt charged leptons in any flavor combination of electrons and muons. The data were collected in proton-proton collisions at a center-of-mass energy of 13 TeV, with an integrated luminosity of 35.9 fb-1. The search is performed in the N mass range between 1 GeV and 1.2 TeV. The data are found to be consistent with the expected standard model background. Upper limits are set on the values of |VeN|2 and |VμN|2, where V N is the matrix element describing the mixing of N with the standard model neutrino of flavor. These are the first direct limits for N masses above 500 GeV and the first limits obtained at a hadron collider for N masses below 40 GeV.
URI: https://doi.org/10.1103/PhysRevLett.120.221801
https://hdl.handle.net/11147/7708
ISSN: 0031-9007
1079-7114
Appears in Collections:Mathematics / Matematik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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