Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10706
Title: Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism
Authors: CMS Collaboration
Keywords: CMS
Physics
Issue Date: 2012
Publisher: Elsevier Ltd.
Abstract: A search is presented in proton-proton collisions at root s = 7 TeV for fermionic triplet states expected in type Ill seesaw models. The search is performed using final states with three isolated charged leptons and an imbalance in transverse momentum. The data, collected with the CMS detector at the LHC, correspond to an integrated luminosity of 4.9 fb(-1). No excess of events is observed above the background predicted by the standard model, and the results are interpreted in terms of limits on production cross sections and masses of the heavy partners of the neutrinos in type Ill seesaw models. Depending on the considered scenarios, lower limits are obtained on the mass of the heavy partner of the neutrino that range from 180 to 210 GeV. These are the first limits on the production of type III seesaw fermionic triplet states reported by an experiment at the LHC. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.physletb.2012.10.070
https://hdl.handle.net/10706
ISSN: 0370-2693
Appears in Collections:Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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