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|a CMS Collaboration
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|a Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a Abercrombie, Daniel Robert
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|a Allen, Brandon Leigh
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|a Azzolini, Virginia
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|a Baty, Austin Alan
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|a Brandt, Stephanie Akemi
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|a Innocenti, Gian Michele
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|a Luckey Jr, P David
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|a Maier, Benedikt
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|a Marini, Andrea Carlo
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|a McGinn, Christopher Francis
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|a Mironov, Camelia Maria
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|a Narayanan, Siddharth Madhavan
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|a Niu, Xinmei
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|a Paus, Christoph M. E.
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|a Roland, Christof E
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|a Velicanu, Dragos Alexandru
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|a Allen, Brandon Leigh
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|a Azzolini, Virginia
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|a Baty, Austin Alan
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|a Bauer, Gerry P
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|a Bi, Ran
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|a Gomez-Ceballos, Guillelmo
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|a Goncharov, Maxim
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|a Harris, Philip Coleman
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|a Hsu, Dylan George
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|a Hu, Miao
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|a Iiyama, Yutaro
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|a Innocenti, Gian Michele
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|a Klute, Markus
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|a Kovalskyi, Dmytro
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|a Lee, Yen-Jie
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|a Luckey Jr, P David
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|a Maier, Benedikt
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|a Marini, Andrea Carlo
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|a McGinn, Christopher Francis
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|a Mironov, Camelia Maria
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|a Narayanan, Siddharth Madhavan
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|a Niu, Xinmei
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|a Paus, Christoph M. E.
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|a Roland, Christof E
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|a Roland, Gunther M
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|a Stephans, George S. F.
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|a Sumorok, Konstanty C
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|a Tatar, Kaya
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|a Velicanu, Dragos Alexandru
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|a Wang, Jing
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|a Wang, Ta-Wei
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|a Wyslouch, Boleslaw
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|a Shi, Zhaozhong
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|a Search for heavy Majorana neutrinos in same-sign dilepton channels in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
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|b Springer Berlin Heidelberg,
|c 2019-02-04T19:04:55Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/120178
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|a A search is performed for a heavy Majorana neutrino (N), produced in leptonic decay of a W boson propagator and decaying into a W boson and a lepton, with the CMS detector at the LHC. The signature used in this search consists of two same-sign leptons, in any flavor combination of electrons and muons, and at least one jet. The data were collected during 2016 in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb⁻¹. The results are found to be consistent with the expected standard model background. Upper limits are set in the mass range between 20 and 1600 GeV in the context of a Type-I seesaw mechanism, on |V[subscript eN]|², |V[subscript μN]|², and |V[subscript eN]V[subscript μN] * |²/(|V[subscript eN]|² + |V[subscript μN]|²), where VℓN is the matrix element describing the mixing of N with the standard model neutrino of flavor ℓ = e, μ. For N masses between 20 and 1600 GeV, the upper limits on |VℓN|2 range between 2.3 × 10⁻⁵ and unity. These are the most restrictive direct limits for heavy Majorana neutrino masses above 430 GeV. Keywords: Beyond Standard Model; Hadron-Hadron scattering (experiments)
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|a en_US
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|a Article
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|t Journal of High Energy Physics
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