Search for heavy neutral leptons in events with three charged leptons in proton-proton collisions at s =13 TeV
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-...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English English |
| Published: |
American Physical Society
2018
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/65293/ http://irep.iium.edu.my/65293/ http://irep.iium.edu.my/65293/ http://irep.iium.edu.my/65293/1/65293_Search%20for%20Heavy%20Neutral%20Leptons%20in%20Events_article.pdf http://irep.iium.edu.my/65293/2/65293_Search%20for%20Heavy%20Neutral%20Leptons%20in%20Events_scopus.pdf http://irep.iium.edu.my/65293/13/65293Search%20for%20Heavy%20Neutral%20Leptons%20in%20Events%20with%20Three%20Charged%20Leptons%20in%20Proton-Proton%20Collisions%20at%20s%20%3D13%20TeV%20_wos.pdf |
| Summary: | 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 jVeNj
2 and jVμNj
2, where VlN is
the matrix element describing the mixing of N with the standard model neutrino of flavor l. These are the
first direct limits for N masses above 500 GeVand the first limits obtained at a hadron collider for N masses
below 40 GeV. |
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