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Search for Heavy Neutral Leptons in Decays of W Bosons Using a Dilepton Displaced Vertex in sqrt[s]=13  TeV pp Collisions with the ATLAS Detector

Aad, G. ; Åkesson, T.P.A. LU orcid ; Corrigan, E.E. LU ; Doglioni, C. LU ; Geisen, J. LU orcid ; Hansen, E. LU ; Hedberg, V. LU ; Jarlskog, G. LU ; Konya, B. LU and Lytken, E. LU orcid , et al. (2023) In Physical Review Letters 131(6).
Abstract
A search for a long-lived, heavy neutral lepton (N) in 139  fb^{-1} of sqrt[s]=13  TeV pp collision data collected by the ATLAS detector at the Large Hadron Collider is reported. The N is produced via W→Nμ or W→Ne and decays into two charged leptons and a neutrino, forming a displaced vertex. The N mass is used to discriminate between signal and background. No signal is observed, and limits are set on the squared mixing parameters of the N with the left-handed neutrino states for the N mass range 3  GeV
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
article, boson, flavor, hadron, left handedness, lepton, neutrino, oscillation
in
Physical Review Letters
volume
131
issue
6
article number
061803
publisher
American Physical Society
external identifiers
  • pmid:37625051
ISSN
1079-7114
DOI
10.1103/PhysRevLett.131.061803
language
English
LU publication?
yes
id
eb93a29c-b235-4d92-a12b-0979e930ea88
date added to LUP
2023-12-19 16:19:49
date last changed
2024-01-31 09:05:27
@article{eb93a29c-b235-4d92-a12b-0979e930ea88,
  abstract     = {{A search for a long-lived, heavy neutral lepton (N) in 139  fb^{-1} of sqrt[s]=13  TeV pp collision data collected by the ATLAS detector at the Large Hadron Collider is reported. The N is produced via W→Nμ or W→Ne and decays into two charged leptons and a neutrino, forming a displaced vertex. The N mass is used to discriminate between signal and background. No signal is observed, and limits are set on the squared mixing parameters of the N with the left-handed neutrino states for the N mass range 3  GeV}},
  author       = {{Aad, G. and Åkesson, T.P.A. and Corrigan, E.E. and Doglioni, C. and Geisen, J. and Hansen, E. and Hedberg, V. and Jarlskog, G. and Konya, B. and Lytken, E. and Mankinen, K.H. and Marcon, C. and Mjörnmark, J.U. and Mullier, G.A. and Poettgen, R. and Simpson, N.D. and Skorda, E. and Smirnova, O. and Zwalinski, L.}},
  issn         = {{1079-7114}},
  keywords     = {{article; boson; flavor; hadron; left handedness; lepton; neutrino; oscillation}},
  language     = {{eng}},
  number       = {{6}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Search for Heavy Neutral Leptons in Decays of W Bosons Using a Dilepton Displaced Vertex in sqrt[s]=13  TeV pp Collisions with the ATLAS Detector}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.131.061803}},
  doi          = {{10.1103/PhysRevLett.131.061803}},
  volume       = {{131}},
  year         = {{2023}},
}