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Search for Displaced Leptons in s =13 TeV pp Collisions with the ATLAS Detector

Aad, G ; Åkesson, Torsten LU orcid ; Corrigan, Eric Edward LU ; Doglioni, Caterina LU ; Geisen, Jannik LU orcid ; Brottmann Hansen, Eva LU ; Hedberg, Vincent LU ; Jarlskog, Göran LU ; Konya, Balazs LU and Lytken, Else LU orcid , et al. (2021) In Physical Review Letters 127(5).
Abstract
A search for charged leptons with large impact parameters using 139 fb-1 of s=13 TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are consistent with the background prediction. This search provides unique sensitivity to long-lived scalar supersymmetric lepton partners (sleptons). For lifetimes of 0.1 ns, selectron, smuon, and stau masses up to 720, 680, and 340 GeV, respectively, are excluded at 95% confidence level, drastically improving on the previous best limits from LEP.
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
127
issue
5
article number
051802
publisher
American Physical Society
external identifiers
  • scopus:85112650826
  • pmid:34397238
ISSN
1079-7114
DOI
10.1103/PhysRevLett.127.051802
language
English
LU publication?
yes
id
91910c28-869e-4649-96ca-74d2c93aee18
date added to LUP
2021-09-23 17:18:26
date last changed
2023-04-02 17:42:10
@article{91910c28-869e-4649-96ca-74d2c93aee18,
  abstract     = {{A search for charged leptons with large impact parameters using 139 fb-1 of s=13 TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are consistent with the background prediction. This search provides unique sensitivity to long-lived scalar supersymmetric lepton partners (sleptons). For lifetimes of 0.1 ns, selectron, smuon, and stau masses up to 720, 680, and 340 GeV, respectively, are excluded at 95% confidence level, drastically improving on the previous best limits from LEP.}},
  author       = {{Aad, G and Åkesson, Torsten and Corrigan, Eric Edward and Doglioni, Caterina and Geisen, Jannik and Brottmann Hansen, Eva and Hedberg, Vincent and Jarlskog, Göran and Konya, Balazs and Lytken, Else and Mankinen, Katja and Marcon, Caterina and Mjörnmark, Ulf and Mullier, Geoffrey André Adrien and Pöttgen, Ruth and Poulsen, Trine and Skorda, Eleni and Smirnova, Oxana and Zwalinski, L}},
  issn         = {{1079-7114}},
  language     = {{eng}},
  number       = {{5}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Search for Displaced Leptons in s =13 TeV pp Collisions with the ATLAS Detector}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.127.051802}},
  doi          = {{10.1103/PhysRevLett.127.051802}},
  volume       = {{127}},
  year         = {{2021}},
}