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Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb−1 of √s = 13 TeV pp collision data with the ATLAS detector

Aad, G. ; Åkesson, T.P.A. LU orcid ; Bocchetta, S.S. LU ; Corrigan, E.E. LU ; Doglioni, C. LU ; Geisen, J. LU orcid ; Gregersen, K. LU ; Hansen, E. LU ; Hedberg, V. LU and Jarlskog, G. LU , et al. (2021) In Journal of High Energy Physics 2021(2).
Abstract
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of s = 13 TeV during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb−1. The results are interpreted in the context of various R-parity-conserving models where squarks and gluinos are produced in pairs or in association and a neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 2.30 TeV for a simplified model... (More)
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of s = 13 TeV during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb−1. The results are interpreted in the context of various R-parity-conserving models where squarks and gluinos are produced in pairs or in association and a neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 2.30 TeV for a simplified model containing only a gluino and the lightest neutralino, assuming the latter is massless. For a simplified model involving the strong production of mass-degenerate first- and second-generation squarks, squark masses below 1.85 TeV are excluded if the lightest neutralino is massless. These limits extend substantially beyond the region of supersymmetric parameter space excluded previously by similar searches with the ATLAS detector. [Figure not available: see fulltext.] © 2021, The Author(s). (Less)
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publishing date
type
Contribution to journal
publication status
published
subject
keywords
Hadron-Hadron scattering (experiments), Supersymmetry
in
Journal of High Energy Physics
volume
2021
issue
2
article number
143
publisher
Springer
external identifiers
  • scopus:85101822356
ISSN
1029-8479
DOI
10.1007/JHEP02(2021)143
language
English
LU publication?
yes
id
4f1db04c-c5e7-4d91-9963-9d0556dc88f8
date added to LUP
2022-09-05 11:19:17
date last changed
2023-04-06 12:04:10
@article{4f1db04c-c5e7-4d91-9963-9d0556dc88f8,
  abstract     = {{A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of s = 13 TeV during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb−1. The results are interpreted in the context of various R-parity-conserving models where squarks and gluinos are produced in pairs or in association and a neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 2.30 TeV for a simplified model containing only a gluino and the lightest neutralino, assuming the latter is massless. For a simplified model involving the strong production of mass-degenerate first- and second-generation squarks, squark masses below 1.85 TeV are excluded if the lightest neutralino is massless. These limits extend substantially beyond the region of supersymmetric parameter space excluded previously by similar searches with the ATLAS detector. [Figure not available: see fulltext.] © 2021, The Author(s).}},
  author       = {{Aad, G. and Åkesson, T.P.A. and Bocchetta, S.S. and Corrigan, E.E. and Doglioni, C. and Geisen, J. and Gregersen, K. and Hansen, E. and Hedberg, V. and Jarlskog, G. and Kellermann, E. 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 Poulsen, T. and Skorda, E. and Smirnova, O. and Zwalinski, L.}},
  issn         = {{1029-8479}},
  keywords     = {{Hadron-Hadron scattering (experiments); Supersymmetry}},
  language     = {{eng}},
  number       = {{2}},
  publisher    = {{Springer}},
  series       = {{Journal of High Energy Physics}},
  title        = {{Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb−1 of √s = 13 TeV pp collision data with the ATLAS detector}},
  url          = {{http://dx.doi.org/10.1007/JHEP02(2021)143}},
  doi          = {{10.1007/JHEP02(2021)143}},
  volume       = {{2021}},
  year         = {{2021}},
}