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Search for high-mass resonances in final states with a Formula Presented-lepton and missing transverse momentum 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. (2024) In Physical Review D 109(11).
Abstract
A search for high-mass resonances decaying into a Formula Presented-lepton and a neutrino using proton-proton collisions at a center-of-mass energy of Formula Presented is presented. The full run 2 data sample corresponding to an integrated luminosity of Formula Presented recorded by the ATLAS experiment in the years 2015-2018 is analyzed. The Formula Presented-lepton is reconstructed in its hadronic decay modes and the total transverse momentum carried out by neutrinos is inferred from the reconstructed missing transverse momentum. The search for new physics is performed on the transverse mass between the Formula Presented-lepton and the missing transverse momentum. No excess of events above the Standard Model expectation is observed and... (More)
A search for high-mass resonances decaying into a Formula Presented-lepton and a neutrino using proton-proton collisions at a center-of-mass energy of Formula Presented is presented. The full run 2 data sample corresponding to an integrated luminosity of Formula Presented recorded by the ATLAS experiment in the years 2015-2018 is analyzed. The Formula Presented-lepton is reconstructed in its hadronic decay modes and the total transverse momentum carried out by neutrinos is inferred from the reconstructed missing transverse momentum. The search for new physics is performed on the transverse mass between the Formula Presented-lepton and the missing transverse momentum. No excess of events above the Standard Model expectation is observed and upper exclusion limits are set on the Formula Presented production cross section. Heavy Formula Presented vector bosons with masses up to 5.0 TeV are excluded at 95% confidence level, assuming that they have the same couplings as the Standard Model Formula Presented boson. For nonuniversal couplings, Formula Presented bosons are excluded for masses less than 3.5-5.0 TeV, depending on the model parameters. In addition, model-independent limits on the visible cross section times branching ratio are determined as a function of the lower threshold on the transverse mass of the Formula Presented-lepton and missing transverse momentum. © 2024 CERN, for the ATLAS Collaboration. (Less)
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review D
volume
109
issue
11
article number
112008
publisher
American Physical Society
external identifiers
  • scopus:85196090421
ISSN
2470-0010
DOI
10.1103/PhysRevD.109.112008
language
English
LU publication?
yes
additional info
Number of authors = 2841 EID = 85196090421 Article no = 112008 Affiliation = Jackson P., Department of Physics, University of Adelaide, Adelaide, Australia Affiliation = Shimmin C.O., Department of Physics, Yale University, New Haven, CT, United States Affiliation = Tipton P., Department of Physics, Yale University, New Haven, CT, United States
id
a8452829-a340-4e86-a06a-9ac114b887d9
date added to LUP
2024-08-23 12:00:42
date last changed
2024-08-23 12:01:52
@article{a8452829-a340-4e86-a06a-9ac114b887d9,
  abstract     = {{A search for high-mass resonances decaying into a Formula Presented-lepton and a neutrino using proton-proton collisions at a center-of-mass energy of Formula Presented is presented. The full run 2 data sample corresponding to an integrated luminosity of Formula Presented recorded by the ATLAS experiment in the years 2015-2018 is analyzed. The Formula Presented-lepton is reconstructed in its hadronic decay modes and the total transverse momentum carried out by neutrinos is inferred from the reconstructed missing transverse momentum. The search for new physics is performed on the transverse mass between the Formula Presented-lepton and the missing transverse momentum. No excess of events above the Standard Model expectation is observed and upper exclusion limits are set on the Formula Presented production cross section. Heavy Formula Presented vector bosons with masses up to 5.0 TeV are excluded at 95% confidence level, assuming that they have the same couplings as the Standard Model Formula Presented boson. For nonuniversal couplings, Formula Presented bosons are excluded for masses less than 3.5-5.0 TeV, depending on the model parameters. In addition, model-independent limits on the visible cross section times branching ratio are determined as a function of the lower threshold on the transverse mass of the Formula Presented-lepton and missing transverse momentum. © 2024 CERN, for the ATLAS Collaboration.}},
  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 Skorda, E. and Smirnova, O. and Zwalinski, L.}},
  issn         = {{2470-0010}},
  language     = {{eng}},
  number       = {{11}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review D}},
  title        = {{Search for high-mass resonances in final states with a Formula Presented-lepton and missing transverse momentum with the ATLAS detector}},
  url          = {{http://dx.doi.org/10.1103/PhysRevD.109.112008}},
  doi          = {{10.1103/PhysRevD.109.112008}},
  volume       = {{109}},
  year         = {{2024}},
}