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Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC

Aad, G. ; Åkesson, T.P.A. LU orcid ; Doglioni, C. LU ; Ekman, P.A. LU ; Hedberg, V. LU ; Herde, H. LU orcid ; Konya, B. LU ; Lytken, E. LU orcid ; Poettgen, R. LU orcid and Simpson, N.D. LU , et al. (2024) In European Physical Journal C 84(7).
Abstract
Presented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of 140fb-1 of proton-proton collisions at a centre-of-mass energy of 13TeV recorded by the ATLAS experiment. The ALPs are assumed to decay into two photons, providing sensitivity to recently proposed models that could explain the (g-2)μ discrepancy. This analysis covers an ALP mass range from 100 to 62GeV and ALP-photon couplings in the range 10-7TeV-1
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organization
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type
Contribution to journal
publication status
published
subject
keywords
Bosons, Tellurium compounds, Vanadium compounds, A-center, ATLAS experiment, Center-of-mass energies, Centre-of-mass energies, Data set, Higgs Boson decay, Particle mass, Proton proton collisions, The standard model, Two photon, Photons
in
European Physical Journal C
volume
84
issue
7
article number
742
publisher
Springer Nature
external identifiers
  • scopus:85200026299
ISSN
1434-6044
DOI
10.1140/epjc/s10052-024-12979-0
language
English
LU publication?
yes
id
501d4c26-59a8-45a9-8fc0-8f66cd0d33c5
date added to LUP
2024-09-13 09:25:06
date last changed
2025-04-04 14:04:17
@article{501d4c26-59a8-45a9-8fc0-8f66cd0d33c5,
  abstract     = {{Presented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of 140fb-1 of proton-proton collisions at a centre-of-mass energy of 13TeV recorded by the ATLAS experiment. The ALPs are assumed to decay into two photons, providing sensitivity to recently proposed models that could explain the (g-2)μ discrepancy. This analysis covers an ALP mass range from 100 to 62GeV and ALP-photon couplings in the range 10-7TeV-1}},
  author       = {{Aad, G. and Åkesson, T.P.A. and Doglioni, C. and Ekman, P.A. and Hedberg, V. and Herde, H. and Konya, B. and Lytken, E. and Poettgen, R. and Simpson, N.D. and Smirnova, O. and Zwalinski, L.}},
  issn         = {{1434-6044}},
  keywords     = {{Bosons; Tellurium compounds; Vanadium compounds; A-center; ATLAS experiment; Center-of-mass energies; Centre-of-mass energies; Data set; Higgs Boson decay; Particle mass; Proton proton collisions; The standard model; Two photon; Photons}},
  language     = {{eng}},
  number       = {{7}},
  publisher    = {{Springer Nature}},
  series       = {{European Physical Journal C}},
  title        = {{Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC}},
  url          = {{http://dx.doi.org/10.1140/epjc/s10052-024-12979-0}},
  doi          = {{10.1140/epjc/s10052-024-12979-0}},
  volume       = {{84}},
  year         = {{2024}},
}