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

G. Aad; T.P.A. Åkesson; C. Doglioni; P.A. Ekman; V. Hedberg; H. Herde; B. Konya; E. Lytken; R. Poettgen; N.D. Simpson; O. Smirnova; L. Zwalinski; ATLAS Collaboration

doi:10.1140/epjc/s10052-024-12979-0

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

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, H. Herde, B. Konya, E. Lytken, R. Poettgen, N.D. Simpson, O. Smirnova, L. Zwalinski, ATLAS Collaboration

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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

Original language	English
Article number	742
Journal	European Physical Journal C
Volume	84
Issue number	7
DOIs	https://doi.org/10.1140/epjc/s10052-024-12979-0
Publication status	Published - 2024

Subject classification (UKÄ)

Subatomic Physics

Free 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

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Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L., & ATLAS Collaboration (2024). Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC. European Physical Journal C, 84(7), Article 742. https://doi.org/10.1140/epjc/s10052-024-12979-0

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

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",

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",

author = "G. Aad and T.P.A. {\AA}kesson and C. Doglioni and P.A. Ekman and V. Hedberg and H. Herde and B. Konya and E. Lytken and R. Poettgen and N.D. Simpson and O. Smirnova and L. Zwalinski and {ATLAS Collaboration}",

year = "2024",

doi = "10.1140/epjc/s10052-024-12979-0",

language = "English",

volume = "84",

journal = "European Physical Journal C",

issn = "1434-6044",

publisher = "Springer",

number = "7",

}

Aad, G, Åkesson, TPA , Doglioni, C, Ekman, PA, Hedberg, V , Herde, H , Konya, B , Lytken, E , Poettgen, R, Simpson, ND, Smirnova, O, Zwalinski, L & ATLAS Collaboration 2024, 'Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC', European Physical Journal C, vol. 84, no. 7, 742. https://doi.org/10.1140/epjc/s10052-024-12979-0

TY - JOUR

T1 - Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC

AU - Aad, G.

AU - Åkesson, T.P.A.

AU - Doglioni, C.

AU - Ekman, P.A.

AU - Hedberg, V.

AU - Herde, H.

AU - Konya, B.

AU - Lytken, E.

AU - Poettgen, R.

AU - Simpson, N.D.

AU - Smirnova, O.

AU - Zwalinski, L.

AU - ATLAS Collaboration

PY - 2024

Y1 - 2024

N2 - 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

AB - 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

KW - Bosons

KW - Tellurium compounds

KW - Vanadium compounds

KW - A-center

KW - ATLAS experiment

KW - Center-of-mass energies

KW - Centre-of-mass energies

KW - Data set

KW - Higgs Boson decay

KW - Particle mass

KW - Proton proton collisions

KW - The standard model

KW - Two photon

KW - Photons

U2 - 10.1140/epjc/s10052-024-12979-0

DO - 10.1140/epjc/s10052-024-12979-0

M3 - Article

SN - 1434-6044

VL - 84

JO - European Physical Journal C

JF - European Physical Journal C

IS - 7

M1 - 742

ER -

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

Abstract

Subject classification (UKÄ)

Free keywords

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