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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

Published Web Location

http://doi.org/10.1140/epjc/s10052-024-12979-0
No data is associated with this publication.
Creative Commons 'BY-NC' version 4.0 license
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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