Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/12086
Title: Search for a Light CP-Odd Higgs Boson Decaying Into a Pair of τ-Leptons in Proton-Proton Collisions at √s = 13 TeV With the ATLAS Detector
Authors: Aad, G.
Aakvaag, E.
Abbott, B.
Abdelhameed, S.
Abeling, K.
Abicht, N.J.
Jeanty, L.
Keywords: Hadron-Hadron Scattering
Higgs Physics
Publisher: Springer Science and Business Media Deutschland GmbH
Abstract: This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb−1 collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays into a τ+τ− pair which subsequently decays into a fully leptonic μ+νμν¯τe−ν¯eντ or e+νeν¯τμ−ν¯μντ final state. No significant excess of events above the predicted Standard Model background is observed. The results are interpreted within a flavour-aligned two-Higgs-doublet model, and a model-independent cross-section interpretation is also given. Upper limits at 95% confidence level between 3.0 pb and 68 pb are set on the cross-section for producing a CP-odd Higgs boson that decays into a τ+τ− pair. © The Author(s) 2024.
URI: https://doi.org/10.1007/JHEP12(2024)126
ISSN: 1029-8479
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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