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Title: Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at Formula Presented with the ATLAS detector
Authors: Filmer, E.K.
Jackson, P.
Kong, A.X.Y.
Pandya, H.D.
Potti, H.
Ruggeri, T.A.
Ting, E.X.L.
Issue Date: 2023
Publisher: American Physical Society
Abstract: A search for a new pseudoscalar Formula Presented-boson produced in events with a top-quark pair, where the Formula Presented-boson decays into a pair of muons, is performed using Formula Presented Formula Presented collision data collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of Formula Presented. The search targets the final state where only one top quark decays to an electron or muon, resulting in a signature with three leptons Formula Presented and Formula Presented. No significant excess of events above the Standard Model expectation is observed and upper limits are set on two signal models: Formula Presented and Formula Presented with Formula Presented, Formula Presented, where Formula Presented, in the mass ranges Formula Presented and Formula Presented. © 2023 CERN, for the ATLAS Collaboration.
ISSN: 2470-0010
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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