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Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at √s=13 TeV with the ATLAS detector
dc.contributor.author | Aad, Georges | |
dc.contributor.author | Rodríguez Chala, Mikael | |
dc.contributor.author | Atlas Collaboration, / | |
dc.date.accessioned | 2024-05-03T06:45:05Z | |
dc.date.available | 2024-05-03T06:45:05Z | |
dc.date.issued | 2023-11-28 | |
dc.identifier.citation | G. Aad et al. Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at √s=13 TeV with the ATLAS detector. Physical Review D. 108, 092007 (2023) [10.1103/PhysRevD.108.092007] | es_ES |
dc.identifier.uri | https://hdl.handle.net/10481/91344 | |
dc.description.abstract | A search for a new pseudoscalar a-boson produced in events with a top-quark pair, where the a-boson decays into a pair of muons, is performed using √s=13 TeV pp collision data collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 139 fb−1. The search targets the final state where only one top quark decays to an electron or muon, resulting in a signature with three leptons eμμ and μμμ. No significant excess of events above the Standard Model expectation is observed and upper limits are set on two signal models: pp→tta and pp→tt with t→H±b, H±→W±a, where a→μμ, in the mass ranges 15 GeV<ma<72 GeV and 120 GeV≤mH±≤160 GeV. | es_ES |
dc.description.sponsorship | CERN | es_ES |
dc.description.sponsorship | MICINN | es_ES |
dc.description.sponsorship | COST | es_ES |
dc.description.sponsorship | ERC | es_ES |
dc.description.sponsorship | ERDF | es_ES |
dc.description.sponsorship | Horizon 2020 | es_ES |
dc.description.sponsorship | Marie Skłodowska-Curie Actions | es_ES |
dc.description.sponsorship | La Caixa Banking Foundation | es_ES |
dc.description.sponsorship | CERCA Programme Generalitat de Catalunya | es_ES |
dc.description.sponsorship | PROMETEO and GenT Programmes Generalitat Valenciana | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | American Physical Society | es_ES |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.title | Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at √s=13 TeV with the ATLAS detector | es_ES |
dc.type | journal article | es_ES |
dc.rights.accessRights | open access | es_ES |
dc.identifier.doi | 10.1103/PhysRevD.108.092007 | |
dc.type.hasVersion | VoR | es_ES |
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