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Search for quantum black hole production in lepton plus jet final states using proton-proton collisions at √s=13 TeV with the ATLAS detector
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| Resumo: | A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140\thinspace\thinspace fb\(^{-1}\) of data collected by the ATLAS detector in proton-proton collisions at \(\sqrt{s} = 13\thinspace\thinspace \text{TeV}\) at the Large Hadron Collider. The observed invariant mass spectrum of lepton+jet pairs is consistent with Standard Model expectations. Upper limits are set at 95\% confidence level on the production cross section times branching fractions for quantum black holes decaying into a lepton and a quark in a search region with invariant mass above 2.0 TeV. The resulting quantum black hole lower mass threshold limit is 9.2 TeV in the Arkani-Hamed-Dimopoulos-Dvali model, and 6.8 TeV in the Randall-Sundrum model. |
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| Autores principais: | Castro, Nuno Filipe |
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| Outros Autores: | Onofre, A.; ATLAS Collaboration |
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| Assunto: | Ciências Naturais::Ciências Físicas |
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| Ano: | 2024 |
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| País: | Portugal |
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| Tipo de documento: | artigo |
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| Tipo de acesso: | acesso aberto |
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| Instituição associada: | Universidade do Minho |
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| Idioma: | inglês |
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| Origem: | RepositóriUM - Universidade do Minho |
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