{"id":"W4410752713","doi":"10.1140/epjc/s10052-025-14041-z","title":"Search for $$t\\bar{t}H/A \\rightarrow t\\bar{t}t\\bar{t}$$ production in proton–proton collisions at $$\\sqrt{s}=13$$ $$\\text {TeV}$$ with the ATLAS detector","year":2025,"lang":"en","type":"article","venue":"The European Physical Journal C","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institute of Particle Physics; Simon Fraser University; York University; University of British Columbia; Carleton University; University of Toronto; University of Alberta; Université de Montréal; University of Victoria; McGill University","funders":"CHIST-ERA; H2020 Marie Skłodowska-Curie Actions; Institut National de Physique Nucléaire et de Physique des Particules; Agencia Estatal de Investigación; Agencia Nacional de Promoción Científica y Tecnológica; Fundação para a Ciência e a Tecnologia; Japan Society for the Promotion of Science; Narodowa Agencja Wymiany Akademickiej; Forskningsrådet om Hälsa, Arbetsliv och Välfärd; Ministerstvo Školství, Mládeže a Tělovýchovy; National Science and Technology Council; European Social Fund; Royal Society; Centre National pour la Recherche Scientifique et Technique; European Regional Development Fund; British Columbia Knowledge Development Fund; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; Knut och Alice Wallenbergs Stiftelse; Israel Science Foundation; Ministerstwo Edukacji i Nauki; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Generalitat de Catalunya; Generalitat Valenciana; Agencia Nacional de Investigación y Desarrollo; UK Research and Innovation; Istituto Nazionale di Fisica Nucleare; U.S. Department of Energy; Carl Tryggers Stiftelse för Vetenskaplig Forskning; Ministero dell'Università e della Ricerca; Grantová Agentura České Republiky; Austrian Science Fund; Natural Sciences and Engineering Research Council of Canada; Ministry of Education, Culture, Sports, Science and Technology; Bundesministerium für Bildung und Forschung; Horizon 2020 Framework Programme; Vetenskapsrådet; National Natural Science Foundation of China; European Commission; Leverhulme Trust; Fundação de Amparo à Pesquisa do Estado de São Paulo; Javna Agencija za Raziskovalno Dejavnost RS; Science and Technology Facilities Council; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Deutsche Forschungsgemeinschaft; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Ministry of Science and Technology of the People's Republic of China; Agence Nationale de la Recherche; National Science Foundation; Baden-Württemberg Stiftung; H2020 European Research Council; Norges Forskningsråd; Alexander von Humboldt-Stiftung; TRIUMF; Danmarks Grundforskningsfond; Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu; Canarie; CERN; Centres de Recerca de Catalunya; Ministerio de Ciencia e Innovación","keywords":"Bar (unit); Atlas detector; Physics; Atlas (anatomy); Proton; Particle physics; Production (economics); Nuclear physics; Large Hadron Collider","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007768565,0.0005788383,0.000554717,0.001095753,0.0009203153,0.001490879,0.0008148766,0.001052108,0.009912355],"category_scores_gemma":[0.0004791919,0.0005236653,0.0007332087,0.0016,0.0002172783,0.0004431555,0.0007413868,0.0003495764,0.001854279],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006217218,"about_ca_system_score_gemma":0.0006034905,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003759092,"about_ca_topic_score_gemma":0.005929788,"domain_scores_codex":[0.9997011,0.00005584992,0.00001198826,0.0000906283,0.00005956503,0.00008081414],"domain_scores_gemma":[0.9995767,0.0001424735,0.00008157528,0.0000369922,0.00004349769,0.0001186108],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.01893907,0.001211519,0.361869,0.0004881594,0.001265073,0.01028937,0.0005638066,0.01814704,0.4927247,0.02668036,0.0296237,0.03819816],"study_design_scores_gemma":[0.002490904,0.003372761,0.3221088,0.00005939921,0.001415178,0.005945276,0.00132862,0.1714033,0.4612853,0.01054799,0.01970343,0.0003390957],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9714316,0.0002320257,0.006683602,0.0005432179,0.00003099928,0.00004427765,0.003653647,0.0008294561,0.01655127],"genre_scores_gemma":[0.9931163,0.00003067115,0.002731908,0.00008717404,0.00001442689,0.00001220219,0.001575301,0.00005416798,0.002377882],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009912355,"threshold_uncertainty_score":0.03316009,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01610433701885826,"score_gpt":0.2809396475486071,"score_spread":0.2648353105297488,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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