{"id":"W4366459486","doi":"10.1103/physrevlett.131.151902","title":"Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector","year":2023,"lang":"en","type":"article","venue":"Physical Review Letters","topic":"Particle Detector Development and Performance","field":"Physics and Astronomy","cited_by":97,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University; University of British Columbia; Simon Fraser University; TRIUMF; Carleton University; University of Alberta; Université de Montréal; Institute of Particle Physics; University of Victoria; McGill University; University of Toronto","funders":"Irish Rugby Football Union; H2020 Marie Skłodowska-Curie Actions; Rutherford Appleton Laboratory; Agencia Nacional de Promoción Científica y Tecnológica; Fundação para a Ciência e a Tecnologia; Japan Society for the Promotion of Science; Australian Research Council; National Research Council Canada; Horizon 2020 Framework Programme; Agencia Nacional de Investigación y Desarrollo; H2020 European Research Council; Norges Forskningsråd; Institut National de Physique Nucléaire et de Physique des Particules; Ministry of Science and Technology, Taiwan; Canada Foundation for Innovation; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Narodowe Centrum Nauki; Knut och Alice Wallenbergs Stiftelse; Canada Research Chairs; Göran Gustafssons Stiftelse för Naturvetenskaplig och Medicinsk Forskning; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Ministerio de Ciencia, Tecnología e Innovación; Generalitat de Catalunya; Deutsche Forschungsgemeinschaft; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Chinese Academy of Sciences; Natural Sciences and Engineering Research Council of Canada; Ministry of Education, Culture, Sports, Science and Technology; Bundesministerium für Bildung und Forschung; Ministerstvo Školství, Mládeže a Tělovýchovy; European Commission; Leverhulme Trust; Fundação de Amparo à Pesquisa do Estado de São Paulo; German-Israeli Foundation for Scientific Research and Development; National Research Foundation; Javna Agencija za Raziskovalno Dejavnost RS; Science and Technology Facilities Council; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Ministry of Science and Technology of the People's Republic of China; Agence Nationale de la Recherche; Austrian Science Fund; Narodowa Agencja Wymiany Akademickiej; European Cooperation in Science and Technology; Instituto Nazionale di Fisica Nucleare; United States-Israel Binational Science Foundation; Helmholtz-Gemeinschaft; Danmarks Grundforskningsfond; “la Caixa” Foundation; Azərbaycan Milli Elmlər Akademiyası; Brookhaven National Laboratory; European Regional Development Fund; British Columbia Knowledge Development Fund; Max-Planck-Gesellschaft; European Social Fund; Centre National pour la Recherche Scientifique et Technique; Royal Society; Compute Canada; National Science Foundation; Alexander von Humboldt-Stiftung; TRIUMF; North Dakota Game and Fish Department; Türkiye Atom Enerjisi Kurumu; Centres de Recerca de Catalunya; CERN; Canarie; Israel Science Foundation; Ministerio de Ciencia e Innovación; National Natural Science Foundation of China; U.S. Department of Energy","keywords":"Atlas (anatomy); Atlas detector; Physics; Nuclear physics; Muon; Detector; Particle physics; Large Hadron Collider; Optics; Medicine","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002763042,0.00008955866,0.0001787557,0.00001688918,0.00003479779,0.000004866907,0.0002265599,0.000002610445,0.00000730712],"category_scores_gemma":[0.000003504266,0.00004623634,0.00005350473,0.0004587729,0.00003927872,0.0001293111,0.00002077476,0.00009812463,0.00001311288],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000005760745,"about_ca_system_score_gemma":0.00001517403,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004427103,"about_ca_topic_score_gemma":0.000005775665,"domain_scores_codex":[0.9992419,0.000101203,0.0001696862,0.0001040137,0.0002298063,0.0001533163],"domain_scores_gemma":[0.9995425,0.0001054559,0.0001294331,0.000181694,0.00002277638,0.00001817794],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002598602,0.0005637478,0.6323211,0.00221368,0.0002268047,0.000006787191,0.006860189,0.002587515,0.2405209,0.0004146992,0.001580967,0.1124438],"study_design_scores_gemma":[0.000438683,0.00009487371,0.9690043,0.0005998487,0.00004491112,2.157873e-7,0.00005227693,0.004504228,0.02415535,0.0002194693,0.0007335796,0.0001522042],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9979616,0.0000588469,0.00006919695,0.001601269,0.00001673852,0.0002675526,0.000006755876,0.000006037023,0.00001202275],"genre_scores_gemma":[0.9993798,0.00005276294,0.00001582647,0.000401083,0.00005321591,0.00007216319,0.00001370042,0.000006520865,0.000004982852],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3366832,"threshold_uncertainty_score":0.1885463,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05204380600251821,"score_gpt":0.2939293156872806,"score_spread":0.2418855096847624,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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