{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000972531,0.0003919745,0.000478253,0.001260795,0.0004960503,0.001101849,0.0005070077,0.0005986434,0.002121163],"category_scores_gemma":[0.0008040851,0.000282369,0.0003288111,0.001236147,0.0002235758,0.0003044075,0.0007387457,0.0002270373,0.0003514095],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005229354,"about_ca_system_score_gemma":0.0002260827,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001137224,"about_ca_topic_score_gemma":0.001735775,"domain_scores_codex":[0.9993054,0.0001592745,0.00004145951,0.0001813554,0.0001661881,0.0001463961],"domain_scores_gemma":[0.9988585,0.0005026957,0.0002205423,0.0001558845,0.0001132656,0.0001491733],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.004102834,0.0001634947,0.6224021,0.0002190583,0.0004540438,0.004022713,0.0004814954,0.005442878,0.328073,0.005976137,0.001493716,0.02716849],"study_design_scores_gemma":[0.00008317362,0.000859878,0.6177428,0.00001745152,0.0002896095,0.006390306,0.0003041584,0.02526907,0.3405192,0.002103689,0.006296713,0.0001240072],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9926369,0.0002006095,0.003292289,0.00005900408,0.000005820074,0.000006818802,0.0007521929,0.0002615444,0.002784837],"genre_scores_gemma":[0.9976258,0.00002871578,0.001109756,0.0000171389,0.000003126868,0.000004230379,0.0007004641,0.000009301265,0.0005016441],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002121163,"threshold_uncertainty_score":0.007095933,"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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