{"id":"W4403969886","doi":"10.1016/j.physletb.2025.139472","title":"Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector","year":2025,"lang":"en","type":"article","venue":"Physics Letters B","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"International Council of Shopping Centers; Irish Rugby Football Union; CHIST-ERA; Brookhaven National Laboratory; European Social Fund; Fondo Nacional de Desarrollo Científico y Tecnológico; Nuclear Physics; Institut National de Physique Nucléaire et de Physique des Particules; Staatssekretariat für Bildung, Forschung und Innovation; Fundação para a Ciência e a Tecnologia; Japan Society for the Promotion of Science; European Research Council; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Horizon 2020 Framework Programme; College of Engineering, Michigan State University; Agencia Nacional de Investigación y Desarrollo; Institutul de Fizică Atomică; Shanghai Key Laboratory for Particle Physics and Cosmology; Technische Universität Dortmund; Narodowa Agencja Wymiany Akademickiej; Stockholms Universitet; Defence Science Institute; Royal Holloway, University of London; Universidade Federal do Rio de Janeiro; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Southern Methodist University; Université Paris-Saclay; Université de Fribourg; Ludwig-Maximilians-Universität München; H2020 European Research Council; Universidade de São Paulo; Banco Bilbao Vizcaya Argentaria; Scottish Universities Physics Alliance; National Tsing Hua University; CERN; Ministry of Education, India; Shanghai Jiao Tong University; H2020 Marie Skłodowska-Curie Actions; McGill University; Generalitat de Catalunya; Ministerio de Ciencia e Innovación; Università degli Studi di Pavia; Université de Genève; Ministry of Science and Technology, Taiwan; High Energy Accelerator Research Organization; Instituto Nazionale di Fisica Nucleare; Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja; Danmarks Grundforskningsfond; Vetenskapsrådet; National Research Council Canada; European Commission; Knut och Alice Wallenbergs Stiftelse; Department of Physics and Astronomy, University College London; Israel Science Foundation; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Georg-August-Universität Göttingen; Australian Research Council; Generalitat Valenciana; Università di Pisa; Universidad Autónoma de Madrid; Ministerstvo Školství, Mládeže a Tělovýchovy; Technische Universität Dresden; Sapienza Università di Roma; Consejo Nacional de Investigaciones Científicas y Técnicas; Austrian Science Fund; Universität Innsbruck; Agence Nationale de la Recherche; Minerva Foundation; Universität Heidelberg; University of Science and Technology of China; Helmholtz-Gemeinschaft; TRIUMF; Javna Agencija za Raziskovalno Dejavnost RS; National Research Foundation; European Regional Development Fund; European Cooperation in Science and Technology; Norges Forskningsråd; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; University of Glasgow; Fundação de Amparo à Pesquisa do Estado de São Paulo; Leverhulme Trust; Albert-Ludwigs-Universität Freiburg; University College London; Univerza v Ljubljani; Centre National pour la Recherche Scientifique et Technique; Royal Society; Abdus Salam International Centre for Theoretical Physics; Fundación BBVA; Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu; Louisiana Tech University; Ministry of Education, Culture, Sports, Science and Technology; Narodowe Centrum Nauki; Canada Foundation for Innovation; Centre National de la Recherche Scientifique; Max-Planck-Gesellschaft; Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science; Neubauer Family Foundation; Göran Gustafssons Stiftelser; North Dakota Game and Fish Department; Centres de Recerca de Catalunya; National Science and Technology Council; Université Grenoble Alpes; Universidade do Estado do Rio de Janeiro; Cooperative Research Centres, Australian Government Department of Industry; State Key Laboratory of Particle Detection and Electronics; Universidade Federal de Juiz de Fora; Multiple Sclerosis Scientific Research Foundation; Institut \"Jožef Stefan\"; Karlsruhe Institute of Technology; Università degli Studi di Trento; Universidad Nacional de La Plata; HORIZON EUROPE Marie Sklodowska-Curie Actions; Baden-Württemberg Stiftung; Michigan State University; Università della Calabria; U.S. Department of Energy; Shandong University; Agencia Nacional de Promoción Científica y Tecnológica; Deutsches Elektronen-Synchrotron; Justus Liebig Universität Gießen; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; British Columbia Knowledge Development Fund; Chinese Academy of Sciences; Deutsche Forschungsgemeinschaft; Center for Advancing Research Impact in Society; Harvard University; Caring Futures Institute, Flinders University; Queen Mary University of London; Canarie; Alexander von Humboldt-Stiftung; UK Research and Innovation; National Science Foundation; Lunds Universitet; Istituto Nazionale di Fisica Nucleare; Università degli Studi di Napoli Federico II; Aix-Marseille Université; National Natural Science Foundation of China; Iowa State University; Bundesministerium für Bildung und Forschung","keywords":"Physics; Particle physics; Boson; Lepton; Higgs boson; Branching fraction; Large Hadron Collider; Scalar (mathematics); Scalar boson; Standard Model (mathematical formulation); Nuclear physics; Electron","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":[0.00068757,0.000485885,0.0005180089,0.001116243,0.0005355181,0.001042259,0.0004583581,0.0004403621,0.002161466],"category_scores_gemma":[0.0003942733,0.0002859208,0.000443609,0.001025915,0.0002818212,0.0003959892,0.0005461895,0.0002283179,0.0002528833],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005243691,"about_ca_system_score_gemma":0.0004303841,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009316741,"about_ca_topic_score_gemma":0.002325803,"domain_scores_codex":[0.9997447,0.0000551074,0.00001372289,0.00006201467,0.00006388548,0.00006053068],"domain_scores_gemma":[0.9996372,0.0001109758,0.0001023004,0.00003688749,0.00002806439,0.00008455377],"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":[0.003495669,0.0005607068,0.3512481,0.000196347,0.00048422,0.002762505,0.0004379363,0.004892578,0.5988402,0.01689516,0.001171304,0.0190153],"study_design_scores_gemma":[0.0006598203,0.00327174,0.2699924,0.00002792573,0.0006903604,0.004445625,0.00070189,0.04752291,0.6518352,0.0101791,0.01048423,0.000188835],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9949608,0.00007192793,0.00293815,0.00003226836,0.000004203511,0.00001205156,0.0002166783,0.00009535675,0.00166864],"genre_scores_gemma":[0.9959805,0.00003072205,0.002774952,0.00001854708,0.000003090802,0.000007238565,0.0004815897,0.000006698193,0.00069667],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002161466,"threshold_uncertainty_score":0.007230818,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02055224001186829,"score_gpt":0.2885046701988493,"score_spread":0.2679524301869811,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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