{"id":"W4392972133","doi":"10.1103/physrevd.109.l111101","title":"Observation of the J/ψ→μ+μ−μ+μ− decay in proton-proton collisions at s=13 TeV","year":2024,"lang":"lv","type":"preprint","venue":"Physical review. D/Physical review. D.","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","funders":"Institut National de Physique Nucléaire et de Physique des Particules; Université Catholique de Louvain; Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja; Instituto Nazionale di Fisica Nucleare; Deutsches Elektronen-Synchrotron; Wigner Fizikai Kutatóközpont, Magyar Tudományos Akadémia; Laboratorio Nacional de Supercómputo del Sureste de Mexico; Instituto de Física de Cantabria; Ministry of Higher Education, Science, Research and Innovation, Thailand; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal; Universidade do Estado do Rio de Janeiro; Kementerian Pendidikan Malaysia; Royal Holloway, University of London; Ministry of Science,Technology and Research; U.S. Department of Energy; California Institute of Technology; Pakistan Atomic Energy Commission; Brunel University London; University of Glasgow; RWTH Aachen University; Institute of High Energy Physics; Narodowe Centrum Nauki; Bundesministerium für Bildung und Frauen; Commissariat à l'Énergie Atomique et aux Énergies Alternatives; Fermilab; Benemérita Universidad Autónoma de Puebla; Institute for Research in Fundamental Sciences; Ministry of Education and Science; Fundação para a Ciência e a Tecnologia; Universidad Autónoma de San Luis Potosí; Centro Svizzero di Calcolo Scientifico; Shota Rustaveli National Science Foundation; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional; Hrvatska Zaklada za Znanost; Universiti Malaya; Korea Institute of Science and Technology Information; Ministry for Business Innovation and Employment; Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul; Orta Doğu Teknik Üniversitesi; Joint Institute for Nuclear Research; Bulgarian National Science Fund; University of Wisconsin-Madison; University of Ioannina; Ministerio de Ciencia e Innovación; Ministry of Science, ICT and Future Planning; Fonds Wetenschappelijk Onderzoek; University of California, San Diego; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Fonds De La Recherche Scientifique - FNRS; Austrian Science Fund; Secretaría de Educación Pública; Bundesministerium für Bildung, Wissenschaft und Forschung; Deutsche Forschungsgemeinschaft; Chinese Academy of Sciences; Ministerio de Economía y Competitividad; Bundesministerium für Bildung und Forschung; European Research Council; Centre National de la Recherche Scientifique; Academy of Finland; Ministry of Science and Technology of the People's Republic of China; Izglītības un zinātnes ministrija; Karlsruhe Institute of Technology; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Fundação de Amparo à Pesquisa do Estado de São Paulo; Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas; Secretaría de Educación Superior, Ciencia, Tecnología e Innovación; Department of Atomic Energy, Government of India; Kyungpook National University; National Academy of Sciences of Ukraine; University of Bristol; Department of Science and Technology, Ministry of Science and Technology, India; Tata Institute of Fundamental Research; Science and Technology Facilities Council; Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu; Ministarstvo znanosti i obrazovanja; Ministry of Education, India; CERN; Agencia Estatal de Investigación; Keemilise ja Bioloogilise Füüsika Instituut; Helmholtz-Gemeinschaft; National Energy Research Scientific Computing Center; University of Oxford; National Science Foundation; Purdue University; University of Nebraska-Lincoln; Baylor University; National Science and Technology Development Agency; National Research Foundation of Korea; National Natural Science Foundation of China; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; San Diego Supercomputer Center; Türkiye Bilimsel ve Teknolojik Araştırma Kurumu; Rutherford Appleton Laboratory; Massachusetts Institute of Technology; University of Colorado Boulder; University of Florida; Quaid-i-Azam University; Consejo Nacional de Ciencia y Tecnología; Vanderbilt University; Imperial College London; Queen Mary University of London; Science Foundation Ireland","keywords":"Physics; Branching fraction; Luminosity; Proton; Nuclear physics; Particle physics; Astrophysics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0004675143,0.0005116721,0.0003888517,0.001156779,0.00140289,0.001383826,0.0007887081,0.001678688,0.05124879],"category_scores_gemma":[0.0007394507,0.0004694629,0.0005457423,0.001573935,0.000538149,0.001129243,0.001196684,0.0023941,0.006373473],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008740238,"about_ca_system_score_gemma":0.0005094805,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005295848,"about_ca_topic_score_gemma":0.00927549,"domain_scores_codex":[0.9996561,0.00001999258,0.000008846765,0.0000900568,0.0001274268,0.00009768854],"domain_scores_gemma":[0.9993289,0.0001683325,0.0001303645,0.0001139929,0.0001333986,0.0001251474],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.004902807,0.0005407134,0.06125304,0.001322789,0.0004084903,0.01380868,0.003269383,0.002149275,0.4992327,0.03654395,0.2950646,0.08150351],"study_design_scores_gemma":[0.0003506144,0.000625745,0.365101,0.0003573507,0.0002307337,0.006671471,0.001660402,0.01496584,0.3420729,0.005937221,0.2617846,0.0002421641],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4607562,0.001577608,0.03794936,0.005948502,0.001268106,0.0001488412,0.03006004,0.007972895,0.4543184],"genre_scores_gemma":[0.9006928,0.0005529281,0.009336574,0.001208056,0.0001422393,0.0001105533,0.01212523,0.001613921,0.0742176],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05124879,"threshold_uncertainty_score":0.1714443,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02141246721319275,"score_gpt":0.2980073698522975,"score_spread":0.2765949026391048,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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