{"id":"W4382196064","doi":"10.1007/jhep06(2023)153","title":"Search for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons in pp collisions at $$ \\sqrt{s} $$ = 13 TeV with the ATLAS detector","year":2023,"lang":"en","type":"article","venue":"Journal of High Energy Physics","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":12,"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":"European Social Fund; Fundação para a Ciência e a Tecnologia; Institut National de Physique Nucléaire et de Physique des Particules; Agencia Nacional de Promoción Científica y Tecnológica; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Narodowa Agencja Wymiany Akademickiej; Centre National pour la Recherche Scientifique et Technique; Centre National de la Recherche Scientifique; Israel Science Foundation; Japan Society for the Promotion of Science; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Generalitat Valenciana; Austrian Science Fund; European Regional Development Fund; Bundesministerium für Bildung und Forschung; Ministerstvo Školství, Mládeže a Tělovýchovy; U.S. Department of Energy; National Natural Science Foundation of China; Fundação de Amparo à Pesquisa do Estado de São Paulo; H2020 Marie Skłodowska-Curie Actions; Javna Agencija za Raziskovalno Dejavnost RS; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Ministry of Education, Culture, Sports, Science and Technology; Agence Nationale de la Recherche; National Science Foundation; Alexander von Humboldt-Stiftung; TRIUMF; Compute Canada; Max-Planck-Gesellschaft; Royal Society; Danmarks Grundforskningsfond; British Columbia Knowledge Development Fund; Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu; Agencia Nacional de Investigación y Desarrollo; Generalitat de Catalunya; Canarie; Deutsche Forschungsgemeinschaft; Centres de Recerca de Catalunya; CERN; Leverhulme Trust; Ministerio de Ciencia e Innovación; European Commission","keywords":"Physics; Particle physics; Higgs boson; Branching fraction; Nuclear physics; Dark photon; Standard Model (mathematical formulation); Muon; Lepton; Boson; Dark matter; Large Hadron Collider; 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":[0.0007624254,0.0003589465,0.0003379638,0.0009904192,0.0004736339,0.001039335,0.0004350301,0.0004737572,0.002838832],"category_scores_gemma":[0.0004118061,0.0003040107,0.0003239716,0.001053726,0.0001764458,0.0003624567,0.0004886055,0.0001547911,0.0006404744],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004155583,"about_ca_system_score_gemma":0.0003624413,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001442944,"about_ca_topic_score_gemma":0.002572019,"domain_scores_codex":[0.9997237,0.00005197628,0.00001669401,0.00005589877,0.00008671496,0.00006487204],"domain_scores_gemma":[0.9996676,0.0001041868,0.00008159172,0.00002915928,0.00003325604,0.00008418646],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.003606133,0.0005564805,0.6575545,0.0001958136,0.0004700618,0.004430132,0.0003386629,0.003264857,0.2955175,0.004908978,0.001979597,0.02717726],"study_design_scores_gemma":[0.0006783615,0.002843687,0.68713,0.00005879211,0.0006535978,0.007213652,0.0006189426,0.03105764,0.2567018,0.002733462,0.01016547,0.0001445549],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9940307,0.0002146404,0.002672595,0.00004632305,0.000004163825,0.00002517313,0.0006242805,0.00008881874,0.002293405],"genre_scores_gemma":[0.9918935,0.0001232012,0.004829473,0.0000649307,0.00001173811,0.00001862927,0.001525301,0.00002061179,0.001512713],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002838832,"threshold_uncertainty_score":0.009496808,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02577743399586732,"score_gpt":0.2743411028814283,"score_spread":0.2485636688855609,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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