{"id":"W4392005294","doi":"10.1016/j.physletb.2024.138536","title":"Search for the decay of the Higgs boson to a Z boson and a light pseudoscalar particle decaying to two photons","year":2024,"lang":"en","type":"article","venue":"Physics Letters B","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"","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; Scalar boson; Pseudoscalar; Lepton; Branching fraction; Nuclear physics; Large Hadron Collider; Boson; Photon; Standard Model (mathematical formulation); Technicolor; Gauge boson; Quark; Electron; Quantum mechanics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001274426,0.0001426262,0.0001587899,0.00001004629,0.0002602362,0.00008985765,0.0001968532,0.000007812385,0.000008653875],"category_scores_gemma":[0.000002865755,0.00008490935,0.0001353344,0.0002954256,0.0001194659,0.00007262889,0.0002464829,0.00009769898,0.00002768906],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002044605,"about_ca_system_score_gemma":0.00001166292,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001395601,"about_ca_topic_score_gemma":6.031547e-7,"domain_scores_codex":[0.9990691,0.00003403589,0.0001461374,0.000247343,0.0001715644,0.0003318127],"domain_scores_gemma":[0.999376,0.00024933,0.00001856367,0.0002349668,0.00002581532,0.00009534413],"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":[0.0000307901,0.00006420603,0.007917928,0.00001764727,0.0001097804,2.202906e-7,0.003502826,0.0002065562,0.812796,0.1677286,0.001035838,0.006589574],"study_design_scores_gemma":[0.0001934782,0.00003900291,0.0001662049,0.00005194291,0.00005332404,1.614684e-7,0.0004541165,0.002140049,0.9908998,0.004773956,0.001108673,0.0001192866],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9512135,0.0001254004,0.0204644,0.02727641,0.0001254556,0.000497807,0.00003329467,0.00001996986,0.0002437151],"genre_scores_gemma":[0.9986614,8.773824e-7,0.000187067,0.0005679579,0.0003120896,0.0002339235,9.396337e-7,0.00002165941,0.00001407377],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1781038,"threshold_uncertainty_score":0.3462503,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01835348281104672,"score_gpt":0.2933355123506436,"score_spread":0.2749820295395969,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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