{"id":"W1904582879","doi":"10.1140/epjc/s10052-016-4034-8","title":"Search for new phenomena in events with at least three photons collected in pp collisions at $$\\sqrt{s}$$ s = 8 TeV with the ATLAS detector","year":2016,"lang":"en","type":"article","venue":"The European Physical Journal C","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":116,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University; University of British Columbia; York University; TRIUMF; Carleton University; University of Victoria; McGill University; University of Alberta; Université de Montréal; Institute of Particle Physics; University of Toronto","funders":"Fundação para a Ciência e a Tecnologia; Institut National de Physique Nucléaire et de Physique des Particules; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; H. Lundbeck A/S; Centre National pour la Recherche Scientifique et Technique; Georgian National Science Foundation; National Research Center \"Kurchatov Institute\"; Centre National de la Recherche Scientifique; Israel Science Foundation; Lundbeckfonden; Leverhulme Trust; General Secretariat for Research and Technology; Ministry of Education, Culture, Sports, Science and Technology; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Bundesministerium für Bildung und Forschung; Israeli Centers for Research Excellence; Joint Institute for Nuclear Research; National Science Council; Japan Society for the Promotion of Science; Conselho Nacional de Desenvolvimento Científico e Tecnológico; U.S. Department of Energy; National Natural Science Foundation of China; Fundação de Amparo à Pesquisa do Estado de São Paulo; Javna Agencija za Raziskovalno Dejavnost RS; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Ministerstwo Edukacji i Nauki; CERN; Deutsche Forschungsgemeinschaft; Department of Science and Technology, Ministry of Science and Technology, India; European Commission; National Science Foundation; Alexander von Humboldt-Stiftung; TRIUMF; Max-Planck-Gesellschaft; Royal Society; Comisión Nacional de Investigación Científica y Tecnológica; Danmarks Grundforskningsfond; Türkiye Atom Enerjisi Kurumu","keywords":"Physics; Particle physics; Pseudoscalar; Photon; Higgs boson; Branching fraction; Large Hadron Collider; Nuclear physics; Boson; Standard Model (mathematical formulation); Luminosity; Atlas (anatomy); Meson; Astrophysics; Quantum mechanics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002559416,0.0002215942,0.0002561976,0.00002268017,0.0005691077,0.00004342482,0.0003641854,0.000008002148,0.00003141019],"category_scores_gemma":[0.000005579883,0.0000849623,0.0001040564,0.0003445123,0.0003100804,0.00009331329,0.0002817439,0.0002422075,0.0001161375],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001618505,"about_ca_system_score_gemma":0.00004844283,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000600919,"about_ca_topic_score_gemma":0.00006590335,"domain_scores_codex":[0.9984952,0.0002825281,0.0001982096,0.0002296242,0.0002868854,0.0005075542],"domain_scores_gemma":[0.9990548,0.0004239934,0.00009104644,0.0002074519,0.00005127267,0.000171382],"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":[0.008809494,0.002291452,0.08114938,0.00001388136,0.0008105866,0.00004460043,0.008510678,0.001029258,0.8302559,0.01361357,0.006786834,0.04668436],"study_design_scores_gemma":[0.02308379,0.003203824,0.05385375,0.00075543,0.0002427198,0.00004111023,0.002532495,0.0008541044,0.845921,0.06446928,0.003622269,0.001420266],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9862413,0.00004222148,0.0005775371,0.001520888,0.00002303583,0.0004412257,0.0000307221,0.00001087787,0.01111214],"genre_scores_gemma":[0.9985975,0.000004355282,0.00003271904,0.00001278021,0.0007144496,0.00003304227,0.000001697395,0.00004206568,0.000561409],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05085571,"threshold_uncertainty_score":0.4377173,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01914705075766392,"score_gpt":0.2549417001595196,"score_spread":0.2357946494018557,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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