{"id":"W2025200688","doi":"10.1007/jhep07(2015)162","title":"Search for heavy Majorana neutrinos with the ATLAS detector in pp collisions at $$ \\sqrt{s}=8 $$ TeV","year":2015,"lang":"en","type":"article","venue":"Journal of High Energy Physics","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":177,"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; Agencia Nacional de Promoción Científica y Tecnológica; 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; Israeli Centers for Research Excellence; Joint Institute for Nuclear Research; Japan Society for the Promotion of Science; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Lundbeckfonden; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Leverhulme Trust; General Secretariat for Research and Technology; Ministry of Education, Culture, Sports, Science and Technology; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Austrian Science Fund; Bundesministerium für Bildung und Forschung; National Science Council; 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; European Commission; National Science Foundation; Alexander von Humboldt-Stiftung; TRIUMF; Max-Planck-Gesellschaft; Royal Society; Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS); Deutsche Forschungsgemeinschaft; Ministerstwo Edukacji i Nauki; CERN; Comisión Nacional de Investigación Científica y Tecnológica; Danmarks Grundforskningsfond; Services Fédéraux des Affaires Scientifiques, Techniques et Culturelles; Department of Science and Technology, Ministry of Science and Technology, India; Türkiye Atom Enerjisi Kurumu","keywords":"Physics; Particle physics; MAJORANA; Neutrino; Large Hadron Collider; Nuclear physics; Lepton; Standard Model (mathematical formulation); Branching fraction; Seesaw mechanism; Gauge boson; Physics beyond the Standard Model; ATLAS experiment; Lepton number; Boson; Context (archaeology); Gauge (firearms); Gauge theory","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":[0.001151187,0.0007414797,0.000584263,0.001442751,0.0006698638,0.001465715,0.0007337494,0.0007375979,0.003256063],"category_scores_gemma":[0.0007312134,0.0005610842,0.0005324642,0.001631585,0.0002678184,0.0005853315,0.0009200589,0.0003144413,0.0006195593],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004523945,"about_ca_system_score_gemma":0.0005407801,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001357689,"about_ca_topic_score_gemma":0.002071721,"domain_scores_codex":[0.999402,0.0001511136,0.00002732705,0.0001368465,0.0001769057,0.0001057512],"domain_scores_gemma":[0.9995698,0.000172864,0.00007860361,0.0000480794,0.00004692423,0.00008367503],"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":[0.007222077,0.0006203871,0.2524496,0.0004592661,0.0006950502,0.007081184,0.0006503276,0.01480052,0.6371951,0.0195963,0.004742086,0.05448803],"study_design_scores_gemma":[0.001306561,0.004344381,0.2147911,0.000083046,0.0009712012,0.0116027,0.000787647,0.136401,0.588119,0.01862113,0.02257756,0.0003946777],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9761856,0.0004449516,0.01489922,0.0001338058,0.00002154287,0.00004093986,0.00141213,0.000543004,0.00631876],"genre_scores_gemma":[0.9868708,0.0001385082,0.009307622,0.00007302518,0.00002777566,0.00002598668,0.001730609,0.00003676541,0.00178898],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003256063,"threshold_uncertainty_score":0.01089257,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02051510948490076,"score_gpt":0.2637668994320482,"score_spread":0.2432517899471474,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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