{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001491588,0.0001611507,0.0003095134,0.00002029434,0.0001678206,0.00003705617,0.0002204784,0.00001981859,0.000009675508],"category_scores_gemma":[0.000002348737,0.00009258321,0.000136259,0.0002462119,0.0001764653,0.0001411569,0.0001081009,0.000147867,0.000007144471],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008948632,"about_ca_system_score_gemma":0.0000750553,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000263288,"about_ca_topic_score_gemma":0.000009061551,"domain_scores_codex":[0.9989488,0.00006329404,0.0002539206,0.0001305873,0.0003012974,0.0003021354],"domain_scores_gemma":[0.9991456,0.00020064,0.0001459702,0.0001530891,0.0001964642,0.000158231],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001373936,0.0006740827,0.009070955,0.000006624442,0.0002737358,0.000007030062,0.000764958,0.006275858,0.00750026,0.9679063,0.002328534,0.003817757],"study_design_scores_gemma":[0.002301372,0.0006248316,0.0001982772,0.00003058281,0.00005399605,0.000002766189,0.0008229585,0.0003348139,0.8820587,0.1109503,0.002441735,0.0001796601],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9803974,0.0002024618,0.01754089,0.0008476872,0.0001037304,0.0001007968,0.00002143076,0.000005220289,0.0007803681],"genre_scores_gemma":[0.998789,0.000008543727,0.0004024459,0.00002936316,0.0006558456,0.0000275031,0.000004183427,0.00002036366,0.00006272619],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8745584,"threshold_uncertainty_score":0.3775434,"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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