{"id":"W1547654921","doi":"10.1016/j.physletb.2013.12.023","title":"Polarized parton distributions at an electron–ion collider","year":2013,"lang":"en","type":"article","venue":"Physics Letters B","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":23,"is_retracted":false,"has_abstract":true,"ca_institutions":"","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; State Atomic Energy Corporation ROSATOM; Centre National pour la Recherche Scientifique et Technique; Georgian National Science Foundation; 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; 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; Bundesministerium für Wissenschaft und Forschung; 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; Parton; Collider; Particle physics; Gluon; Nucleon; Nuclear physics; Deep inelastic scattering; Electron; Proton; Quark; Relativistic Heavy Ion Collider; Scattering; Electron scattering; Inelastic scattering; Ion; Heavy ion","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00003315457,0.0001893764,0.0001915726,0.000008204366,0.0003658149,0.0000759791,0.000131889,0.00001558917,0.0004084433],"category_scores_gemma":[0.000001315827,0.0001693929,0.0001142038,0.0001331053,0.0001595329,0.0003387413,0.0001101502,0.0001147216,0.0009077706],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000697994,"about_ca_system_score_gemma":0.000007161658,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003271923,"about_ca_topic_score_gemma":6.22204e-7,"domain_scores_codex":[0.9989296,0.00005028271,0.0001574384,0.000260143,0.0001491626,0.0004534286],"domain_scores_gemma":[0.9994929,0.00003683,0.0000556739,0.0002358593,0.00003634333,0.000142378],"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":[0.00001300012,0.0002861673,0.01186629,0.000001881639,0.00007352519,2.491327e-7,0.0001901048,0.00001468409,0.8569489,0.1276248,0.002438436,0.0005420062],"study_design_scores_gemma":[0.0004899843,0.00005050657,0.002129715,0.000004921681,0.00003186083,2.215633e-7,0.00007125537,0.0004762796,0.9029725,0.09267206,0.0007984471,0.0003022518],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9811112,0.00001760007,0.01494817,0.001761325,0.00007767662,0.0002243483,0.00004479289,0.00005619475,0.001758705],"genre_scores_gemma":[0.9986064,6.763794e-7,0.0001298427,0.0003144806,0.0005121975,0.0001660627,0.0001847683,0.00001933879,0.00006625433],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04602358,"threshold_uncertainty_score":0.9998701,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009825236554570294,"score_gpt":0.2464349069031486,"score_spread":0.2366096703485784,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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