{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002412958,0.0006873181,0.0004024751,0.0007946027,0.0006931848,0.001302304,0.0006161013,0.0004164621,0.00105145],"category_scores_gemma":[0.003663848,0.0004815045,0.0004020847,0.001535704,0.0005858526,0.001066125,0.0009062259,0.0005401621,0.0001935951],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009806027,"about_ca_system_score_gemma":0.0005097715,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002751713,"about_ca_topic_score_gemma":0.002191216,"domain_scores_codex":[0.9990519,0.0003951564,0.00003460001,0.0001375394,0.0002164727,0.0001643119],"domain_scores_gemma":[0.9972004,0.001254559,0.0005240809,0.0004217407,0.0004381864,0.00016102],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.004719546,0.0002951963,0.248543,0.0001962771,0.0005689535,0.003449977,0.0006655469,0.6064863,0.06317303,0.04395872,0.002187152,0.0257563],"study_design_scores_gemma":[0.0002448474,0.0003678082,0.1119549,0.00003891171,0.0002190576,0.0011914,0.0003087417,0.7420835,0.1189278,0.02212971,0.002332507,0.0002009459],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9869395,0.0001046887,0.009041653,0.0001065499,0.000006568388,0.000008336816,0.0005439899,0.0001228259,0.003125892],"genre_scores_gemma":[0.9978852,0.00004693587,0.0013042,0.00002497019,0.000003465774,0.000006707854,0.0005214148,0.00002972775,0.0001773882],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002751713,"threshold_uncertainty_score":0.01276112,"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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