{"id":"W2112025498","doi":"10.1103/physrevd.71.012003","title":"Quark helicity distributions in the nucleon for up, down, and strange quarks from semi-inclusive deep-inelastic scattering","year":2005,"lang":"en","type":"article","venue":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":265,"is_retracted":false,"has_abstract":true,"ca_institutions":"TRIUMF; Simon Fraser University; University of Alberta","funders":"Japan Society for the Promotion of Science; Fonds Wetenschappelijk Onderzoek; Bundesministerium für Bildung und Forschung; Deutsches Elektronen-Synchrotron; Natural Sciences and Engineering Research Council of Canada; National Science Foundation; Toray Science Foundation; Istituto Nazionale di Fisica Nucleare; Vlaamse regering; European Commission; U.S. Department of Energy; Ministry of Education, Culture, Sports, Science and Technology","keywords":"Physics; Particle physics; Helicity; Quark; Pion; Deep inelastic scattering; Strange quark; Nuclear physics; Quantum chromodynamics; Nucleon; Scattering; Inelastic scattering; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008742415,0.0003507743,0.0004130424,0.001711518,0.0003085562,0.0006964012,0.0003140754,0.0002263897,0.001534862],"category_scores_gemma":[0.001133041,0.000303701,0.0004084611,0.001688883,0.0002680225,0.0004146298,0.0003458033,0.0003060251,0.0005157455],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007275764,"about_ca_system_score_gemma":0.0003074199,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001828509,"about_ca_topic_score_gemma":0.003989574,"domain_scores_codex":[0.9996364,0.00006196484,0.00002726728,0.00007093594,0.0001570402,0.0000463385],"domain_scores_gemma":[0.9993877,0.0001978333,0.0001359236,0.00007348663,0.0001754888,0.00002949353],"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":[0.002328136,0.0001615774,0.1900682,0.001718657,0.0006971683,0.002094792,0.001137692,0.02976239,0.5611721,0.04603412,0.003079027,0.1617462],"study_design_scores_gemma":[0.0001122851,0.0003524708,0.25527,0.0002295092,0.0007783324,0.003241431,0.0004944174,0.06610601,0.6140121,0.0314915,0.02766141,0.0002505205],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.962372,0.003412541,0.01821233,0.0000680469,0.00002283672,0.00002572454,0.00245252,0.0001201976,0.0133138],"genre_scores_gemma":[0.9920275,0.001694039,0.00317666,0.00002872959,0.000006677592,0.00001673072,0.001920389,0.00002575417,0.001103647],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001828509,"threshold_uncertainty_score":0.005279005,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01630577036623195,"score_gpt":0.3282663578229269,"score_spread":0.311960587456695,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}