{"id":"W4409338041","doi":"10.1088/0026-1394/62/1a/06005","title":"CCRI.RI(II)-K2.Pa-231 Key Comparison of activity measurements of the radionuclide 231Pa","year":2025,"lang":"en","type":"article","venue":"Metrologia","topic":"Radioactive Decay and Measurement Techniques","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada","funders":"","keywords":"Radionuclide; Radiochemistry; Chemistry; Nuclear physics; Physics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0006664165,0.0001775263,0.0004688249,0.0001202827,0.0001570937,0.0000106781,0.0004460715,0.00007242196,0.0000782292],"category_scores_gemma":[0.00006515455,0.0001278596,0.0002495212,0.0004052698,0.0001495986,0.00009869705,0.0001282297,0.0002480037,0.000001842265],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005999691,"about_ca_system_score_gemma":0.00007858733,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002360306,"about_ca_topic_score_gemma":0.000008748656,"domain_scores_codex":[0.9985909,0.0002454539,0.0003548395,0.0002369535,0.0003467943,0.0002249899],"domain_scores_gemma":[0.9988657,0.00008278506,0.0003458392,0.0004973281,0.0001774794,0.00003088901],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0001145774,0.0007249222,0.7482818,0.00002866775,0.0003955035,8.027141e-8,0.0001487803,0.00004367567,0.2225564,0.00493728,0.004358795,0.01840948],"study_design_scores_gemma":[0.000507515,0.0001248117,0.1101956,0.00004405175,0.0001271967,6.371687e-8,0.00009059157,0.00009855153,0.8850527,0.001366272,0.002290536,0.0001021233],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9419903,0.0001664273,0.02327729,0.0002270499,0.0003143593,0.0003956651,0.00002434197,0.00004172395,0.03356283],"genre_scores_gemma":[0.998768,0.000001304291,0.0008318884,0.00003936339,0.00003664534,0.00003005965,0.000003398468,0.000008444215,0.0002808434],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6624962,"threshold_uncertainty_score":0.5213963,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04673155437600397,"score_gpt":0.3242390606089061,"score_spread":0.2775075062329022,"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."}}