{"id":"W4389429223","doi":"10.1126/science.adf1341","title":"Element abundance patterns in stars indicate fission of nuclei heavier than uranium","year":2023,"lang":"en","type":"article","venue":"Science","topic":"Gamma-ray bursts and supernovae","field":"Physics and Astronomy","cited_by":43,"is_retracted":false,"has_abstract":true,"ca_institutions":"TRIUMF","funders":"Los Alamos National Laboratory; Natural Sciences and Engineering Research Council of Canada; National Science Foundation; Vetenskapsrådet; Nuclear Safety and Security Commission; Office of International Science and Engineering; National Aeronautics and Space Administration; U.S. Department of Energy","keywords":"r-process; Nucleosynthesis; Fission; Transuranium element; Atomic number; Uranium-238; Nuclear astrophysics; Nuclear reaction; Physics; Uranium; Radiochemistry; Nuclear physics; Supernova; Neutron capture; Abundance (ecology); Atomic mass; Stars; Neutron; Chemistry; Astrophysics; Biology","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":[0.0001534375,0.0001384933,0.000251296,0.0009197819,0.0001809869,0.0003276386,0.0001354656,0.0002441955,0.00118743],"category_scores_gemma":[0.0004231592,0.0001195262,0.0001485899,0.0005681734,0.0002756302,0.0001404489,0.0002457996,0.0001577792,0.0003981715],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009852239,"about_ca_system_score_gemma":0.00006479512,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000571393,"about_ca_topic_score_gemma":0.001164066,"domain_scores_codex":[0.9998598,0.00001812273,0.00001766558,0.00005243135,0.0000269067,0.00002503406],"domain_scores_gemma":[0.9993715,0.00009407925,0.0003109426,0.00004628285,0.0000864892,0.00009078264],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004310119,0.00002583766,0.7107056,0.00002497994,0.00005142281,0.0001706958,0.000199316,0.0001225975,0.2833782,0.0001393433,0.00003520395,0.004715698],"study_design_scores_gemma":[0.000004269997,0.0001674751,0.9800466,0.000002678086,0.00001964033,0.0007448278,0.0001158987,0.0002438055,0.018121,0.0001203401,0.0004092111,0.000004268323],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992629,0.00006553949,0.0001153646,0.000004540007,7.028042e-7,0.000001592427,0.00008723624,0.000006617216,0.0004555201],"genre_scores_gemma":[0.9992812,0.00002972103,0.0002399541,0.000006319862,0.000001132227,0.000001411554,0.0001661635,0.000004515904,0.0002695749],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00118743,"threshold_uncertainty_score":0.003972411,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01504156426696445,"score_gpt":0.2657007820059462,"score_spread":0.2506592177389817,"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."}}