{"id":"W2924042912","doi":"10.1119/1.5089204","title":"The fortuitous chain reaction","year":2019,"lang":"en","type":"article","venue":"American Journal of Physics","topic":"Nuclear physics research studies","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Fissile material; Physics; Chain reaction; Nuclide; Nuclear physics; Spontaneous fission; Nucleosynthesis; Fission; Nuclear reaction; Neutron; Nuclear fission; Decay chain; Chain (unit); 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":[0.001131511,0.0004706341,0.000364786,0.000397236,0.00245273,0.001785737,0.0007710672,0.001762667,0.01549439],"category_scores_gemma":[0.003832194,0.0003532321,0.0006071627,0.000259401,0.004182647,0.004852511,0.002825149,0.002593524,0.002989285],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009322198,"about_ca_system_score_gemma":0.0007462149,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008396623,"about_ca_topic_score_gemma":0.000689303,"domain_scores_codex":[0.9989879,0.0001442251,0.00003841942,0.0004637674,0.0001964507,0.0001691561],"domain_scores_gemma":[0.9991198,0.0002532467,0.00008973731,0.0003083751,0.0001391712,0.00008974064],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00003896756,0.00001075802,0.0001747846,0.00005717671,0.00001020623,0.0001409517,0.0002521478,0.0003087703,0.003106993,0.9860248,0.003021458,0.006852972],"study_design_scores_gemma":[0.00002519939,0.00008428387,0.0002479827,0.00005254273,0.00002411227,0.0007494483,0.0001733329,0.001464159,0.01422202,0.8349013,0.1480176,0.00003804475],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.1656344,0.00964292,0.1786134,0.01668508,0.005983909,0.000210696,0.0005565507,0.0007244916,0.6219485],"genre_scores_gemma":[0.8653491,0.002873104,0.03592168,0.002148296,0.0004739121,0.0001949155,0.0002832471,0.0002563717,0.09249943],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.01549439,"threshold_uncertainty_score":0.05183387,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007982912134705217,"score_gpt":0.2708115709960924,"score_spread":0.2628286588613872,"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."}}