{"id":"W2891991632","doi":"10.1103/physrevc.99.025503","title":"First ultracold neutrons produced at TRIUMF","year":2019,"lang":"en","type":"article","venue":"Physical review. C","topic":"Atomic and Subatomic Physics Research","field":"Physics and Astronomy","cited_by":40,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Northern British Columbia; University of Winnipeg; Carleton University; TRIUMF; McGill University; University of British Columbia; Simon Fraser University; University of Manitoba","funders":"Japan Society for the Promotion of Science; Natural Sciences and Engineering Research Council of Canada; Canada Foundation for Innovation; TRIUMF; Research Manitoba","keywords":"Ultracold neutrons; Spallation; Neutron; Physics; Nuclear physics; Spallation Neutron Source; Neutron source; Superfluid helium-4; Helium; Ultracold atom; Neutron temperature; Atomic physics","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":[0.0006661399,0.0004199939,0.0007887325,0.0004178554,0.001153292,0.0006157291,0.0005377244,0.0007697945,0.001992184],"category_scores_gemma":[0.0007279086,0.0004669075,0.0004663048,0.0004723362,0.00058265,0.0007548666,0.00117682,0.0007640441,0.0005608078],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001710056,"about_ca_system_score_gemma":0.0006194279,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003053707,"about_ca_topic_score_gemma":0.003847594,"domain_scores_codex":[0.999599,0.00004337004,0.000009747847,0.00007919499,0.0001626776,0.0001059301],"domain_scores_gemma":[0.9996592,0.00006599723,0.00004955325,0.00005032069,0.00009684741,0.00007806459],"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":[0.002264434,0.0002110728,0.01795293,0.0004190044,0.0001814922,0.001824336,0.001422281,0.01191811,0.9357693,0.006092701,0.003876815,0.0180677],"study_design_scores_gemma":[0.0001440163,0.001229228,0.01615676,0.00004720725,0.0000584419,0.0005521448,0.0001415981,0.02866338,0.9395826,0.0006594766,0.01267266,0.00009236316],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9892253,0.0004370118,0.004299292,0.0001058659,0.00007087982,0.00002843062,0.0004668809,0.0002749494,0.005091439],"genre_scores_gemma":[0.9910506,0.0001796495,0.005342297,0.00005133976,0.00001756161,0.00004115277,0.000757868,0.0001633483,0.002396157],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003053707,"threshold_uncertainty_score":0.01240736,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0139316796071234,"score_gpt":0.3275265804638773,"score_spread":0.3135949008567539,"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."}}