{"id":"W4306250009","doi":"10.1139/cjp-2022-0175","title":"The caesium fountain clock at the NRC","year":2022,"lang":"en","type":"article","venue":"Canadian Journal of Physics","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada","funders":"","keywords":"Fountain; Atomic clock; Physics; Caesium; Foundation (evidence); Research council; Frequency standard; Library science; Political science; Nuclear physics; Atomic physics; Law; History; Optics; Computer science; Government (linguistics); Archaeology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"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":[0.001158339,0.0003169378,0.0002294091,0.0005567319,0.00146838,0.0016492,0.0008363198,0.000586031,0.006941895],"category_scores_gemma":[0.002719433,0.0001921355,0.0001910548,0.0007189541,0.001118585,0.0007364201,0.001035829,0.0009166009,0.003985294],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.005708968,"about_ca_system_score_gemma":0.009084933,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.109437,"about_ca_topic_score_gemma":0.1101747,"domain_scores_codex":[0.9981145,0.0001238991,0.00002956825,0.0002262874,0.001283974,0.0002218017],"domain_scores_gemma":[0.9983163,0.00009308942,0.00008173935,0.0002169794,0.001120421,0.0001714552],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001280407,0.0001220787,0.009940488,0.0003239407,0.00004787805,0.0006187445,0.001549345,0.01301418,0.1540394,0.2487487,0.2458622,0.3244526],"study_design_scores_gemma":[0.00005985213,0.0002306741,0.002642352,0.00006928391,0.00002020889,0.0002349128,0.0001281311,0.01014414,0.0519126,0.002786951,0.9316985,0.00007231411],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.1346252,0.004320331,0.2388099,0.007507352,0.004389038,0.0008824336,0.004782791,0.01754801,0.5871348],"genre_scores_gemma":[0.6175546,0.001289928,0.2136234,0.001626541,0.0004963087,0.0002820432,0.002949193,0.001931557,0.1602463],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.109437,"threshold_uncertainty_score":0.2176,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007442336258942758,"score_gpt":0.2194572476804646,"score_spread":0.2120149114215219,"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."}}