{"id":"W2076711755","doi":"10.1139/p02-086","title":"Optical measurement of the 2S hyperfine interval in atomic hydrogen","year":2002,"lang":"en","type":"article","venue":"Canadian Journal of Physics","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hyperfine structure; Physics; Hydrogen; Atomic physics; Interval (graph theory); Work (physics); Quantum mechanics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003814542,0.0002629789,0.0001557364,0.0006556626,0.0005521799,0.0004027176,0.00057224,0.0004130912,0.002142462],"category_scores_gemma":[0.0005032746,0.0001724064,0.000132242,0.0005348557,0.001049967,0.0005045264,0.0006576387,0.0004406751,0.0001700761],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003749247,"about_ca_system_score_gemma":0.0003679021,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009558895,"about_ca_topic_score_gemma":0.001534399,"domain_scores_codex":[0.9997455,0.00006097099,0.000004502749,0.00004275945,0.00008914266,0.00005703096],"domain_scores_gemma":[0.9997237,0.00008400992,0.00006684244,0.00003884529,0.00004530582,0.00004130236],"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":[0.0009817618,0.000328908,0.01279133,0.0003351982,0.00007299109,0.0004114712,0.0006203396,0.002778611,0.9042747,0.01750311,0.002046368,0.05785535],"study_design_scores_gemma":[0.0003401452,0.002022203,0.04194782,0.00006388367,0.00008878094,0.000745039,0.0005925922,0.0169956,0.9133626,0.005972275,0.01778213,0.00008695025],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9715592,0.0009696748,0.01185431,0.0004253814,0.00007675321,0.00005875519,0.0002437338,0.0001632883,0.01464886],"genre_scores_gemma":[0.9891835,0.000297144,0.008950518,0.0001014462,0.00005260732,0.00003703499,0.00009508766,0.00001519099,0.001267429],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002142462,"threshold_uncertainty_score":0.00716722,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02128551578977012,"score_gpt":0.214469764052793,"score_spread":0.1931842482630229,"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."}}