{"id":"W2157850022","doi":"10.1139/p00-027","title":"Optical Ramsey spectroscopy and coherence measurements of the clock transition in a single trapped Sr ion","year":2000,"lang":"en","type":"article","venue":"Canadian Journal of Physics","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Universität Innsbruck","keywords":"Dephasing; Laser linewidth; Physics; Atomic physics; Excitation; Spectroscopy; Laser; Coherence (philosophical gambling strategy); Ion trap; Ion; Full width at half maximum; Rabi frequency; Optics; Condensed matter physics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00008925002,0.00007234197,0.0001398537,0.00002316815,0.00005471481,0.00001308025,0.00008430758,0.00002013957,0.0002849602],"category_scores_gemma":[0.000003705818,0.00005876979,0.00006021995,0.0001275542,0.00009963171,0.0001239281,0.000001233274,0.0001671029,7.848406e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005665661,"about_ca_system_score_gemma":0.0003821424,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000459759,"about_ca_topic_score_gemma":0.0006609323,"domain_scores_codex":[0.9994434,0.00003159997,0.0001920595,0.00006313436,0.0001215394,0.0001482657],"domain_scores_gemma":[0.9996346,0.00001057451,0.00008096314,0.00006975471,0.00006025706,0.0001438453],"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":[0.0004801852,0.0007668849,0.1108866,0.000103456,0.0003807682,0.00004626059,0.01339476,0.01111763,0.2441286,0.03071888,0.001343413,0.5866325],"study_design_scores_gemma":[0.005257188,0.0009036798,0.02954258,0.0009885336,0.0001815451,0.00002468162,0.0008452566,0.0002338163,0.7864268,0.1724522,0.002557436,0.0005861945],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9887435,0.0001200765,0.002861772,0.0001910728,0.0000907478,0.00009341834,0.00003376573,8.484191e-7,0.007864761],"genre_scores_gemma":[0.9992975,0.000001308223,0.0004347884,0.00002782918,0.0002129313,6.811235e-7,0.000001264546,0.000005602027,0.00001810229],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5860463,"threshold_uncertainty_score":0.3120114,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0174469003983714,"score_gpt":0.2323911360865039,"score_spread":0.2149442356881325,"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."}}