{"id":"W1682925717","doi":"10.1103/physrevlett.93.031801","title":"Improved Measurement of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mi>ν</mml:mi><mml:mover accent=\"true\"><mml:mi>ν</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>Branching Ratio","year":2004,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":143,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta; University of British Columbia; TRIUMF","funders":"","keywords":"Physics; National laboratory; Branching fraction; Nuclear physics; Analytical Chemistry (journal); Particle physics; Chemistry; Engineering physics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.001498722,0.001010535,0.0005998148,0.002057915,0.0008130349,0.001250536,0.001903518,0.001628081,0.02849788],"category_scores_gemma":[0.001287326,0.0007714336,0.000578643,0.001551306,0.0005723564,0.001428579,0.001279674,0.002047545,0.006390667],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001103251,"about_ca_system_score_gemma":0.0005624656,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003999617,"about_ca_topic_score_gemma":0.01037507,"domain_scores_codex":[0.9986952,0.0001885858,0.00005078555,0.000457775,0.0004303329,0.0001772976],"domain_scores_gemma":[0.9989773,0.0002164381,0.0001447431,0.0002769363,0.000295861,0.0000888873],"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":[0.001295818,0.000556393,0.01743763,0.0003754103,0.0001527859,0.000505455,0.0002366899,0.001805808,0.867978,0.009858038,0.03017653,0.06962154],"study_design_scores_gemma":[0.0003352487,0.0003632383,0.06883658,0.00005444191,0.0002017399,0.00069786,0.00009767494,0.01149057,0.8073635,0.002453019,0.1079455,0.0001607503],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4932318,0.002578474,0.2590093,0.003386712,0.001146123,0.0003893196,0.04472368,0.0171748,0.1783598],"genre_scores_gemma":[0.7899179,0.001017813,0.1549001,0.0006633692,0.0001643361,0.0003870752,0.01585957,0.001522431,0.03556735],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02849788,"threshold_uncertainty_score":0.09533489,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0183655018839738,"score_gpt":0.2522756580263512,"score_spread":0.2339101561423774,"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."}}