{"id":"W1781194442","doi":"10.1103/physrevd.79.032001","title":"First measurement of the ratio of branching fractions<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi mathvariant=\"script\">B</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>b</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:mo>→</mml:mo><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msup><mml:mi>μ</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msub><mml:mover accent=\"true\"><mml:mi>ν</mml:mi><mml:mo>¯</mml:mo></mml:mover><mml:mi>μ</mml:mi></mml:msub><mml:mo stretchy=\"false\">)</mml:mo><mml:mo>/</mml:mo><mml:mi mathvariant=\"script\">B</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>b</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:mo>→</mml:mo><mml:msubsup><mml:mi>Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy=\"false\">)</mml:mo></mml:math>","year":2009,"lang":"lv","type":"article","venue":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":27,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; Institute of Particle Physics; Simon Fraser University; University of Toronto; TRIUMF","funders":"Fermilab; Science and Technology Facilities Council; Istituto Nazionale di Fisica Nucleare; Centre National de la Recherche Scientifique; Bundesministerium für Bildung und Forschung; Ministerio de Ciencia e Innovación; Natural Sciences and Engineering Research Council of Canada; National Science Council; Alfred P. Sloan Foundation; U.S. Department of Energy; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Russian Foundation for Basic Research; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation","keywords":"Physics; Lambda; Branching fraction; Particle physics; Tevatron; Branching (polymer chemistry); Semileptonic decay; Analytical Chemistry (journal); Nuclear physics; Lepton; Electron; Large Hadron Collider; Quantum mechanics","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":[0.001437045,0.001513057,0.0009658916,0.003672628,0.001342612,0.002170937,0.001531715,0.003611254,0.03794743],"category_scores_gemma":[0.002649763,0.001213323,0.001255923,0.001476237,0.0006177329,0.00153365,0.001456555,0.004219545,0.01213382],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001301283,"about_ca_system_score_gemma":0.0005299819,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002586072,"about_ca_topic_score_gemma":0.003777401,"domain_scores_codex":[0.9984608,0.0001242167,0.00003497253,0.0005795017,0.0004327756,0.0003677686],"domain_scores_gemma":[0.9978639,0.0005564973,0.0002309185,0.0003732694,0.0005794477,0.0003959326],"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":[0.002738377,0.0006918969,0.02268236,0.0006132937,0.0004581864,0.0007606985,0.0005966191,0.000646922,0.8416196,0.008511111,0.05020902,0.07047202],"study_design_scores_gemma":[0.0002038495,0.001084915,0.07302092,0.0001535,0.0003441495,0.001571184,0.0004010049,0.006790085,0.8224792,0.003854507,0.08987559,0.0002211418],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4388787,0.009951982,0.183719,0.004414253,0.002510268,0.0007138968,0.0385365,0.03131531,0.28996],"genre_scores_gemma":[0.8614157,0.001671023,0.05296722,0.002169176,0.0002970854,0.0005477906,0.01244161,0.003687215,0.06480305],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03794743,"threshold_uncertainty_score":0.1269469,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01897457202529865,"score_gpt":0.2685140461140885,"score_spread":0.2495394740887898,"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."}}