{"id":"W2164035952","doi":"10.1103/physrevd.81.052009","title":"Measurement of branching fractions of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>B</mml:mi></mml:math>decays to<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msub><mml:mi>K</mml:mi><mml:mn>1</mml:mn></mml:msub><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1270</mml:mn><mml:mo stretchy=\"false\">)</mml:mo><mml:mi>π</mml:mi></mml:math>and<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msub><mml:mi>K</mml:mi><mml:mn>1</mml:mn></mml:msub><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1400</mml:mn><mml:mo stretchy=\"false\">)</mml:mo><mml:mi>π</mml:mi></mml:math>and determination of the CKM angle<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>α</mml:mi></mml:math>from<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msub><mml:mi>a</mml:mi><mml:mn>1</mml:mn></mml:msub><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1260</mml:mn><mml:msup><mml:mo stretchy=\"false\">)</mml:mo><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>∓</mml:mo></mml:msup></mml:math>","year":2010,"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":23,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria; Université de Montréal; McGill University; University of British Columbia","funders":"SLAC National Accelerator Laboratory; Norges Forskningsråd; Ministry of Education and Science of the Russian Federation; Science and Technology Facilities Council; Istituto Nazionale di Fisica Nucleare; European Commission; Alfred P. Sloan Foundation; Deutsche Forschungsgemeinschaft; U.S. Department of Energy; National Science Foundation","keywords":"Physics; Branching fraction; Particle physics; Annihilation; Electron–positron annihilation; Branching (polymer chemistry); Meson; Pion; Nuclear physics; Hadron","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":[0.001258174,0.0008186669,0.0004514593,0.00196523,0.001070905,0.001372621,0.001273185,0.001721634,0.02260272],"category_scores_gemma":[0.001204652,0.0006404824,0.0006344278,0.001435287,0.0004022422,0.001118185,0.0009344078,0.001850752,0.005726284],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001495408,"about_ca_system_score_gemma":0.0005680844,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00373671,"about_ca_topic_score_gemma":0.006084771,"domain_scores_codex":[0.9990822,0.0001105259,0.0000255994,0.0003380038,0.0002432927,0.000200337],"domain_scores_gemma":[0.9990141,0.0002986148,0.0001607787,0.0001390295,0.0002154568,0.0001720028],"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":[0.004145364,0.0008089893,0.05011719,0.0005317542,0.0004540676,0.0008906354,0.0008459591,0.002294871,0.8259636,0.02062427,0.03269721,0.0606261],"study_design_scores_gemma":[0.0002156446,0.0005552891,0.06226731,0.0001135705,0.0001676306,0.000708736,0.0003383828,0.01196947,0.8807629,0.004632273,0.03815874,0.0001099918],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7450857,0.003177971,0.07380628,0.001318383,0.0003656514,0.0002810682,0.02162546,0.004818812,0.1495207],"genre_scores_gemma":[0.9275801,0.001176734,0.01725218,0.0007488029,0.0000556922,0.0003139699,0.01257035,0.001115569,0.03918649],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02260272,"threshold_uncertainty_score":0.07561368,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01770893648208889,"score_gpt":0.2699833488633734,"score_spread":0.2522744123812846,"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."}}