{"id":"W1484711978","doi":"10.1103/physrevlett.103.231801","title":"Precise Measurement of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</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:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy=\"false\">(</mml:mo><mml:mi>γ</mml:mi><mml:mo stretchy=\"false\">)</mml:mo></mml:math>Cross Section with the Initial State Radiation Method at<i>BABAR</i>","year":2009,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":291,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria; Université de Montréal; McGill University; University of British Columbia","funders":"Science and Technology Facilities Council","keywords":"Physics; Muon; Particle physics; Hadron; Order (exchange); Energy (signal processing); Luminosity; Nuclear physics; Quantum mechanics","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":[0.001480039,0.0008597043,0.0005701888,0.001078994,0.0008537999,0.001324742,0.001050966,0.001752555,0.02967911],"category_scores_gemma":[0.001339731,0.0008604467,0.0005423907,0.0008634692,0.0008206352,0.001197115,0.001132024,0.00204869,0.009435701],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009636139,"about_ca_system_score_gemma":0.0005746594,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001239704,"about_ca_topic_score_gemma":0.002421,"domain_scores_codex":[0.998912,0.0002124895,0.00003587262,0.0002808395,0.0004128033,0.0001459749],"domain_scores_gemma":[0.9990036,0.0003474692,0.0001618619,0.0002822185,0.0001468772,0.00005805813],"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":[0.001312125,0.0001831881,0.008155595,0.0004721791,0.0001738516,0.0003998952,0.0006411722,0.004565897,0.8474236,0.05556532,0.01794188,0.06316523],"study_design_scores_gemma":[0.00007040193,0.0002853801,0.01269241,0.00004733518,0.00005782888,0.0002931244,0.0001417287,0.005729798,0.9537892,0.002819156,0.02397456,0.00009907135],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3225697,0.002311812,0.4695598,0.001616307,0.0007251141,0.0002416501,0.008552977,0.01118764,0.183235],"genre_scores_gemma":[0.8964769,0.0008712254,0.06614169,0.0005153773,0.00005590594,0.0003610196,0.002552268,0.002893754,0.03013187],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.02967911,"threshold_uncertainty_score":0.09928656,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01978271638305897,"score_gpt":0.2703703469415842,"score_spread":0.2505876305585252,"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."}}