{"id":"W2154725367","doi":"10.1103/physrevd.85.112009","title":"Initial-state radiation 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: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:math>cross section","year":2012,"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":40,"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; Institut National de Physique Nucléaire et de Physique des Particules; Norges Forskningsråd; Ministry of Education and Science of the Russian Federation; Bundesministerium für Bildung und Forschung; Science and Technology Facilities Council; Deutsche Forschungsgemeinschaft; Istituto Nazionale di Fisica Nucleare; U.S. Department of Energy; European Commission; Alfred P. Sloan Foundation; National Science Foundation","keywords":"Physics; Pi; Nuclear physics; Radiative transfer; Electron–positron annihilation; Sigma; Photon energy; Energy (signal processing); Photon; Atomic physics; Particle physics; Hadron; Optics; Geometry; Mathematics; 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":[0.001281343,0.000931347,0.0005797468,0.0008537015,0.001619133,0.001847249,0.001265951,0.001901935,0.07851105],"category_scores_gemma":[0.001756133,0.0006769603,0.0006675533,0.0009084754,0.0008995432,0.001672971,0.001629798,0.002453123,0.02088016],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002189555,"about_ca_system_score_gemma":0.001416808,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003653424,"about_ca_topic_score_gemma":0.007147771,"domain_scores_codex":[0.9990917,0.0001275513,0.0000266883,0.0002378925,0.0002975208,0.0002186045],"domain_scores_gemma":[0.9988571,0.0002583581,0.0001137692,0.0002393491,0.0003615235,0.0001699051],"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":[0.006306315,0.0008175979,0.03601249,0.001095352,0.0004126038,0.001494354,0.00326275,0.003591675,0.6488197,0.06551872,0.1664111,0.06625732],"study_design_scores_gemma":[0.0002824696,0.0007817004,0.04610619,0.0002243144,0.0001884541,0.0006125364,0.0007080268,0.01085192,0.7861499,0.00622524,0.1475191,0.0003501273],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3377842,0.001204936,0.06940287,0.004690871,0.001318003,0.0004764414,0.02590439,0.01042608,0.5487922],"genre_scores_gemma":[0.915269,0.0002645412,0.01756831,0.001154551,0.0000731552,0.0002811049,0.00765771,0.001797391,0.0559343],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.07851105,"threshold_uncertainty_score":0.2626457,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02117587505983179,"score_gpt":0.2876682942849588,"score_spread":0.266492419225127,"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."}}