{"id":"W3204382990","doi":"10.1103/physrevd.103.092001","title":"Study of the reactions <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 stretchy=\"false\">→</mml:mo><mml:mn>2</mml:mn><mml:mo stretchy=\"false\">(</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:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> and <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:mn>2</mml:mn><mml:mo stretchy=\"false\">(</mml:mo><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup><mml:mo stretchy=\"false\">)</mml:mo><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:mi>η</mml:mi></mml:mrow></mml:math> at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation","year":2021,"lang":"lv","type":"article","venue":"Physical review. D/Physical review. D.","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"St. Francis Xavier University; Université de Montréal; Institute of Particle Physics; University of Victoria; McGill University; University of British Columbia","funders":"SLAC National Accelerator Laboratory; Institut National de Physique Nucléaire et de Physique des Particules; Science and Technology Facilities Council; Ministry of Education and Science of the Russian Federation; Bundesministerium für Bildung und Forschung; Norges Forskningsråd; United States-Israel Binational Science Foundation; U.S. Department of Energy; European Commission; Istituto Nazionale di Fisica Nucleare Sezione di Padova; Istituto Nazionale di Fisica Nucleare; Stichting voor Fundamenteel Onderzoek der Materie; Deutsche Forschungsgemeinschaft; Natural Sciences and Engineering Research Council of Canada; Alfred P. Sloan Foundation; Commissariat à l'Énergie Atomique et aux Énergies Alternatives; Ministerio de Economía y Competitividad; National Science Foundation","keywords":"Pi; Physics; Hadron; Electron–positron annihilation; Particle physics; Luminosity; Nuclear physics; Invariant mass; Analytical Chemistry (journal); Chemistry; Geometry; Quantum mechanics; Mathematics","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":[0.0007472546,0.00101432,0.0008595986,0.0006398103,0.001119485,0.001135396,0.001698813,0.0009993732,0.09229126],"category_scores_gemma":[0.002113516,0.0005673146,0.0009800545,0.0009102915,0.0004331246,0.002009389,0.0005967689,0.002514986,0.01979668],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00109449,"about_ca_system_score_gemma":0.0009364135,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00357654,"about_ca_topic_score_gemma":0.003039729,"domain_scores_codex":[0.9992755,0.00006831748,0.00002191469,0.00026829,0.0002389131,0.0001269749],"domain_scores_gemma":[0.9992849,0.000251315,0.00006934515,0.0001439886,0.0002028377,0.0000475573],"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":[0.002467228,0.0007564453,0.004836833,0.003567541,0.000409708,0.004187887,0.002455669,0.009888967,0.5699548,0.1396202,0.1391663,0.1226884],"study_design_scores_gemma":[0.0001220836,0.0006587511,0.003827032,0.0001533151,0.000109831,0.00109493,0.0006935578,0.02565004,0.7314447,0.01313828,0.2230074,0.0001000835],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3267686,0.006159544,0.2628266,0.003594077,0.002405913,0.0005625293,0.02263606,0.008734637,0.366312],"genre_scores_gemma":[0.7070383,0.003504216,0.05273141,0.000954869,0.0001753653,0.000530699,0.0184552,0.004444144,0.2121657],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.09229126,"threshold_uncertainty_score":0.308745,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02084238383422585,"score_gpt":0.2879734015452227,"score_spread":0.2671310177109968,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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