{"id":"W2155081870","doi":"10.1103/physrevd.81.092003","title":"Observation of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msub><mml:mi>χ</mml:mi><mml:mrow><mml:mi>c</mml:mi><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>2</mml:mn><mml:mi>P</mml:mi><mml:mo stretchy=\"false\">)</mml:mo></mml:math>meson in the reaction<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>γ</mml:mi><mml:mi>γ</mml:mi><mml:mo>→</mml:mo><mml:mi>D</mml:mi><mml:mover accent=\"true\"><mml:mi>D</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>at<i>BABAR</i>","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":105,"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; Luminosity; Particle physics; Parity (physics); Nuclear physics; Analytical Chemistry (journal); Chemistry; Astrophysics","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":[0.001041632,0.0008758469,0.0007572056,0.001237871,0.002267658,0.002513874,0.001434083,0.00272992,0.09041008],"category_scores_gemma":[0.001313825,0.0009720873,0.001123331,0.001577222,0.00118268,0.002389379,0.002113002,0.005934934,0.01423633],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002241567,"about_ca_system_score_gemma":0.001065262,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00511306,"about_ca_topic_score_gemma":0.007257183,"domain_scores_codex":[0.9990578,0.00007484951,0.0000186552,0.00031847,0.0002716202,0.000258467],"domain_scores_gemma":[0.9989339,0.0002910271,0.0002027726,0.0002249417,0.0001439495,0.0002034554],"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":[0.005036159,0.0005317216,0.02003519,0.002118081,0.0004192527,0.01248547,0.005615852,0.001565118,0.5711173,0.1078424,0.230756,0.04247737],"study_design_scores_gemma":[0.0008481596,0.0009341575,0.08232152,0.0003991309,0.0003632212,0.006725726,0.002746774,0.006913468,0.5930267,0.0140016,0.2912633,0.0004562219],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3049752,0.001488274,0.04886154,0.01208868,0.002987176,0.0003060543,0.01729589,0.005100616,0.6068966],"genre_scores_gemma":[0.8195051,0.0007122781,0.009513162,0.002066747,0.0002112974,0.0002108811,0.006034922,0.002547084,0.1591986],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.09041008,"threshold_uncertainty_score":0.3024518,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01771540636199266,"score_gpt":0.2737473958584321,"score_spread":0.2560319894964394,"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."}}