{"id":"W2061730013","doi":"10.1103/physrevlett.85.5539","title":"Measurement of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Production in the Nuclear Medium by<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>Interactions at<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mn>0.408</mml:mn><mml:mi/><mml:mi>GeV</mml:mi><mml:mi>/</mml:mi><mml:mi mathvariant=\"italic\">c</mml:mi></mml:math>","year":2000,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":71,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Regina","funders":"","keywords":"Pi; Physics; Invariant (physics); Invariant mass; Particle physics; Mathematical physics; Geometry; Mathematics","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":[0.00256409,0.001818995,0.001046538,0.00228943,0.001609297,0.003377574,0.002633442,0.002188366,0.1411047],"category_scores_gemma":[0.007291462,0.001192557,0.001088131,0.002711003,0.0006790775,0.003578823,0.001957657,0.003051619,0.102744],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00214646,"about_ca_system_score_gemma":0.00164026,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005708423,"about_ca_topic_score_gemma":0.006429555,"domain_scores_codex":[0.9960762,0.0004009442,0.0001687992,0.0007972104,0.002170124,0.0003867473],"domain_scores_gemma":[0.9960331,0.0006537232,0.0003349039,0.000971437,0.001764889,0.0002418504],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00140967,0.0007684412,0.0125777,0.001388731,0.000302263,0.0004922878,0.001108781,0.003414416,0.3565304,0.02132894,0.4355888,0.1650896],"study_design_scores_gemma":[0.0001237554,0.0004637612,0.023781,0.0001850987,0.0001139134,0.0002809451,0.000454726,0.009008982,0.5287806,0.004644327,0.4318798,0.0002831213],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.08241182,0.002270922,0.2644873,0.006157152,0.006222474,0.001221053,0.103429,0.05464003,0.4791602],"genre_scores_gemma":[0.4049755,0.003441047,0.09400483,0.00281275,0.0008051656,0.002211206,0.1006737,0.01759264,0.3734832],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.1411047,"threshold_uncertainty_score":0.4720423,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0186173247716393,"score_gpt":0.2527159373999741,"score_spread":0.2340986126283348,"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."}}