{"id":"W2143409986","doi":"10.1103/physrevlett.95.142001","title":"Observation of a Broad Structure in the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><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:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math>Mass Spectrum around<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mn>4.26</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi><mml:mo>/</mml:mo><mml:msup><mml:mi>c</mml:mi><mml:mn>2</mml:mn></mml:msup></mml:math>","year":2005,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":747,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria; Université de Montréal; McGill University; University of British Columbia","funders":"Institut National de Physique Nucléaire et de Physique des Particules; Institute of High Energy Physics; Natural Sciences and Engineering Research Council of Canada; Centre National de la Recherche Scientifique; Bundesministerium für Bildung und Forschung; SLAC National Accelerator Laboratory; Alexander von Humboldt-Stiftung; Alfred P. Sloan Foundation; Deutsche Forschungsgemeinschaft; U.S. Department of Energy; National Science Foundation","keywords":"Physics; Resonance (particle physics); Particle physics; Spectral line; Invariant mass; Crystallography; Quantum mechanics","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":[0.0002788975,0.0005713516,0.0004118047,0.001924815,0.001218352,0.001212771,0.000791751,0.001668639,0.03135564],"category_scores_gemma":[0.000552291,0.0004579771,0.0005264904,0.001601493,0.0006309545,0.0009209939,0.001024846,0.002957951,0.007030069],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001119569,"about_ca_system_score_gemma":0.000447853,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003222216,"about_ca_topic_score_gemma":0.006142259,"domain_scores_codex":[0.9997106,0.0000116163,0.000004991335,0.0000840674,0.0001055086,0.00008323678],"domain_scores_gemma":[0.9995435,0.00008659629,0.0001081394,0.00004993598,0.00008816632,0.000123609],"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":[0.001814174,0.0008606532,0.04558722,0.001077761,0.0004293606,0.01133288,0.001570985,0.002933409,0.5222858,0.02351142,0.2951043,0.09349211],"study_design_scores_gemma":[0.0002149766,0.0005274583,0.688511,0.0003213738,0.0001662835,0.003704015,0.0006101221,0.01637806,0.1136314,0.01001116,0.1657566,0.0001675458],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4732053,0.004051492,0.03219775,0.01718158,0.001537146,0.0001584642,0.01739833,0.01296815,0.4413017],"genre_scores_gemma":[0.9353178,0.000621269,0.006827208,0.00306964,0.0002423437,0.0001054,0.008683009,0.001176077,0.04395725],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03135564,"threshold_uncertainty_score":0.1048951,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01751923461169462,"score_gpt":0.2547013986070354,"score_spread":0.2371821639953408,"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."}}