{"id":"W2987905983","doi":"10.1103/physrevc.100.055202","title":"Measurement of neutral pion photoproduction off the proton with the large acceptance electromagnetic calorimeter BGOegg","year":2019,"lang":"en","type":"article","venue":"Physical review. C","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Saskatchewan","funders":"Japan Society for the Promotion of Science; Ministry of Science and Technology, Taiwan; Ministry of Education, Culture, Sports, Science and Technology","keywords":"Physics; Pion; Nuclear physics; Proton; Multipole expansion; Beam (structure); Particle physics; Partial wave analysis; Photon; Asymmetry; Range (aeronautics); Atomic physics; Photon energy; Energy (signal processing); Polar; Optics; 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002375252,0.000128609,0.0002093898,0.000008608918,0.00008375648,0.00002117919,0.000176923,0.000007445184,0.0001433756],"category_scores_gemma":[0.000005476481,0.00006225899,0.0001403187,0.0001913269,0.0000410995,0.00009855946,0.00002475934,0.0002078062,0.00008052755],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002357394,"about_ca_system_score_gemma":0.0000384569,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005935343,"about_ca_topic_score_gemma":0.00001210901,"domain_scores_codex":[0.9990718,0.00009221349,0.0001689551,0.0002004178,0.0002544779,0.0002121409],"domain_scores_gemma":[0.9992395,0.0000363921,0.000146907,0.0004172575,0.0001306784,0.00002926923],"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":[0.0002740268,0.003268259,0.01300914,0.001407729,0.0006192536,9.135403e-7,0.0009945347,0.0002826424,0.8038327,0.1363257,0.003999525,0.03598564],"study_design_scores_gemma":[0.002983474,0.003716821,0.05151419,0.003605264,0.001455356,0.00001277211,0.0004243485,0.0510845,0.68108,0.022455,0.1802131,0.001455122],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9942834,0.0007629337,0.000267355,0.001443936,0.00008169383,0.001381375,0.00000666436,0.000008929238,0.001763737],"genre_scores_gemma":[0.9992408,0.00008621804,0.000009570235,0.0001046238,0.0002106891,0.0002626895,0.000004545228,0.00001277231,0.00006807034],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1762136,"threshold_uncertainty_score":0.2538848,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009263559981752259,"score_gpt":0.2807775868781279,"score_spread":0.2715140268963756,"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."}}