{"id":"W3047733559","doi":"10.1103/physrevlett.125.062001","title":"Helicity-Dependent Cross Sections for the Photoproduction of <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> Pairs from Nucleons","year":2020,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Mount Allison University; Saint Mary's University; University of Regina","funders":"Nuclear Physics; Instituto Nazionale di Fisica Nucleare; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Deutsche Forschungsgemeinschaft; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; U.S. Department of Energy; Office of Science; National Science Foundation","keywords":"Crystal Ball; Physics; Helicity; Neutron; Nuclear physics; Bremsstrahlung; Nucleon; Proton; Particle physics; Isospin; Polarization (electrochemistry); Electron","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":[0.000947582,0.0006119218,0.0002070195,0.00105756,0.0002685768,0.0003994847,0.0006062938,0.000464508,0.0119861],"category_scores_gemma":[0.0007334418,0.0004167681,0.0004364559,0.0008589096,0.0004558364,0.0004537264,0.0004013442,0.0006553534,0.0007262442],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009632568,"about_ca_system_score_gemma":0.0003542347,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001376415,"about_ca_topic_score_gemma":0.002369034,"domain_scores_codex":[0.9996512,0.00009906049,0.00001114625,0.0001047462,0.00007891392,0.00005486042],"domain_scores_gemma":[0.9992144,0.0004539335,0.000136895,0.00009029852,0.00005228415,0.00005219084],"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":[0.00337864,0.0005231717,0.05375157,0.00121611,0.0005135921,0.002279253,0.001292294,0.04597164,0.714232,0.1163597,0.006050737,0.05443138],"study_design_scores_gemma":[0.00009983884,0.0003257753,0.05163306,0.000036563,0.000154495,0.0007928335,0.0001996837,0.04530866,0.8825904,0.01257425,0.006167828,0.0001168072],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9518948,0.001024985,0.0206794,0.0002632916,0.00003984803,0.00008737367,0.002429924,0.0002444189,0.02333598],"genre_scores_gemma":[0.9896244,0.0006080503,0.001728419,0.00005924428,0.000007157324,0.00004894699,0.001411951,0.00004915037,0.006462587],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0119861,"threshold_uncertainty_score":0.04009753,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02221995351826739,"score_gpt":0.2747678395266788,"score_spread":0.2525478860084114,"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."}}