{"id":"W2609450231","doi":"10.1103/physrevc.95.042201","title":"Measurement of the beam asymmetry <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mi mathvariant=\"normal\">Σ</mml:mi></mml:math> for <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> and <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mi>η</mml:mi></mml:math> photoproduction on the proton at <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>9</mml:mn></mml:mrow></mml:math> GeV","year":2017,"lang":"lv","type":"article","venue":"Physical review. C","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":61,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Regina","funders":"Nuclear Physics; Comisión Nacional de Investigación Científica y Tecnológica; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China; China Scholarship Council; U.S. Department of Energy; Office of Science; Russian Foundation for Basic Research; National Science Foundation","keywords":"Physics; Proton; Asymmetry; Particle physics; Meson; Energy (signal processing); Quasiparticle; Beam energy; Momentum (technical analysis); Atomic physics; Nuclear physics; Beam (structure); Optics; 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":[0.001058617,0.000636462,0.000447585,0.001626469,0.0009040526,0.001448874,0.0009183532,0.001257753,0.02723823],"category_scores_gemma":[0.001281204,0.0004759768,0.0004611931,0.001192166,0.0004227671,0.001188859,0.001280376,0.001313267,0.01117884],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001056924,"about_ca_system_score_gemma":0.0007506906,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002849434,"about_ca_topic_score_gemma":0.004692944,"domain_scores_codex":[0.9989839,0.000145705,0.00002912817,0.0002245746,0.0004182104,0.0001983975],"domain_scores_gemma":[0.998888,0.0001663865,0.0001714594,0.0002664948,0.0003562573,0.0001514062],"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":[0.002221801,0.0003915904,0.02783457,0.0003092847,0.0001791513,0.0004336487,0.0003229664,0.001764449,0.7862481,0.02798872,0.04208481,0.1102209],"study_design_scores_gemma":[0.0001766265,0.0005398395,0.05755699,0.00006856874,0.0001056795,0.0005747512,0.000283908,0.01044148,0.8586541,0.005254761,0.0661945,0.0001487642],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.450015,0.00141399,0.09629497,0.001948398,0.0007204919,0.0004648544,0.02551951,0.005348078,0.4182748],"genre_scores_gemma":[0.9005239,0.0006878296,0.03427383,0.0006063312,0.00009026216,0.0002736603,0.01210072,0.001135398,0.05030802],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02723823,"threshold_uncertainty_score":0.0911209,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02389113160074801,"score_gpt":0.2628486350396994,"score_spread":0.2389575034389514,"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."}}