{"id":"W2014375000","doi":"10.1016/j.physletb.2007.10.032","title":"Backward-angle photoproduction of <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" altimg=\"si1.gif\" overflow=\"scroll\"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> mesons on the proton at <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" altimg=\"si2.gif\" overflow=\"scroll\"><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>1.5</mml:mn><mml:mtext>–</mml:mtext><mml:mn>2.4</mml:mn><mml:mtext> GeV</mml:mtext></mml:math>","year":2007,"lang":"lv","type":"article","venue":"Physics Letters B","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":22,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan","funders":"Ministry of Science and Technology, Taiwan; Thomas Jefferson National Accelerator Facility; National Science Council; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation","keywords":"Physics; Scattering; Nuclear physics; Atomic physics; Geometry; Optics; 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":[0.0005709431,0.0006302855,0.0004222164,0.0007484501,0.001157549,0.001509763,0.000901726,0.0009953248,0.1145911],"category_scores_gemma":[0.0007337256,0.0005831568,0.0007151217,0.0007280667,0.0004369329,0.001382604,0.0009396999,0.001267572,0.01790907],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009450669,"about_ca_system_score_gemma":0.0006466084,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00195922,"about_ca_topic_score_gemma":0.002611005,"domain_scores_codex":[0.9997277,0.00004480012,0.000006627723,0.00005860578,0.00008360096,0.00007873486],"domain_scores_gemma":[0.9995772,0.0001339041,0.00003952263,0.00007607674,0.00007705291,0.00009619386],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.003028841,0.0006505739,0.0108075,0.0007329057,0.0001371478,0.003409368,0.001487352,0.007036783,0.3353318,0.4202363,0.1261362,0.09100515],"study_design_scores_gemma":[0.0005691629,0.0005670803,0.02626513,0.0001546712,0.0001211655,0.002003698,0.001145002,0.05536368,0.681835,0.1059034,0.125716,0.0003560301],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2933822,0.0007947611,0.1055413,0.004047692,0.001583687,0.0002223521,0.009668599,0.004371949,0.5803875],"genre_scores_gemma":[0.7847854,0.0004988544,0.01632563,0.0005752864,0.0001119628,0.00007859784,0.004276562,0.00138719,0.1919605],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.1145911,"threshold_uncertainty_score":0.3833454,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01828028468364822,"score_gpt":0.2447032036330125,"score_spread":0.2264229189493643,"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."}}