{"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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","sts","scholarly_communication","open_science","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","sts","research_integrity","insufficient_payload"],"category_scores_codex":[0.005383429,0.003792541,0.001689995,0.001541429,0.006746737,0.004398888,0.006381587,0.005080064,0.06844412],"category_scores_gemma":[0.001887261,0.006356851,0.007078131,0.003978586,0.004978372,0.004853867,0.005172193,0.006805701,0.01026307],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002024974,"about_ca_system_score_gemma":0.003832284,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006303576,"about_ca_topic_score_gemma":0.002561122,"domain_scores_codex":[0.9710972,0.001603555,0.006173267,0.006248894,0.007126452,0.0077506],"domain_scores_gemma":[0.9762509,0.004389677,0.007407784,0.007875793,0.0008786619,0.003197223],"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":[0.004687836,0.002259574,0.00005484623,0.00235321,0.006134649,0.002006116,0.005053684,0.007251179,0.02251815,0.7127922,0.2306751,0.004213532],"study_design_scores_gemma":[0.005502697,0.003930437,0.0001118805,0.002969383,0.004795604,0.002236177,0.003942254,0.1623925,0.7812582,0.002356182,0.02517966,0.005324992],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8896031,0.001710941,0.003088556,0.003251824,0.008159543,0.0004919387,0.003100083,0.0009165786,0.08967744],"genre_scores_gemma":[0.9663232,0.001803887,0.003068343,0.004755456,0.008886449,0.005399647,0.006046789,0.002999142,0.0007171198],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7587401,"threshold_uncertainty_score":0.9989944,"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."}}