{"id":"W2521429676","doi":"10.1103/physrevlett.117.132502","title":"Insight into the Narrow Structure in<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>η</mml:mi></mml:math>Photoproduction on the Neutron from Helicity-Dependent Cross Sections","year":2016,"lang":"en","type":"article","venue":"Physical Review Letters","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":31,"is_retracted":false,"has_abstract":true,"ca_institutions":"Mount Allison University; Saint Mary's University; University of Regina","funders":"Nuclear Physics; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Office of Science; Instituto Nazionale di Fisica Nucleare; Università degli Studi di Pavia; Deutsche Forschungsgemeinschaft; Seventh Framework Programme; U.S. Department of Energy; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; National Science Foundation","keywords":"Physics; Nucleon; Helicity; Neutron; Crystal Ball; Recoil; Polarization (electrochemistry); Nuclear physics; Legendre polynomials; Amplitude; Particle physics; Deuterium; Photon; Observable; 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":[0.0002106463,0.0003295775,0.0001470525,0.0008388563,0.0003975461,0.0006077066,0.0003337258,0.000360645,0.009712484],"category_scores_gemma":[0.0004208363,0.0002568166,0.0001448352,0.0005272017,0.0005321253,0.0008163723,0.0005487737,0.0006736096,0.001292623],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00030048,"about_ca_system_score_gemma":0.0003042029,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006451418,"about_ca_topic_score_gemma":0.001222566,"domain_scores_codex":[0.9999012,0.000006707421,0.000003635286,0.00004293615,0.00002007518,0.00002560182],"domain_scores_gemma":[0.9996723,0.0001197757,0.00005971968,0.00006139783,0.00005415586,0.00003267921],"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":[0.0002809003,0.00007917371,0.008075505,0.0001089535,0.00001129905,0.0008515208,0.0003685956,0.002264798,0.916094,0.04666213,0.0008182048,0.02438494],"study_design_scores_gemma":[0.00002372397,0.0002989069,0.1087374,0.00005504856,0.00003144081,0.002681068,0.0007586404,0.02811091,0.7781447,0.06043687,0.02065762,0.00006372733],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8598465,0.0008391702,0.08038031,0.0005802604,0.00003134346,0.00002791526,0.00155526,0.0004392049,0.05629997],"genre_scores_gemma":[0.9839803,0.0002809171,0.009740196,0.00009461075,0.000007429685,0.00002090879,0.0004462829,0.00008007167,0.005349313],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009712484,"threshold_uncertainty_score":0.03249151,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01318326664956487,"score_gpt":0.2657293311263012,"score_spread":0.2525460644767363,"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."}}