{"id":"W4388698405","doi":"10.1103/physrevc.108.055204","title":"Measurement of spin-density matrix elements in <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mrow><mml:mi>ρ</mml:mi><mml:mo>(</mml:mo><mml:mn>770</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math> production with a linearly polarized photon beam 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>8.2</mml:mn><mml:mo>–</mml:mo><mml:mn>8.8</mml:mn><mml:mo> </mml:mo><mml:mi>GeV</mml:mi></mml:mrow></mml:math>","year":2023,"lang":"lv","type":"article","venue":"Physical review. C","topic":"Nuclear physics research studies","field":"Physics and Astronomy","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"Mount Allison University; University of Regina","funders":"Comisión Nacional de Investigación Científica y Tecnológica; Science and Technology Facilities Council; Nuclear Physics; Natural Sciences and Engineering Research Council of Canada; GSI Helmholtzzentrum für Schwerionenforschung; China Scholarship Council; National Natural Science Foundation of China; Deutsche Forschungsgemeinschaft; U.S. Department of Energy; Office of Science; Thomas Jefferson National Accelerator Facility; Russian Foundation for Basic Research; National Science Foundation","keywords":"Physics; Helicity; Meson; Particle physics; Nuclear physics; Parity (physics); Atomic physics","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":[0.0006001159,0.0003596048,0.000270573,0.000815157,0.0008946148,0.0009538303,0.0005982458,0.0007395578,0.01846038],"category_scores_gemma":[0.0009992328,0.0004252657,0.0002061131,0.0007926906,0.0005786066,0.0008200665,0.0007782146,0.0009553382,0.002039347],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000674232,"about_ca_system_score_gemma":0.0003052139,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002564913,"about_ca_topic_score_gemma":0.005393997,"domain_scores_codex":[0.999599,0.00009055781,0.000008960786,0.00009806707,0.0001040683,0.00009934168],"domain_scores_gemma":[0.9995741,0.000138052,0.00009144055,0.00007512303,0.00006635219,0.00005492283],"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":[0.002714763,0.0004187254,0.03111541,0.0003790781,0.0002529765,0.00121371,0.001193621,0.003241036,0.818202,0.08684139,0.02177805,0.03264926],"study_design_scores_gemma":[0.0002411085,0.0004102513,0.05786064,0.00008602834,0.0001020346,0.0004978196,0.0006427342,0.01465293,0.8920964,0.01202735,0.02125382,0.0001290136],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8577124,0.0004920683,0.03302573,0.0009083795,0.0001936098,0.00008347592,0.006645767,0.001132358,0.09980603],"genre_scores_gemma":[0.9835068,0.0001656705,0.005333535,0.0001347445,0.0000136036,0.00004430226,0.001305839,0.0001728674,0.009322588],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01846038,"threshold_uncertainty_score":0.06175607,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02385995322890317,"score_gpt":0.2731070063132125,"score_spread":0.2492470530843093,"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."}}