{"id":"W4412531609","doi":"10.1103/2tdc-5by6","title":"Measurement of spin-density matrix elements in <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"> <mml:mrow> <mml:mi>ϕ</mml:mi> <mml:mrow> <mml:mo>(</mml:mo> <mml:mn>1020</mml:mn> <mml:mo>)</mml:mo> </mml:mrow> <mml:mo>→</mml:mo> <mml:msubsup> <mml:mi>K</mml:mi> <mml:mi>S</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> <mml:msubsup> <mml:mi>K</mml:mi> <mml:mi>L</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> </mml:mrow> </mml:math> photoproduction 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":2025,"lang":"lv","type":"article","venue":"Physical review. C","topic":"X-ray Spectroscopy and Fluorescence Analysis","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institute of Particle Physics; Mount Allison University; Toronto Metropolitan University","funders":"Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Russian Foundation for Basic Research; National Natural Science Foundation of China; National Energy Research Scientific Computing Center; Deutsche Forschungsgemeinschaft; U.S. Department of Energy; National Science Foundation","keywords":"Prefix; Matrix (chemical analysis); Computer science; Materials science; Philosophy; Linguistics","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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_narrow","metaepi_broad","sts","scholarly_communication","open_science","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","sts","open_science","research_integrity","insufficient_payload"],"category_scores_codex":[0.01397431,0.007819093,0.003708857,0.004998856,0.01093939,0.009237528,0.01538538,0.01312365,0.3379453],"category_scores_gemma":[0.008555617,0.01484098,0.01510298,0.01148855,0.01120032,0.009659288,0.01298472,0.01382273,0.01266211],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003759481,"about_ca_system_score_gemma":0.01167116,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01497911,"about_ca_topic_score_gemma":0.0096809,"domain_scores_codex":[0.9363906,0.004563608,0.01350424,0.01319067,0.0166427,0.01570812],"domain_scores_gemma":[0.9539521,0.00688787,0.01536341,0.01314299,0.00233282,0.008320834],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.01062101,0.003930872,0.0001476755,0.007753803,0.01376336,0.005241985,0.005223385,0.004237455,0.0192074,0.4343275,0.4890495,0.006496092],"study_design_scores_gemma":[0.0118896,0.008390406,0.0002254234,0.01055875,0.01606426,0.005383702,0.007309298,0.02024306,0.8787974,0.003644613,0.02521935,0.01227419],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6564592,0.01222721,0.003984955,0.00360595,0.01331318,0.0008268452,0.00557419,0.002463449,0.3015451],"genre_scores_gemma":[0.9284793,0.01306899,0.006941506,0.006356284,0.01236365,0.01218363,0.01296047,0.006502495,0.001143654],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8595899,"threshold_uncertainty_score":0.9997957,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01598003519056828,"score_gpt":0.2576484985504232,"score_spread":0.2416684633598549,"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."}}