{"id":"W2794848534","doi":"10.1103/physrevc.97.052501","title":"Search for dark matter decay of the free neutron from the UCNA experiment: <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mrow><mml:mi>n</mml:mi><mml:mo>→</mml:mo><mml:mi>χ</mml:mi><mml:mo>+</mml:mo><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:mrow></mml:math>","year":2018,"lang":"lv","type":"article","venue":"Physical review. C","topic":"Atomic and Subatomic Physics Research","field":"Physics and Astronomy","cited_by":48,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Winnipeg","funders":"Los Alamos National Laboratory; Laboratory Directed Research and Development; Nuclear Physics; U.S. Department of Energy; National Science Foundation","keywords":"Physics; Branching fraction; Neutron; Nuclear physics; Kinetic energy; Asymmetry; Dark matter; Ultracold neutrons; Particle physics; Quantum mechanics","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":[0.001447041,0.0007624116,0.000578651,0.002135938,0.001733924,0.001458711,0.001411634,0.00106531,0.01054082],"category_scores_gemma":[0.002075546,0.0004562398,0.0007056029,0.001753695,0.0003770879,0.001048385,0.001014251,0.0007181837,0.001826825],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00140989,"about_ca_system_score_gemma":0.001277502,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01218705,"about_ca_topic_score_gemma":0.02413245,"domain_scores_codex":[0.9993395,0.0001281309,0.00003422927,0.0001764687,0.0001802898,0.0001414017],"domain_scores_gemma":[0.9980991,0.0005814909,0.0004633946,0.0003171855,0.0002834285,0.0002552931],"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":[0.005784557,0.0009149507,0.254013,0.001364044,0.00127204,0.003895532,0.0020194,0.01707671,0.2003128,0.2615652,0.05203895,0.1997428],"study_design_scores_gemma":[0.001129118,0.0009422562,0.1392798,0.0004270724,0.0009842332,0.003175776,0.00117862,0.1442489,0.4934665,0.0733664,0.1411485,0.0006529613],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8865632,0.001657948,0.04094479,0.001499179,0.0002172597,0.0001170788,0.008029812,0.002014868,0.0589558],"genre_scores_gemma":[0.9628524,0.0003110328,0.02045419,0.0002544577,0.00003889934,0.0000761763,0.006436083,0.0002952716,0.009281418],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01218705,"threshold_uncertainty_score":0.03526253,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02389731814695352,"score_gpt":0.2825356531228412,"score_spread":0.2586383349758877,"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."}}