{"id":"W4392098865","doi":"10.1103/physrevd.109.l031103","title":"Probing light dark matter with positron beams at NA64","year":2024,"lang":"en","type":"article","venue":"Physical review. D/Physical review. D.","topic":"Dark Matter and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"European Research Council; Agencia Estatal de Investigación; Agencia Nacional de Investigación y Desarrollo; ETH Zürich Foundation; Rheinische Friedrich-Wilhelms-Universität Bonn; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Eidgenössische Technische Hochschule Zürich; Institut Català de Nanociència i Nanotecnologia; European Commission; Ministerio de Ciencia e Innovación; CERN","keywords":"Physics; Positron; Dark matter; Nuclear physics; Astrophysics; Electron","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":[0.001679402,0.0006205077,0.000872395,0.001398068,0.001390326,0.00233189,0.001094711,0.001140735,0.005986292],"category_scores_gemma":[0.001272071,0.0005662596,0.000692617,0.001114819,0.0008224843,0.001241543,0.002588031,0.001265201,0.0014886],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001385746,"about_ca_system_score_gemma":0.0008152339,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003207803,"about_ca_topic_score_gemma":0.004804401,"domain_scores_codex":[0.9993351,0.0001402881,0.00002016252,0.0001050178,0.0001873019,0.0002121678],"domain_scores_gemma":[0.9992816,0.0001907468,0.0001214265,0.00009497456,0.0001478831,0.0001634817],"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":[0.007454244,0.001442419,0.1150735,0.0005384717,0.0007342495,0.007512293,0.002534223,0.009939091,0.7762929,0.03663903,0.007074106,0.03476556],"study_design_scores_gemma":[0.001380083,0.004259169,0.1009871,0.00027082,0.0005182444,0.00329041,0.002303411,0.05546769,0.7384815,0.02325859,0.06920315,0.0005797722],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9546769,0.0007625452,0.005765432,0.0009315541,0.0001092011,0.0000932735,0.001221611,0.0003500021,0.03608944],"genre_scores_gemma":[0.9814448,0.00025268,0.007332082,0.000240619,0.00002270813,0.00008230982,0.000900796,0.0001186781,0.009605353],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005986292,"threshold_uncertainty_score":0.02002621,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007237779304960694,"score_gpt":0.339507323591813,"score_spread":0.3322695442868523,"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."}}