{"id":"W2148764306","doi":"10.1038/nphys2025","title":"Confinement of antihydrogen for 1,000 seconds","year":2011,"lang":"en","type":"article","venue":"Nature Physics","topic":"Atomic and Molecular Physics","field":"Physics and Astronomy","cited_by":263,"is_retracted":false,"has_abstract":false,"ca_institutions":"York University; University of British Columbia; TRIUMF; University of Calgary; University of Victoria; Simon Fraser University","funders":"Natural Sciences and Engineering Research Council of Canada; Financiadora de Estudos e Projetos; Israel Science Foundation; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Engineering and Physical Sciences Research Council; Leverhulme Trust; TRIUMF; Fonds Québécois de la Recherche sur la Nature et les Technologies; U.S. Department of Energy; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation","keywords":"Antihydrogen; Physics; Antiparticle; Antimatter; Trapping; CPT symmetry; Atomic physics; Nuclear physics; Symmetry (geometry); Positron; Quantum mechanics; Electron","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":[],"consensus_categories":[],"category_scores_codex":[0.0000451684,0.0001339934,0.0001965979,0.00001305414,0.00004061984,0.000004853612,0.0001560394,0.00006679632,0.0001799627],"category_scores_gemma":[0.000001203487,0.0001242602,0.0001757952,0.00008257011,0.00004019928,0.00005031795,0.0000356597,0.000171432,0.000007030874],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000006106706,"about_ca_system_score_gemma":0.000047832,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002685958,"about_ca_topic_score_gemma":3.130028e-7,"domain_scores_codex":[0.9993866,0.000009339247,0.0001576807,0.0001704729,0.00009788051,0.000177994],"domain_scores_gemma":[0.9994784,0.00001698004,0.0001239361,0.000232119,0.0001056411,0.0000429351],"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":[0.00004704558,0.0004015801,0.004505427,0.00004648079,0.0003528778,4.82926e-7,0.0008160445,0.00001244213,0.017899,0.9275726,0.004029564,0.04431648],"study_design_scores_gemma":[0.00110018,0.00009380812,0.0004981799,0.00001987923,0.0001219596,1.968876e-7,0.0001862221,0.0006991097,0.8550242,0.1250339,0.01692047,0.0003019211],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4514763,0.0002366096,0.384694,0.00003943026,0.0005725013,0.0009971684,0.0007172891,0.000061022,0.1612056],"genre_scores_gemma":[0.9968199,7.744402e-7,0.002364899,0.000120061,0.0003208816,0.00002433065,0.00009322708,0.00002298153,0.0002329532],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8371252,"threshold_uncertainty_score":0.5067183,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0137065421689104,"score_gpt":0.2461132197572851,"score_spread":0.2324066775883747,"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."}}