{"id":"W3206685233","doi":"10.1038/s41467-021-26086-1","title":"Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production","year":2021,"lang":"en","type":"article","venue":"Nature Communications","topic":"Muon and positron interactions and applications","field":"Engineering","cited_by":40,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia; Simon Fraser University; University of Calgary; York University; TRIUMF","funders":"Engineering and Physical Sciences Research Council; Natural Sciences and Engineering Research Council of Canada; U.S. Department of Energy; Carlsbergfondet; National Science Foundation; TRIUMF; Israel Science Foundation; Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Research Councils UK; Science and Technology Facilities Council; Fonds Québécois de la Recherche sur la Nature et les Technologies","keywords":"Antihydrogen; Nuclear physics; Physics; Production (economics); Positron; Antimatter; 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":[0.00006245634,0.00008621027,0.0001168593,0.00008008806,0.000194918,0.00002537157,0.0003034481,0.00009488249,0.00001999267],"category_scores_gemma":[0.00006024672,0.00009094745,0.00009240851,0.0003558822,0.00002340105,0.00005167565,0.00005190939,0.0002949774,0.00001206799],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003285862,"about_ca_system_score_gemma":0.00003255215,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000002939082,"about_ca_topic_score_gemma":0.0001077549,"domain_scores_codex":[0.9994837,0.00002261881,0.000195422,0.0001211505,0.00006154415,0.0001155309],"domain_scores_gemma":[0.9985977,0.00008794367,0.00002694652,0.0009807026,0.0002545861,0.00005210271],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000007849262,0.0002249485,0.0003041507,0.00006424294,0.000162381,2.444239e-7,0.0005459898,0.006868473,0.9029501,0.05910679,0.02786567,0.001899129],"study_design_scores_gemma":[0.0001616934,0.00002639135,0.0008999291,0.00008624464,0.00009714051,0.00003426845,0.0002452947,0.00559589,0.4646491,0.0003207216,0.5276473,0.0002360449],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8801153,0.05250981,0.02473138,0.02054698,0.002652861,0.002788388,0.0007935269,0.000964486,0.01489726],"genre_scores_gemma":[0.9833224,0.0004747212,0.01532989,0.0001181524,0.00006275943,0.0002028277,0.0001605968,0.00002038004,0.0003082265],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4997816,"threshold_uncertainty_score":0.3708729,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01249246059484183,"score_gpt":0.292576041226108,"score_spread":0.2800835806312662,"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."}}