{"id":"W4402796995","doi":"10.1103/physrevresearch.6.l032065","title":"Adiabatic expansion cooling of antihydrogen","year":2024,"lang":"en","type":"article","venue":"Physical Review Research","topic":"Cold Atom Physics and Bose-Einstein Condensates","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University; University of Victoria; Simon Fraser University; University of Calgary; University of British Columbia","funders":"Engineering and Physical Sciences Research Council; Natural Sciences and Engineering Research Council of Canada; Leverhulme Trust; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; Japan Society for the Promotion of Science; Israel Science Foundation; Conselho Nacional de Desenvolvimento Científico e Tecnológico; U.S. Department of Energy; Carlsbergfondet; National Science Foundation; Royal Society; TRIUMF; Science and Technology Facilities Council; Fonds Québécois de la Recherche sur la Nature et les Technologies; Vetenskapsrådet","keywords":"Antihydrogen; Physics; Adiabatic process; Atomic physics; Mathematics; Quantum mechanics; Antimatter; Lepton; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001702924,0.0001691652,0.0001764765,0.00007549359,0.0003612038,0.0002664949,0.0005362097,0.0002396859,0.00416236],"category_scores_gemma":[0.0003412186,0.00013715,0.00009141595,0.00009352312,0.0006242162,0.000426951,0.0007996773,0.0005760797,0.000305878],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003496164,"about_ca_system_score_gemma":0.0002443071,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007484273,"about_ca_topic_score_gemma":0.0008502635,"domain_scores_codex":[0.9998685,0.00001705847,0.000002300049,0.00002831423,0.00004011653,0.00004365037],"domain_scores_gemma":[0.999859,0.00007146895,0.00002125793,0.00002214043,0.00001284235,0.00001331719],"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":[0.0006635303,0.00006903082,0.001128756,0.0001458904,0.00001955082,0.0002376589,0.0003814948,0.003058087,0.9653736,0.01784497,0.001703696,0.009373655],"study_design_scores_gemma":[0.0001295478,0.0005462248,0.002535734,0.00001808901,0.00001388898,0.0001711608,0.0001256522,0.03035092,0.9533916,0.002210727,0.0104766,0.00002991474],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.984165,0.0003214859,0.005569456,0.0001919607,0.00005989333,0.00002086976,0.00009882409,0.0001445738,0.00942783],"genre_scores_gemma":[0.9959765,0.0001215873,0.001235057,0.00005950423,0.00001270079,0.00002146709,0.00005727293,0.00003858221,0.002477306],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00416236,"threshold_uncertainty_score":0.01392454,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0701782524476034,"score_gpt":0.4445284795959416,"score_spread":0.3743502271483382,"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."}}