{"id":"W2908098933","doi":"10.1063/1.5083776","title":"Beam current stability improvements of negative carbon ions extraction from a multi-cusp ion source","year":2018,"lang":"en","type":"article","venue":"AIP conference proceedings","topic":"Particle accelerators and beam dynamics","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; TRIUMF","keywords":"Ion source; Materials science; Beam (structure); Ion beam; Ion beam deposition; Ion gun; Ion; Atomic physics; Perveance; Current (fluid); Aperture (computer memory); Cathode ray; Electrode; Electron; Optics; Chemistry; Physics; Nuclear physics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003490407,0.0003325637,0.000313467,0.00028972,0.0002516343,0.0004538175,0.0005172527,0.0003796853,0.001034094],"category_scores_gemma":[0.0008556071,0.0002103693,0.0002950938,0.0002624419,0.0002003918,0.0005657932,0.0004814808,0.0003504421,0.000304075],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000443494,"about_ca_system_score_gemma":0.0002100461,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007716957,"about_ca_topic_score_gemma":0.001019632,"domain_scores_codex":[0.9998358,0.000007383805,0.00001207348,0.00003447463,0.00008279211,0.00002734413],"domain_scores_gemma":[0.9996425,0.00008092146,0.00006886604,0.00004980623,0.0001301666,0.00002773223],"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":[0.0002042272,0.00002384552,0.001102573,0.0001481617,0.00001794052,0.0001295627,0.00008996305,0.002396384,0.9863545,0.0001802728,0.0001986203,0.00915393],"study_design_scores_gemma":[0.00002277671,0.0002651199,0.004513844,0.0000111732,0.00002159938,0.0001605235,0.00004131486,0.01447092,0.9779253,0.00009516725,0.002452819,0.0000195964],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9818044,0.0009519753,0.01349124,0.0001356411,0.00004716484,0.0000352924,0.0001319622,0.0005096725,0.002892687],"genre_scores_gemma":[0.9896728,0.0003051303,0.008693266,0.00002902302,0.000009875394,0.00001618517,0.0001518328,0.00009666417,0.001025265],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001034094,"threshold_uncertainty_score":0,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03368212606399747,"score_gpt":0.270547740252192,"score_spread":0.2368656141881946,"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."}}