{"id":"W1971966604","doi":"10.1118/1.1781333","title":"Ionization chamber‐based reference dosimetry of intensity modulated radiation beams","year":2004,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":119,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"National Cancer Institute; Natural Sciences and Engineering Research Council of Canada; Canadian Institutes of Health Research","keywords":"Ionization chamber; Dosimetry; Percentage depth dose curve; Imaging phantom; Monte Carlo method; Absorbed dose; Ionization; Monitor unit; Fluence; Pencil-beam scanning; Physics; Optics; Dose profile; Calibration; Beam (structure); Computational physics; Radiation; Nuclear medicine; Proton therapy; Mathematics; Ion","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":[0.00008597945,0.000108047,0.0001874247,0.00002747203,0.00004349069,0.000005652723,0.0000970129,0.00006718225,0.0001412769],"category_scores_gemma":[0.00002025394,0.000100073,0.00004914698,0.0002755869,0.00009583869,0.0001045403,0.00001894344,0.0001822451,0.000003605906],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005198574,"about_ca_system_score_gemma":0.0001008226,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001216916,"about_ca_topic_score_gemma":3.577236e-7,"domain_scores_codex":[0.9991675,0.00001762134,0.0002007994,0.0001617672,0.0003202326,0.0001320746],"domain_scores_gemma":[0.9994631,0.00002816145,0.0001300827,0.0002002553,0.00009907082,0.00007929587],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002088707,0.002865626,0.1017751,0.0001343812,0.0003259521,0.00001151613,0.0008154098,0.0271027,0.04295464,0.06855581,0.0006760467,0.7545739],"study_design_scores_gemma":[0.001637551,0.000146385,0.006257631,0.0001462162,0.00002555513,6.6568e-7,0.00001136915,0.01421032,0.9254374,0.05138299,0.0004410076,0.0003028965],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1697467,0.0000192017,0.8295418,0.0001215794,0.0000587956,0.0001086478,0.00001009487,0.00007221336,0.0003210149],"genre_scores_gemma":[0.9960487,0.000006725803,0.00337026,0.0001678091,0.000212566,0.000007628895,0.0001599206,0.00001626438,0.00001007761],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.8824828,"threshold_uncertainty_score":0.4080859,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01080797025018287,"score_gpt":0.2715160995158494,"score_spread":0.2607081292656665,"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."}}