{"id":"W1971987754","doi":"10.1088/0031-9155/50/13/n01","title":"Pre-irradiation effects on ionization chambers used in radiation therapy","year":2005,"lang":"en","type":"article","venue":"Physics in Medicine and Biology","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":25,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Manitoba; National Research Council Canada","funders":"National Physical Laboratory","keywords":"Ionization chamber; Irradiation; Ionization; Ion; Electrode; Settling; Materials science; Insulator (electricity); Radiation; Dosimetry; Electromagnetic shielding; Ionizing radiation; Environmental science; Atomic physics; Nuclear engineering; Analytical Chemistry (journal); Physics; Chemistry; Nuclear medicine; Optics; Nuclear physics; Optoelectronics; Composite material; Medicine; Environmental chemistry; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.003404908,0.0008753935,0.001100831,0.0009100144,0.001026712,0.001599004,0.001117234,0.001163234,0.00312286],"category_scores_gemma":[0.0137131,0.000734457,0.001045757,0.001229145,0.0008021242,0.001051312,0.001066726,0.001257822,0.001340475],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009635477,"about_ca_system_score_gemma":0.0007351479,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001101605,"about_ca_topic_score_gemma":0.001855705,"domain_scores_codex":[0.9949867,0.001066038,0.0005636799,0.0007144199,0.002288329,0.000380839],"domain_scores_gemma":[0.9824325,0.01060043,0.002040044,0.002054456,0.002547289,0.0003253137],"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":[0.00141345,0.00008874837,0.01054117,0.0007301851,0.00009886727,0.0002496603,0.000639637,0.001341813,0.960531,0.0001955147,0.0005240393,0.02364604],"study_design_scores_gemma":[0.00002090173,0.001853204,0.0521569,0.00005477331,0.0001202594,0.0005807811,0.000190014,0.001089616,0.9362058,0.0001249667,0.007552772,0.00004999529],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9012703,0.02384812,0.06248098,0.0004579732,0.0007259421,0.001038022,0.001478603,0.001451422,0.007248606],"genre_scores_gemma":[0.9544584,0.003799649,0.03318102,0.0004850648,0.0001253033,0.0004143578,0.001736909,0.001080223,0.004719156],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003404908,"threshold_uncertainty_score":0.01800704,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04551752351871385,"score_gpt":0.3691446995084454,"score_spread":0.3236271759897315,"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."}}