{"id":"W2093275218","doi":"10.1118/1.4894880","title":"Poster — Thur Eve — 24: Commissioning and preliminary measurements using an Attix‐style free air ionization chamber for air kerma measurements on the BioMedical Imaging and Therapy beamlines at the Canadian Light Source","year":2014,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada; University of Alberta","funders":"","keywords":"Kerma; Ionization chamber; Dosimetry; Optics; Collimated light; Materials science; Beam (structure); Synchrotron; Aperture (computer memory); Nuclear medicine; Physics; Medical physics; Nuclear engineering; Ionization; Ion; Medicine; Laser","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":[0.001359776,0.0004458721,0.0003970995,0.0005661559,0.001107807,0.001252238,0.0008273842,0.0006903089,0.005354099],"category_scores_gemma":[0.001669571,0.0002704652,0.0004352809,0.0003602582,0.0005872983,0.0004421043,0.0007617921,0.0008228999,0.001367941],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001696297,"about_ca_system_score_gemma":0.001409266,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01274634,"about_ca_topic_score_gemma":0.01784037,"domain_scores_codex":[0.9986151,0.00009413624,0.00004974764,0.000173734,0.0008818375,0.0001853014],"domain_scores_gemma":[0.9982737,0.0001564998,0.0001168974,0.0002618458,0.001013724,0.0001773394],"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":[0.00090382,0.0001482191,0.008245629,0.0002054093,0.00005532462,0.0002768036,0.000604224,0.001776076,0.936009,0.0008145726,0.01184408,0.03911691],"study_design_scores_gemma":[0.00002970185,0.0008397232,0.02985332,0.0000182587,0.00002896904,0.0001912878,0.0001877549,0.002209943,0.9380978,0.00006979319,0.02840305,0.00007038635],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"other","genre_scores_codex":[0.9418932,0.001250436,0.02904655,0.0009115847,0.0007026588,0.0006357326,0.003013208,0.001824928,0.02072171],"genre_scores_gemma":[0.9503164,0.0004092195,0.02428513,0.0002697627,0.00006900661,0.0001756424,0.002187845,0.0004060425,0.02188098],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.9872537,"threshold_uncertainty_score":0.02534431,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.037212994756024,"score_gpt":0.2882432917759073,"score_spread":0.2510302970198833,"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."}}