{"id":"W2014064317","doi":"10.1118/1.2874554","title":"Efficiency improvements for ion chamber calculations in high energy photon beams","year":2008,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":228,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada","funders":"","keywords":"Ionization chamber; Photon; Ion; Physics; Atomic physics; Nuclear physics; Energy (signal processing); Optics; Materials science; Ionization","routes":{"ca_aff":true,"ca_fund":false,"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":[0.00005278783,0.000121115,0.0001701986,0.00002643373,0.00009595988,0.000004280944,0.0001012051,0.00005087352,0.0001444992],"category_scores_gemma":[0.000007127665,0.0001102333,0.00007264187,0.0001616944,0.00008504959,0.00008495857,0.00002502961,0.000114884,0.000001559959],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004506935,"about_ca_system_score_gemma":0.00006457145,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004525174,"about_ca_topic_score_gemma":0.000003554821,"domain_scores_codex":[0.9990835,0.00001336322,0.0001968599,0.0002061694,0.0002593735,0.0002407596],"domain_scores_gemma":[0.9996005,0.00005524875,0.0000616111,0.0001656948,0.0000327225,0.00008426973],"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":[0.0001161947,0.004816754,0.05648576,0.00005704904,0.0001928518,0.00002448714,0.001421948,0.0008161607,0.01464903,0.3896636,0.005417671,0.5263385],"study_design_scores_gemma":[0.01016636,0.0007957412,0.009316243,0.0002238205,0.00004700558,0.000005305977,0.00005341267,0.05571236,0.4840716,0.3789828,0.05888005,0.001745321],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1289224,0.00001815014,0.8699518,0.00008468885,0.0001163381,0.0001994502,0.00001737178,0.00004710774,0.0006426343],"genre_scores_gemma":[0.9960585,0.00001158875,0.002585045,0.0002228061,0.0005586877,0.000191127,0.0000933314,0.00002397374,0.0002549228],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.8673668,"threshold_uncertainty_score":0.4495183,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009959364694892246,"score_gpt":0.2725141531573169,"score_spread":0.2625547884624246,"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."}}