{"id":"W2043798226","doi":"10.1118/1.3687164","title":"An improved physics-based approach for unfolding megavoltage bremsstrahlung spectra using transmission analysis","year":2012,"lang":"en","type":"article","venue":"Medical Physics","topic":"Radiation Therapy and Dosimetry","field":"Medicine","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"National Research Council Canada","keywords":"Monte Carlo method; Bremsstrahlung; Physics; Attenuation; Computational physics; Detector; Spectral line; Transmission (telecommunications); Spectral shape analysis; Sensitivity (control systems); Energy (signal processing); Optics; Photon; Computer science; Electronic engineering; Mathematics; Statistics; Telecommunications","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":[0.0005821644,0.0002262959,0.0005147443,0.00009644514,0.000166464,0.0000252831,0.0001396861,0.000191461,0.0001641766],"category_scores_gemma":[0.00004464588,0.000189692,0.0004222622,0.0008682756,0.00008700009,0.0002776537,0.000006274863,0.0002949928,0.000002287616],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009974124,"about_ca_system_score_gemma":0.0001806903,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003512075,"about_ca_topic_score_gemma":2.359657e-7,"domain_scores_codex":[0.998201,0.00005907223,0.0003297432,0.0003161044,0.0006093771,0.0004846866],"domain_scores_gemma":[0.9986281,0.0001274064,0.0001211494,0.0003583047,0.00006570023,0.0006993328],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001419086,0.008713031,0.05011415,0.001115805,0.003280585,0.00001020271,0.002578268,0.009472816,0.5204288,0.001567566,0.0002638667,0.4010358],"study_design_scores_gemma":[0.00238827,0.0001918053,0.001636714,0.00003358442,0.001523093,0.000002489657,0.0000643848,0.8753377,0.1180084,0.0001957385,0.0003558826,0.0002619763],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.08634204,0.0002444069,0.9124754,0.00009121878,0.00008991561,0.0004080978,0.00001328691,0.00009867644,0.0002369543],"genre_scores_gemma":[0.9718918,0.00000702136,0.02486809,0.0008116795,0.00202043,0.00001942705,0.000308997,0.00004415921,0.00002836881],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.8876073,"threshold_uncertainty_score":0.7735416,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03255253764754396,"score_gpt":0.3279172122395336,"score_spread":0.2953646745919897,"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."}}