{"id":"W2031657560","doi":"10.1118/1.2936335","title":"Influence of focal spot on characteristics of very small diameter radiosurgical beams","year":2008,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":47,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; McGill University Health Centre","funders":"Canadian Institutes of Health Research; Terry Fox Foundation","keywords":"Optics; Physics; Linear particle accelerator; Focal length; Monte Carlo method; SIGNAL (programming language); Beam (structure); Detector; Lens (geology)","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007252652,0.0003627695,0.0003039316,0.0003664896,0.0002096585,0.0007014404,0.0003841743,0.0003872869,0.0009057689],"category_scores_gemma":[0.004633908,0.0003645169,0.0002664939,0.0003011697,0.0003178171,0.0004353333,0.0003812398,0.0001945694,0.0001330561],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007943208,"about_ca_system_score_gemma":0.0003478247,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00145065,"about_ca_topic_score_gemma":0.0009856339,"domain_scores_codex":[0.9996487,0.00008180201,0.00002554792,0.00007176382,0.0001344047,0.00003777323],"domain_scores_gemma":[0.9967324,0.002583632,0.0002383318,0.0001627601,0.0002175243,0.00006531295],"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":[0.001389161,0.00006330109,0.03884675,0.0005897534,0.000175975,0.00113631,0.0005851506,0.3197365,0.5917076,0.002923856,0.0005247325,0.042321],"study_design_scores_gemma":[0.00007845896,0.0008090727,0.07404804,0.00004979437,0.0001996,0.001716982,0.0001792911,0.3137607,0.6051628,0.001014565,0.002848745,0.0001319331],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9318923,0.001437919,0.06341369,0.00008011133,0.00001732569,0.00004505652,0.0001819624,0.0005355044,0.00239622],"genre_scores_gemma":[0.9958904,0.0001506627,0.00364448,0.00001711242,0.000001710324,0.00001364426,0.00005587397,0.00007196397,0.0001542746],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00145065,"threshold_uncertainty_score":0.005763233,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0116639311816709,"score_gpt":0.2505296814412714,"score_spread":0.2388657502596005,"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."}}