{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001016933,0.0001633879,0.0004368929,0.00002718991,0.00003509563,0.0000021571,0.0002551038,0.00007577143,0.0001220894],"category_scores_gemma":[0.00003715343,0.0001388778,0.0001478906,0.0001366763,0.0004683837,0.00006138369,0.0000437587,0.0002939444,0.00000374453],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001840282,"about_ca_system_score_gemma":0.00008495524,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002726912,"about_ca_topic_score_gemma":6.569475e-8,"domain_scores_codex":[0.9987478,0.00003701064,0.0003776292,0.000193599,0.0004361998,0.0002077861],"domain_scores_gemma":[0.9990701,0.0002386823,0.000189119,0.0003005895,0.00006913707,0.0001323824],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0005484984,0.004603512,0.4846871,0.000213838,0.0005088769,0.000107133,0.001338775,0.0006740392,0.01582168,0.03659527,0.001034954,0.4538664],"study_design_scores_gemma":[0.004095155,0.002102946,0.2235939,0.0008905443,0.0001059039,0.00002172429,0.00002125646,0.001555774,0.7350126,0.0213087,0.009907803,0.001383662],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8375558,0.00001376026,0.1616874,0.00003522055,0.00004480241,0.00009911983,0.00003145211,0.00002859566,0.0005038541],"genre_scores_gemma":[0.9970745,0.00003577698,0.002276602,0.0001321382,0.0003914293,0.00001238128,0.00001894659,0.00002386723,0.0000342976],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7191909,"threshold_uncertainty_score":0.5663271,"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."}}