{"id":"W2126062997","doi":"10.1002/mrm.23270","title":"High tip angle approximation based on a modified Bloch–Riccati equation","year":2011,"lang":"en","type":"article","venue":"Magnetic Resonance in Medicine","topic":"Superconducting Materials and Applications","field":"Engineering","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Institute for Biodiagnostics","funders":"","keywords":"Flip angle; Riccati equation; Bloch equations; Magnetization; Fourier transform; Mathematical analysis; Pulse (music); Phase angle (astronomy); Mathematics; Fourier analysis; Position (finance); Physics; Scaling; Differential equation; Nuclear magnetic resonance; Quantum mechanics; Optics; Magnetic field; Geometry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008259219,0.0005518863,0.0006346769,0.0005570045,0.0003756425,0.0007802901,0.001361822,0.00117032,0.004544554],"category_scores_gemma":[0.002510218,0.0003053262,0.000579073,0.000667912,0.001160359,0.001459767,0.0005986901,0.002272503,0.001957665],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001009115,"about_ca_system_score_gemma":0.0007021537,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00294376,"about_ca_topic_score_gemma":0.002258326,"domain_scores_codex":[0.9995956,0.00009377809,0.00001476849,0.00005267,0.0002064731,0.00003665975],"domain_scores_gemma":[0.9993992,0.0003210725,0.00004409056,0.00009595602,0.0001182401,0.00002150102],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00005567799,0.00003919906,0.0003070633,0.000129309,0.00002191246,0.000307873,0.0002319392,0.1545269,0.02772288,0.7889853,0.004977087,0.02269492],"study_design_scores_gemma":[0.000006842452,0.00001314026,0.0001176104,0.000009645511,0.000004820257,0.00008438884,0.000008731022,0.9430378,0.001836009,0.05090852,0.003955633,0.00001683841],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.006824548,0.0007227888,0.9704373,0.0005943305,0.0002239689,0.00004598404,0.00008060996,0.0002462328,0.02082415],"genre_scores_gemma":[0.4346015,0.003002049,0.5082415,0.001015147,0.0003955409,0.0002869066,0.0002910492,0.0005290727,0.05163734],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.004544554,"threshold_uncertainty_score":0.01520306,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05234055550675734,"score_gpt":0.2352395466065194,"score_spread":0.1828989910997621,"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."}}