{"id":"W2084605845","doi":"10.1103/physrevd.71.014503","title":"Twisted mass QCD for the pion electromagnetic form factor","year":2005,"lang":"en","type":"article","venue":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology","topic":"Quantum Chromodynamics and Particle Interactions","field":"Physics and Astronomy","cited_by":20,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Regina","funders":"","keywords":"Pion; Quantum chromodynamics; Lattice QCD; Physics; Generalized minimal residual method; Form factor (electronics); Particle physics; Matrix (chemical analysis); Lattice (music); Quantum electrodynamics; Mathematics; Residual; Quantum mechanics; Algorithm; Materials science","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005222221,0.000616918,0.001171067,0.00007481119,0.0006985536,0.000140205,0.0004011521,0.0001410057,0.000008583836],"category_scores_gemma":[0.0003648041,0.0004969914,0.0004942502,0.0005130828,0.0004382716,0.00037535,0.00008645084,0.0006403024,0.00009744215],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005346267,"about_ca_system_score_gemma":0.0001229568,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002136389,"about_ca_topic_score_gemma":0.0001899327,"domain_scores_codex":[0.9960863,0.0004959352,0.0011717,0.0009190467,0.0003558623,0.0009711339],"domain_scores_gemma":[0.9955918,0.002286383,0.000547703,0.0006744413,0.0005005603,0.0003990653],"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":[0.0002647969,0.001820296,0.01524097,0.001509259,0.0005853685,0.000007562627,0.002159558,0.00008060991,0.02212523,0.8138828,0.009869958,0.1324536],"study_design_scores_gemma":[0.001141407,0.0009026435,0.003569529,0.0003960531,0.000806432,0.00002123922,0.0002001013,0.002057998,0.001669865,0.9778211,0.01080819,0.0006054891],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9629414,0.01357839,0.005664319,0.01544565,0.0002462596,0.001914327,0.0001188837,0.00007593761,0.00001480201],"genre_scores_gemma":[0.9856783,0.006870309,0.0006694265,0.004804503,0.0006443843,0.001066089,0.0001676381,0.0000557994,0.00004354381],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1639383,"threshold_uncertainty_score":0.9997482,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01932791579827779,"score_gpt":0.3309818090719466,"score_spread":0.3116538932736688,"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."}}