{"id":"W1872086418","doi":"10.1103/physrevd.65.051501","title":"Top quark threshold production at a<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>γ</mml:mi><mml:mi>γ</mml:mi></mml:math>collider at next-to-next-to-leading order","year":2002,"lang":"en","type":"article","venue":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Top quark; Quantum chromodynamics; Production (economics); Order (exchange); Pair production; Quark","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":[0.0004688075,0.0004860744,0.0004242039,0.0007910516,0.0005816926,0.001239033,0.0006026484,0.0005168839,0.01090738],"category_scores_gemma":[0.000617584,0.0003029783,0.0006844218,0.001206401,0.0002290474,0.0005647463,0.000420719,0.0003264492,0.001845112],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001839701,"about_ca_system_score_gemma":0.0007874396,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006376549,"about_ca_topic_score_gemma":0.009985657,"domain_scores_codex":[0.9997326,0.00005729292,0.00001062102,0.00004486337,0.0000903462,0.00006434383],"domain_scores_gemma":[0.9996412,0.0001484019,0.00007496975,0.00002610175,0.00006276144,0.00004654139],"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":[0.003945903,0.0007244844,0.1937604,0.001708416,0.0006377161,0.01213283,0.001598705,0.09458526,0.177294,0.3285348,0.0593146,0.1257629],"study_design_scores_gemma":[0.000778116,0.001007529,0.1857364,0.000255695,0.0008597349,0.006168829,0.001018643,0.4042498,0.2471568,0.1202686,0.03221607,0.0002838083],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.910086,0.003646756,0.0194385,0.0007234414,0.0001006893,0.00005124763,0.002446844,0.001789128,0.06171736],"genre_scores_gemma":[0.9888094,0.0005729787,0.003341717,0.00008059112,0.00001855447,0.00001728803,0.0007418711,0.00009206042,0.006325691],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01090738,"threshold_uncertainty_score":0.03648883,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02321190311919059,"score_gpt":0.3034209036033412,"score_spread":0.2802090004841506,"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."}}