{"id":"W2161417797","doi":"10.1103/physrevlett.98.181802","title":"Evidence for Production of Single Top Quarks and First Direct Measurement of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mo stretchy=\"false\">|</mml:mo><mml:msub><mml:mi>V</mml:mi><mml:mrow><mml:mi>t</mml:mi><mml:mi>b</mml:mi></mml:mrow></mml:msub><mml:mo stretchy=\"false\">|</mml:mo></mml:math>","year":2007,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":119,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Institut National de Physique Nucléaire et de Physique des Particules; Science and Technology Facilities Council; Consejo Nacional de Investigaciones Científicas y Técnicas; Natural Sciences and Engineering Research Council of Canada; Fundação para o Desenvolvimento da UNESP; Centre National de la Recherche Scientifique; U.S. Department of Energy; Vetenskapsrådet; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Bundesministerium für Bildung und Forschung; Fundação de Amparo à Pesquisa do Estado de São Paulo; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Russian Foundation for Basic Research; Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS); Federal Agency for Science and Innovation; Deutsche Forschungsgemeinschaft; Korea Science and Engineering Foundation; Western Canada Research Grid; Alexander von Humboldt-Stiftung; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; Department of Science and Technology, Ministry of Science and Technology, India; Fermilab; National Science Foundation; Science Foundation Ireland; Secretaría de Ciencia y Técnica, Universidad de Buenos Aires","keywords":"Tevatron; Physics; Fermilab; Particle physics; Production (economics); Quark; Standard Model (mathematical formulation); Measure (data warehouse); Collider; Large Hadron Collider; Nuclear physics; Computer science; Database","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002134367,0.0009641229,0.0006521693,0.0002115785,0.001294175,0.0006089699,0.0013905,0.0006007496,0.006981908],"category_scores_gemma":[0.001226139,0.001565237,0.002142297,0.001011383,0.002208629,0.001174465,0.001359072,0.00112585,0.0005492736],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003436314,"about_ca_system_score_gemma":0.0004690352,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001222716,"about_ca_topic_score_gemma":0.0002554558,"domain_scores_codex":[0.9911749,0.0004132017,0.002021552,0.001871986,0.002382987,0.002135382],"domain_scores_gemma":[0.9935682,0.001666449,0.002026223,0.001576056,0.0002617218,0.0009013598],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001734256,0.001358615,0.00008504664,0.00504546,0.002700957,0.0001448296,0.002688997,0.0009120994,0.03904875,0.8720405,0.06273468,0.01150588],"study_design_scores_gemma":[0.001288399,0.001907213,0.00007479958,0.005629991,0.00228941,0.00009097047,0.001297977,0.006073443,0.974362,0.003540866,0.001965395,0.001479523],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9722103,0.007792771,0.00106544,0.002502525,0.001432778,0.0001487386,0.0002707044,0.0001259512,0.01445081],"genre_scores_gemma":[0.9904618,0.002857039,0.0008438205,0.001171949,0.002561266,0.001279864,0.000373396,0.0004335237,0.0000172991],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9353133,"threshold_uncertainty_score":0.9986796,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03062850910267838,"score_gpt":0.2716026357595711,"score_spread":0.2409741266568927,"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."}}