{"id":"W1845558237","doi":"10.1103/physrevlett.108.081801","title":"Observation of Exclusive<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>Production in<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>p</mml:mi><mml:mover accent=\"true\"><mml:mi>p</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>Collisions at<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>1.96</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>","year":2012,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":33,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Fermilab; Istituto Nazionale di Fisica Nucleare; Centre National de la Recherche Scientifique; Natural Sciences and Engineering Research Council of Canada; Alfred P. Sloan Foundation; National Science Council; Science and Technology Facilities Council; National Research Foundation; National Research Foundation of Korea; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; U.S. Department of Energy; Russian Foundation for Basic Research; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation","keywords":"Pseudorapidity; Physics; Nuclear physics; Antiproton; Collider Detector at Fermilab; Luminosity; Fermilab; Collider; Charged particle; Particle physics; Production (economics); Photon; Proton; Large Hadron Collider; Ion; Astrophysics; Tevatron","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001034013,0.001054854,0.0007194994,0.001509593,0.003066264,0.002781718,0.001765902,0.002106386,0.1011306],"category_scores_gemma":[0.003911014,0.001223505,0.0009024991,0.001888019,0.001398243,0.002869848,0.004201081,0.004956856,0.02545437],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001589422,"about_ca_system_score_gemma":0.001515747,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01612263,"about_ca_topic_score_gemma":0.02020532,"domain_scores_codex":[0.9981353,0.0001376363,0.00007233159,0.0005125174,0.0007858649,0.0003562742],"domain_scores_gemma":[0.9966127,0.0007508445,0.0003130343,0.001043651,0.0008434857,0.0004361997],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.003837944,0.0007301903,0.04002063,0.001173045,0.0003215063,0.01399566,0.008728526,0.009146549,0.1620867,0.1018521,0.5321664,0.1259408],"study_design_scores_gemma":[0.0002345301,0.0004314442,0.07949745,0.0003043808,0.0001322946,0.004897628,0.003339882,0.01813294,0.169968,0.01803751,0.7046588,0.0003651461],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.1651752,0.0009488938,0.1183216,0.007727025,0.003239362,0.0003443779,0.02498096,0.01938301,0.6598796],"genre_scores_gemma":[0.7378305,0.0005787948,0.03134748,0.002552112,0.0002873306,0.0003474927,0.02361346,0.006437063,0.1970057],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.1011306,"threshold_uncertainty_score":0.3383156,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02210903088697664,"score_gpt":0.2646825301269001,"score_spread":0.2425734992399234,"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."}}