{"id":"W2885314423","doi":"10.1103/physrevd.98.091101","title":"Search for a dark photon in electroproduced <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> pairs with the Heavy Photon Search experiment at JLab","year":2018,"lang":"lv","type":"article","venue":"Physical review. D/Physical review. D.","topic":"Dark Matter and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":49,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Science and Technology Facilities Council; Office of Science; Centre de Compétences Nanosciences Ile-de-France; Centre National de la Recherche Scientifique; U.S. Department of Energy","keywords":"Physics; Dark photon; Luminosity; Photon; Particle physics; Bhabha scattering; Dark matter; Nuclear physics; Physics beyond the Standard Model; Standard Model (mathematical formulation); Electron; Optics; Astrophysics","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","sts","scholarly_communication","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","insufficient_payload"],"category_scores_codex":[0.002541785,0.001950373,0.001549163,0.0003036189,0.00219174,0.001246372,0.00339537,0.0007035647,0.001673113],"category_scores_gemma":[0.0006737058,0.002338711,0.003581563,0.002077425,0.002177698,0.001353837,0.002783877,0.003074843,0.004536613],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000126449,"about_ca_system_score_gemma":0.001843022,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001322046,"about_ca_topic_score_gemma":0.0001578771,"domain_scores_codex":[0.9848524,0.001144208,0.002673447,0.003550533,0.003740463,0.004038888],"domain_scores_gemma":[0.9903656,0.001979109,0.00193957,0.003630617,0.0005111431,0.001573967],"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":[0.002054125,0.00213893,0.00003332467,0.006548313,0.001907016,0.0002342859,0.002256721,0.0001277021,0.01548852,0.9207903,0.03582839,0.01259238],"study_design_scores_gemma":[0.004548104,0.008176058,0.0000817293,0.01160913,0.004485507,0.0005088274,0.001666062,0.1709807,0.7509064,0.009138843,0.03362441,0.004274241],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9639341,0.008413759,0.0005053274,0.002839368,0.0008408493,0.0007198885,0.0005946266,0.0002341807,0.02191796],"genre_scores_gemma":[0.9729155,0.009423776,0.0006628193,0.004167791,0.004298825,0.006016259,0.001438559,0.0009148034,0.0001617018],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9116514,"threshold_uncertainty_score":0.9997904,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01818674068204348,"score_gpt":0.311084589070849,"score_spread":0.2928978483888055,"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."}}