{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002083866,0.0004791739,0.0006118404,0.0007335715,0.001012014,0.001321711,0.0007336264,0.001054041,0.005843591],"category_scores_gemma":[0.001614217,0.0003369796,0.000582521,0.0009424553,0.0005085713,0.0007158339,0.001120814,0.001060026,0.001306869],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008006929,"about_ca_system_score_gemma":0.0007791066,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001849403,"about_ca_topic_score_gemma":0.004783714,"domain_scores_codex":[0.9994308,0.0001904347,0.0000159548,0.0001175948,0.0001468812,0.00009821574],"domain_scores_gemma":[0.9989077,0.0002928324,0.0002639351,0.0001495642,0.000143726,0.0002423588],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.008276338,0.001415131,0.1932321,0.001910656,0.002312267,0.006388464,0.001597044,0.004416813,0.1783621,0.3007258,0.1209667,0.1803967],"study_design_scores_gemma":[0.003877243,0.004107194,0.1041055,0.0005551567,0.002568522,0.005939981,0.00191862,0.02835799,0.4145342,0.1310463,0.3024311,0.000558166],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.844141,0.01005772,0.02110685,0.007622607,0.0008827129,0.0003525774,0.003638921,0.0007790326,0.1114186],"genre_scores_gemma":[0.9715266,0.00134691,0.01359711,0.0009674459,0.0001169687,0.00007610545,0.001338032,0.0001483926,0.01088236],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005843591,"threshold_uncertainty_score":0.01954871,"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."}}