{"id":"W208687781","doi":"10.1103/physrevlett.112.120407","title":"Hyperfine Splitting in Positronium to<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:mi mathvariant=\"script\">O</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:msup><mml:mrow><mml:mi>α</mml:mi></mml:mrow><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:msup><mml:msub><mml:mrow><mml:mi>m</mml:mi></mml:mrow><mml:mrow><mml:mi>e</mml:mi></mml:mrow></mml:msub><mml:mo stretchy=\"false\">)</mml:mo></mml:mrow></mml:math>: One Photon Annihilation Contribution","year":2014,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Muon and positron interactions and applications","field":"Engineering","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Positronium; Annihilation; Hyperfine structure; Physics; Ground state; Atomic physics; Energy (signal processing); Particle physics; Quantum mechanics; Positron; Electron","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","sts","research_integrity","insufficient_payload"],"category_scores_codex":[0.004356582,0.002382688,0.001017471,0.001546939,0.003489298,0.00384266,0.004995706,0.004092427,0.7101628],"category_scores_gemma":[0.0039879,0.005105848,0.005040989,0.003686428,0.002933325,0.003764517,0.003699361,0.005075,0.005938267],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007415596,"about_ca_system_score_gemma":0.002425365,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005280918,"about_ca_topic_score_gemma":0.002990465,"domain_scores_codex":[0.9774632,0.001447996,0.005081005,0.004475409,0.005410406,0.006121961],"domain_scores_gemma":[0.9825592,0.003897309,0.004707903,0.005081621,0.0005584182,0.003195559],"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":[0.002452833,0.0009579057,0.0000338508,0.004239367,0.003573802,0.001523938,0.002294128,0.006007248,0.01322168,0.3884659,0.5720236,0.005205671],"study_design_scores_gemma":[0.003908851,0.00289717,0.0002231532,0.005657561,0.004660268,0.002348899,0.001860976,0.03918152,0.9187629,0.0003867822,0.01564026,0.004471734],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.4141974,0.004793551,0.003921428,0.004588004,0.005481855,0.0001709133,0.001402611,0.0007281964,0.564716],"genre_scores_gemma":[0.9643307,0.005711676,0.003372044,0.006556907,0.006288026,0.005186183,0.005959873,0.002269122,0.0003254798],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9055412,"threshold_uncertainty_score":0.9997801,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01443423234819935,"score_gpt":0.2454561995054851,"score_spread":0.2310219671572858,"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."}}