{"id":"W2144540483","doi":"10.1139/p04-079","title":"A new measurement of the decay rate of the negative positronium ion:status and preliminary results","year":2005,"lang":"en","type":"article","venue":"Canadian Journal of Physics","topic":"Muon and positron interactions and applications","field":"Engineering","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Positronium; Physics; Positron; Ion; Nuclear physics; Atomic physics; Electron; Quantum mechanics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0000679286,0.00005058087,0.00007643794,0.00002115697,0.00006018421,0.00001007833,0.0001046918,0.00001622142,0.000009708099],"category_scores_gemma":[0.0000105321,0.0000323414,0.00006123118,0.0001018509,0.00003236502,0.00005482158,0.000005465878,0.0001268115,5.580931e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008302199,"about_ca_system_score_gemma":0.0003199584,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001177933,"about_ca_topic_score_gemma":0.004385538,"domain_scores_codex":[0.9996036,0.00001952061,0.0001855472,0.00003054145,0.00007070361,0.00009009412],"domain_scores_gemma":[0.9995154,0.0000234162,0.0001073946,0.0001134298,0.0001160641,0.000124324],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000437478,0.000174841,0.00471118,0.000219072,0.001241321,0.000003667558,0.02770793,0.3255615,0.2109965,0.06850062,0.1685199,0.1919259],"study_design_scores_gemma":[0.001493143,0.0002382796,0.08536349,0.0005455228,0.0002152559,0.00003294423,0.0006830538,0.003031703,0.8059101,0.002148555,0.1001118,0.0002261108],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9767864,0.001818857,0.004768061,0.005079703,0.0008727559,0.0003426234,0.0001567494,0.000006618615,0.01016825],"genre_scores_gemma":[0.9995283,0.00002120288,0.0001822341,0.00002860025,0.0001325856,8.126308e-7,2.403178e-7,0.000005261788,0.0001007679],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5949135,"threshold_uncertainty_score":0.2447233,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01222946753913699,"score_gpt":0.20707070421682,"score_spread":0.194841236677683,"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."}}