{"id":"W4408538490","doi":"10.1103/physrevlett.134.112701","title":"First Measurement of a Weak <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"> <mml:mi>r</mml:mi> </mml:math> -Process Reaction on a Radioactive Nucleus","year":2025,"lang":"en","type":"article","venue":"Physical Review Letters","topic":"Nuclear physics research studies","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia; University of Guelph; Simon Fraser University; McMaster University; TRIUMF","funders":"Agencia Estatal de Investigación; European Regional Development Fund; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; National Research Council Canada; Bundesministerium für Bildung und Forschung","keywords":"Nuclear reaction; Physics; Yield (engineering); Nuclear physics; Nucleon; Ion; Cross section (physics); Atomic physics; Analytical Chemistry (journal); Chemistry","routes":{"ca_aff":true,"ca_fund":true,"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"],"consensus_categories":[],"category_scores_codex":[0.0002876161,0.0002574688,0.0003354682,0.00004824755,0.0002547717,0.00006386679,0.0003259511,0.00003034589,0.00001079856],"category_scores_gemma":[0.00009231749,0.0002596935,0.000476108,0.0002949927,0.0001986195,0.0002192413,0.0001978558,0.0004259913,0.0004532031],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004298414,"about_ca_system_score_gemma":0.0001054382,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001570728,"about_ca_topic_score_gemma":0.000006292512,"domain_scores_codex":[0.9979994,0.00007327789,0.0003431416,0.0004224235,0.0007699044,0.0003919062],"domain_scores_gemma":[0.9987906,0.0002217763,0.0003075588,0.0004760117,0.0001030512,0.0001010657],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00008471105,0.0003906151,0.000010589,0.001400805,0.0005274303,0.000004540574,0.0002389297,0.0001338199,0.00816438,0.9838979,0.001782933,0.003363409],"study_design_scores_gemma":[0.003823664,0.001414417,0.002068219,0.02925184,0.003011415,0.0000101313,0.001609267,0.7785664,0.04973717,0.009509915,0.1186686,0.002329049],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9920797,0.0004428997,0.0003959351,0.002910232,0.000152402,0.0001611658,0.00005068231,0.00004027909,0.00376671],"genre_scores_gemma":[0.997574,0.0004829111,0.0001102958,0.001015982,0.0004143655,0.0003061892,0.00003207323,0.00004928241,0.0000148945],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9743879,"threshold_uncertainty_score":0.9999855,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02248141693576867,"score_gpt":0.2881642621410374,"score_spread":0.2656828452052687,"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."}}