{"id":"W184751501","doi":"10.1103/physrevlett.100.051803","title":"Observation of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>B</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo>→</mml:mo><mml:msubsup><mml:mi>a</mml:mi><mml:mn>1</mml:mn><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1260</mml:mn><mml:mo stretchy=\"false\">)</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math>and<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msubsup><mml:mi>a</mml:mi><mml:mn>1</mml:mn><mml:mo>−</mml:mo></mml:msubsup><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1260</mml:mn><mml:mo stretchy=\"false\">)</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math>","year":2008,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria; Université de Montréal; McGill University; University of British Columbia","funders":"Science and Technology Facilities Council","keywords":"Physics; Electron–positron annihilation; Pi; Annihilation; Analytical Chemistry (journal); Crystallography; Chemistry; Particle physics; Hadron; Mathematics; Geometry; Chromatography","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001770438,0.001978817,0.001191914,0.001969771,0.002151005,0.006026637,0.002665088,0.00224906,0.3981648],"category_scores_gemma":[0.007841371,0.001288918,0.001644438,0.002787303,0.001297187,0.009004684,0.004226812,0.004656537,0.3284613],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003773126,"about_ca_system_score_gemma":0.002725256,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03846389,"about_ca_topic_score_gemma":0.04766439,"domain_scores_codex":[0.9981313,0.0002736837,0.0001286048,0.000350872,0.0008368662,0.0002786118],"domain_scores_gemma":[0.9958905,0.0007308432,0.0001754546,0.001090852,0.001756818,0.0003555366],"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":[0.0002811685,0.00007527181,0.000595211,0.0002088449,0.00001591622,0.0003249845,0.0005246691,0.0004474484,0.003012449,0.01700764,0.9511569,0.02634957],"study_design_scores_gemma":[0.00003421953,0.000019497,0.0009230385,0.0000803311,0.0000113229,0.0001291731,0.0002168334,0.001982806,0.00517315,0.00367854,0.9877157,0.00003537683],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.005986176,0.0005909314,0.1481556,0.008755771,0.005822158,0.0005297418,0.06436216,0.1387358,0.6270616],"genre_scores_gemma":[0.04504451,0.0008667905,0.0609551,0.00372107,0.0008238885,0.00051402,0.07570327,0.07720303,0.7351683],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.3981648,"threshold_uncertainty_score":0.8584449,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0211859963309057,"score_gpt":0.2537739803438745,"score_spread":0.2325879840129688,"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."}}