{"id":"W1527024293","doi":"10.1103/physrevlett.107.041803","title":"Observation of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:msub><mml:mi>h</mml:mi><mml:mi>c</mml:mi></mml:msub><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>1</mml:mn><mml:mi>P</mml:mi><mml:mo stretchy=\"false\">)</mml:mo></mml:math>Using<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>Collisions above the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>D</mml:mi><mml:mover accent=\"true\"><mml:mi>D</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>Threshold","year":2011,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Particle physics theoretical and experimental studies","field":"Physics and Astronomy","cited_by":51,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"U.S. Department of Energy; Science and Technology Facilities Council; National Science Foundation","keywords":"Physics; Collider; Electron–positron annihilation; Nuclear physics; Branching fraction; Storage ring; Atomic physics; Hadron; Optics","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":[0.001327528,0.001768066,0.0009989685,0.002116644,0.002831916,0.005120215,0.002198189,0.00244657,0.3462345],"category_scores_gemma":[0.005273429,0.001310354,0.001579502,0.003368562,0.001274369,0.005853872,0.004638042,0.005338392,0.2290462],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002460686,"about_ca_system_score_gemma":0.00252538,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02856508,"about_ca_topic_score_gemma":0.04259138,"domain_scores_codex":[0.9984134,0.0001857531,0.00008452504,0.0002616124,0.0007616073,0.0002931071],"domain_scores_gemma":[0.9975611,0.0004318907,0.0001341905,0.0007585574,0.0008140788,0.0003002063],"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":[0.0003801374,0.0001050259,0.001186932,0.0002344787,0.00002664626,0.001006693,0.00139001,0.0007787282,0.007863027,0.02880756,0.9153851,0.04283571],"study_design_scores_gemma":[0.00004409808,0.00003805976,0.001711001,0.0001060365,0.00001690793,0.0003184733,0.0004143256,0.002240839,0.008843888,0.003799003,0.9824148,0.00005249918],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.0119598,0.0007451599,0.172617,0.008701842,0.007827973,0.0004487545,0.03812018,0.07070444,0.6888749],"genre_scores_gemma":[0.06973693,0.001056562,0.06420893,0.002540084,0.0008271462,0.0004059362,0.04269492,0.04721742,0.7713121],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.3462345,"threshold_uncertainty_score":0.9325171,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02505428915365092,"score_gpt":0.258896682019892,"score_spread":0.2338423928662411,"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."}}