{"id":"W3022577634","doi":"10.1134/s0030400x20040025","title":"Generation of an Attosecond Pulse in Helium Excited by Half-Cycle X-Ray Pulses","year":2020,"lang":"en","type":"article","venue":"Optics and Spectroscopy","topic":"Laser-Matter Interactions and Applications","field":"Physics and Astronomy","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"Innovation Cluster (Canada)","funders":"","keywords":"Attosecond; Extreme ultraviolet; Atomic physics; Laser; Physics; Excited state; Femtosecond; High harmonic generation; Excitation; Superradiance; Optics; Harmonics; Helium; Pulse (music); Ultrashort pulse; Quantum mechanics","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":[],"consensus_categories":[],"category_scores_codex":[0.00003071192,0.00009310099,0.0001341942,0.00002722723,0.00005883001,0.00006841112,0.00006972002,0.00002154408,0.0005036702],"category_scores_gemma":[0.00000160731,0.00009098547,0.00002677267,0.0001123415,0.00002625784,0.0001548962,0.00001988564,0.00009060446,0.00001079005],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000007550885,"about_ca_system_score_gemma":0.00001446147,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002482293,"about_ca_topic_score_gemma":0.00002637845,"domain_scores_codex":[0.999416,0.0000143519,0.0001955542,0.0001915839,0.00005866806,0.000123834],"domain_scores_gemma":[0.9996904,0.00001283996,0.00006311706,0.0001254057,0.00002738879,0.00008091016],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00001399535,0.0003319462,0.003657815,0.00001237932,0.00002298866,5.897174e-7,0.0003135247,0.0004275076,0.9834802,0.009023614,0.001435539,0.001279903],"study_design_scores_gemma":[0.001184196,0.0003731057,0.003061322,0.00002081168,0.00003879111,9.0103e-7,0.0006995497,0.1584505,0.8243226,0.002043308,0.009408024,0.000396916],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9876809,0.00002401144,0.008060643,0.001084319,0.00003226253,0.0001226132,0.0001142632,0.000009030445,0.002871977],"genre_scores_gemma":[0.9964321,0.00001016585,0.002863483,0.0001629754,0.0001764865,0.00002299953,0.0001964247,0.00001153529,0.0001238019],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1591576,"threshold_uncertainty_score":0.5514836,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01798230940327122,"score_gpt":0.2745320238759185,"score_spread":0.2565497144726472,"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."}}