{"id":"W2082336716","doi":"10.1063/1.1781625","title":"Study of hard x-ray emission from intense femtosecond Ti:sapphire laser–solid target interactions","year":2004,"lang":"en","type":"article","venue":"Physics of Plasmas","topic":"Laser-Plasma Interactions and Diagnostics","field":"Physics and Astronomy","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National de la Recherche Scientifique","funders":"Massachusetts Life Sciences Center; Michigan Economic Development Corporation","keywords":"Fluence; Laser; Physics; Femtosecond; Atomic physics; Plasma; Sapphire; Pulse duration; Electron; Intensity (physics); Electron temperature; Optics; Nuclear physics","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.00005847998,0.0002609714,0.00045109,0.00008012456,0.0001236791,0.00003708159,0.0002413689,0.000040575,0.0008783415],"category_scores_gemma":[0.00003545301,0.000245558,0.0001915002,0.0002188513,0.00006429466,0.0003747309,0.0001159317,0.0003120532,0.0001817036],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004294715,"about_ca_system_score_gemma":0.00009542952,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001707802,"about_ca_topic_score_gemma":0.0000748789,"domain_scores_codex":[0.9986049,0.00004083801,0.0005466575,0.0003350248,0.0002430185,0.0002295555],"domain_scores_gemma":[0.99836,0.0003569259,0.0004128113,0.000460778,0.0002847316,0.0001247316],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001224817,0.0469145,0.3534648,0.0002351202,0.004659476,0.0000774048,0.03259043,0.2715942,0.2441576,0.01447245,0.0228096,0.00779967],"study_design_scores_gemma":[0.00493728,0.0008790053,0.01199755,0.0004215921,0.0003719798,0.000001663951,0.01733875,0.00128444,0.9270731,0.03210466,0.002926426,0.0006636097],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9923084,0.000003122958,0.001948658,0.00007279849,0.0006261554,0.0002799592,0.0006118985,0.00002824648,0.004120703],"genre_scores_gemma":[0.9972393,0.000001701407,0.0015863,0.00001284795,0.0003075816,0.00003297437,0.0001972104,0.00003402484,0.0005880896],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6829154,"threshold_uncertainty_score":0.9999996,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01970491521614729,"score_gpt":0.2769718901962968,"score_spread":0.2572669749801495,"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."}}