{"id":"W2024636856","doi":"10.1016/s1044-0305(00)00171-9","title":"Observation of higher order quadrupole excitation frequencies in a linear ion trap","year":2000,"lang":"en","type":"article","venue":"Journal of the American Society for Mass Spectrometry","topic":"Mass Spectrometry Techniques and Applications","field":"Chemistry","cited_by":39,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Chemistry; Atomic physics; Ion; Excitation; Quadrupole; Quadrupole ion trap; Ion trap; Resonance (particle physics); Amplitude; Fragmentation (computing); Omega; Buffer gas; Analytical Chemistry (journal); 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000536731,0.0002921238,0.0003323932,0.0003587985,0.000371597,0.0002953438,0.0008776614,0.0004276029,0.001482085],"category_scores_gemma":[0.0007100327,0.0002101883,0.0001818264,0.0002704418,0.0005116882,0.000389446,0.000413404,0.0006322604,0.0003910424],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004070068,"about_ca_system_score_gemma":0.0002671308,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008461532,"about_ca_topic_score_gemma":0.001160461,"domain_scores_codex":[0.9997299,0.00003858976,0.000007452803,0.00008280877,0.00009127383,0.00004982037],"domain_scores_gemma":[0.9994382,0.0002756793,0.0001108271,0.00003690251,0.00007626897,0.00006208452],"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":[0.0001152769,0.00001203684,0.0004807514,0.00003943183,0.000005569041,0.00004871974,0.00006343873,0.0001796977,0.997453,0.0002068437,0.00003374614,0.001361585],"study_design_scores_gemma":[0.00003138643,0.0003197385,0.002695181,0.000006479142,0.00001427439,0.0002188692,0.00004783933,0.002754647,0.9926362,0.0001776494,0.001078219,0.00001938146],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9658056,0.0007104603,0.03150599,0.0001094712,0.00001893636,0.00002734531,0.0001548051,0.000318455,0.001349049],"genre_scores_gemma":[0.9809357,0.0002556219,0.01739864,0.00006230058,0.000007587904,0.00002899568,0.0001361302,0.00003246755,0.001142579],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001482085,"threshold_uncertainty_score":0.004958093,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01942846102752252,"score_gpt":0.2864778508403253,"score_spread":0.2670493898128029,"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."}}