{"id":"W2148739602","doi":"10.1103/physrevlett.106.100801","title":"Methanol as a Sensitive Probe for Spatial and Temporal Variations of the Proton-to-Electron Mass Ratio","year":2011,"lang":"en","type":"article","venue":"Physical Review Letters","topic":"Astrophysics and Star Formation Studies","field":"Physics and Astronomy","cited_by":96,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of New Brunswick","funders":"","keywords":"Isotopologue; Maser; Proton; Methanol; Mass ratio; Electron; Rotation (mathematics); Sensitivity (control systems); Atomic physics; Range (aeronautics); Physics; Materials science; Molecule; Astrophysics; Chemistry; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002995464,0.0001965455,0.000150955,0.0002841471,0.0001756211,0.0003060137,0.0003856329,0.0004049756,0.001488326],"category_scores_gemma":[0.0009874193,0.0002200245,0.0001956128,0.0003016804,0.000409659,0.0002599301,0.0003723563,0.0002561952,0.0001743785],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003128466,"about_ca_system_score_gemma":0.000115526,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009158346,"about_ca_topic_score_gemma":0.001072799,"domain_scores_codex":[0.9998338,0.00005861893,0.000002705429,0.00003300877,0.00004300518,0.00002871708],"domain_scores_gemma":[0.9995437,0.0003352315,0.00004393969,0.00003832341,0.00002137532,0.00001739899],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.001187811,0.0001110596,0.03418739,0.0001799098,0.0002003501,0.0007065149,0.0001727182,0.1150545,0.8137519,0.01458157,0.000321624,0.01954455],"study_design_scores_gemma":[0.00005559918,0.0003704433,0.03288011,0.00001885088,0.0001238805,0.0002335243,0.00008151728,0.218799,0.7418908,0.003283688,0.002202573,0.00006007538],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.963921,0.0004472073,0.0293709,0.00009355622,0.00001458381,0.00002285398,0.0002490753,0.0001896441,0.005691248],"genre_scores_gemma":[0.9975762,0.0001036873,0.001652308,0.00001531159,0.000003255294,0.000006357173,0.00005050785,0.000009520548,0.0005829794],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001488326,"threshold_uncertainty_score":0.004978955,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01866671308116331,"score_gpt":0.2800546521750849,"score_spread":0.2613879390939216,"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."}}