{"id":"W4407841549","doi":"10.1103/physreva.111.022813","title":"Investigating the <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"> <mml:mrow> <mml:mn>4</mml:mn> <mml:msub> <mml:mi>D</mml:mi> <mml:mrow> <mml:mn>3</mml:mn> <mml:mo>/</mml:mo> <mml:mn>2</mml:mn> </mml:mrow> </mml:msub> <mml:mrow> <mml:mo>|</mml:mo> <mml:mn>3</mml:mn> <mml:mo>,</mml:mo> <mml:mo>±</mml:mo> <mml:mn>2</mml:mn> <mml:mo>〉</mml:mo> </mml:mrow> </mml:mrow> </mml:math> – <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"> <mml:mrow> <mml:mn>4</mml:mn> <mml:msub> <mml:mi>D</mml:mi> <mml:mrow> <mml:mn>5</mml:mn> <mml:mo>/</mml:mo> <mml:mn>2</mml:mn> </mml:mrow> </mml:msub> <mml:mrow> <mml:mo>|</mml:mo> <mml:mn>3</mml:mn> <mml:mo>,</mml:mo> <mml:mo>±</mml:mo> <mml:mn>2</mml:mn> <mml:mo>〉</mml:mo> </mml:mrow> </mml:mrow> </mml:math> transition in <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"> <mml:msup> <mml:mrow> <mml:mi>Nb</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>4</mml:mn> <mml:mo>+</mml:mo> </mml:mrow> </mml:msup> </mml:math> for a THz atomic clock","year":2025,"lang":"lv","type":"article","venue":"Physical review. A/Physical review, A","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Ministry of Colleges and Universities; Physical Research Laboratory; Indian Space Research Organisation; National Natural Science Foundation of China; Government of Canada; Innovation, Science and Economic Development Canada; Arthritis National Research Foundation","keywords":"Chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":["metaresearch","metaepi_narrow","metaepi_broad","sts","scholarly_communication","open_science","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","sts","scholarly_communication","open_science","research_integrity","insufficient_payload"],"category_scores_codex":[0.01846044,0.01173063,0.005459339,0.006220832,0.0153533,0.01366505,0.02253982,0.01908374,0.3922268],"category_scores_gemma":[0.01560865,0.02139565,0.02240771,0.01452219,0.01770279,0.0145303,0.0179626,0.02041112,0.01780821],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005390475,"about_ca_system_score_gemma":0.01623153,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01215078,"about_ca_topic_score_gemma":0.008429877,"domain_scores_codex":[0.9139687,0.007149007,0.01842797,0.01781446,0.0206854,0.02195441],"domain_scores_gemma":[0.9323705,0.0150025,0.02078483,0.01658183,0.003076395,0.01218398],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.008638867,0.003677886,0.00004709562,0.009859251,0.01207976,0.006036949,0.005539005,0.004607131,0.009995339,0.4910248,0.4379404,0.01055355],"study_design_scores_gemma":[0.01403903,0.01030307,0.0001648161,0.01568553,0.01872615,0.01006128,0.008957855,0.05428609,0.7831145,0.004132535,0.06339584,0.01713333],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.4441975,0.02212461,0.006730982,0.005883998,0.01831624,0.001361464,0.01260423,0.004289296,0.4844917],"genre_scores_gemma":[0.8847751,0.02124622,0.009999055,0.01095764,0.01817938,0.02209686,0.02043175,0.01028548,0.002028521],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7731192,"threshold_uncertainty_score":0.999253,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01847036570683756,"score_gpt":0.2710325436038098,"score_spread":0.2525621778969722,"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."}}