{"paper":{"title":"Isotope shifts and hyperfine splitting of the ${}^{1}S_{0}\\rightarrow{}^{3}P_{1}$ transition in zinc","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Felix Waldherr, Lukas M\\\"oller, Simon Stellmer","submitted_at":"2026-05-28T08:21:07Z","abstract_excerpt":"We report laser-induced-fluorescence spectroscopy of the \\({}^{1}S_{0}\\rightarrow{}^{3}P_{1}\\) intercombination transition in neutral zinc at \\(307.6~\\mathrm{nm}\\). Isotope shifts are measured for all stable isotopes with kHz-level precision, improving previous data by about two orders of magnitude. For \\(^{67}\\mathrm{Zn}\\), we resolve the excited-state hyperfine structure and determine \\(\\delta\\nu_{\\mathrm{COG}}^{67,64}=1085.933(4)~\\mathrm{MHz}\\), \\(A=608.922(1)~\\mathrm{MHz}\\), and \\(B=-18.995(4)~\\mathrm{MHz}\\). A King-plot comparison with the \\({}^{1}S_{0}\\rightarrow{}^{1}P_{1}\\) transition "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29574","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.29574/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}