{"paper":{"title":"Blackbody radiation shift assessment for a lutetium ion clock","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Arpan Roy, Kyle J. Arnold, Murray D. Barrett, Rattakorn Kaewuam, Ting Rei Tan","submitted_at":"2017-12-01T09:09:10Z","abstract_excerpt":"We measure the dynamic differential scalar polarizabilities at 10.6 $\\mu$m for two candidate clock transitions in $^{176}\\mathrm{Lu}^+$. The fractional black body radiation (BBR) shifts at 300 K for the $^1S_0 \\leftrightarrow {^3D_1}$ and $^1S_0 \\leftrightarrow {^3D_2}$ transitions are evaluated to be $-1.36\\,(9) \\times 10^{-18}$ and $2.70 \\,(21) \\times10^{-17}$, respectively. The former is the lowest of any established optical atomic clock."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00240","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"}