{"paper":{"title":"Precision spectroscopy and comprehensive analysis of perturbations in the $A\\,{}^1\\Pi(v=0$) state of ${}^{\\rm 13}$C${}^{\\rm 18}$O","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.atom-ph","authors_text":"A.N. Heays, E.J. Salumbides, N. de Oliveira, R. Hakalla, R.W. Field, T.M. Trivikram, W. Ubachs","submitted_at":"2018-08-07T17:54:25Z","abstract_excerpt":"We have reinvestigated the A$^1\\Pi$$(v=0)$ level of $^{13}$C$^{18}$O\\ using new high-resolution spectra obtained via multi-photon laser excitation as well as with synchrotron-based Fourier-transform absorption spectroscopy of the A$^1\\Pi -\\textrm{X}^1\\Sigma^+$$(0, 0)$, e$^3\\Sigma^--\\textrm{X}^1\\Sigma^+$$(1, 0)$, d$^3\\Delta-\\textrm{X}^1\\Sigma^+$$(4, 0)$, a$'^3\\Sigma^+-\\textrm{X}^1\\Sigma^+$$(9, 0)$, and \\atX$(11, 0)$ bands. In addition, Fourier-transform emission spectroscopy in the visible range is performed on the ${\\rm B}^1\\Sigma^+-{\\rm A}^1\\Pi$$(0, 0)$ band. Spectra of the \\BX$(0, 0)$ band a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.02476","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":""},"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"}