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SUB-PERMILLE MEASUREMENTS AND CALCULATIONS OF 3-0 BAND CO LINE INTENSITIES
Reed, Zachary
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https://hdl.handle.net/2142/116740
Description
- Title
- SUB-PERMILLE MEASUREMENTS AND CALCULATIONS OF 3-0 BAND CO LINE INTENSITIES
- Author(s)
- Reed, Zachary
- Contributor(s)
- Polyansky, Oleg L.; Tennyson, Jonathan ; Ebert, Volker ; Zobov, Nikolay F.; Lodi, Lorenzo ; Hodges, Joseph T.; Adkins, Erin M.; Lisak, Daniel ; Ciurylo, Roman ; Cygan, Agata ; Li, Gang ; Kyuberis, Aleksandra A.; Bielska, Katarzyna
- Issue Date
- 2022-06-22
- Keyword(s)
- Mini-symposium: Benchmarking in Spectroscopy
- Abstract
- Here we present new measurements and calculations of line intensities in the 3 - 0 band of $^{12}$C$^{16}$O. These experimental results and calculations exhibit unprecedented consistency and low uncertainty. Calibration-free agreement at the 1 permille level relative standard deviation level has been demonstrated between theoretical ab initio calculations and three sets of independent experiments, corresponding to a nearly twenty-fold reduction in uncertainty by comparison to literature values. The experimental techniques cover a broad range of rotational quantum numbers from J = 5 to 30, including three separate laser-based measurements of high-J lines performed at two institutions, along with independent Fourier transform spectroscopy measurements for J = 5 to 18. The most accurately determined intensity is that of the R23 transition determined to within 0.4 permille. The intensity of this transition is a possible intrinsic reference for evaluating and reducing biases in future spectroscopic determinations of molecular line intensities.
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- text
- Language
- eng
- Handle URL
- https://hdl.handle.net/2142/116740
- Copyright and License Information
- Copyright 2022 held by the authors
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