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Experimental transition probabilities and oscillator strengths of singly ionised Xenon (Xe II) in the ultraviolet. A fully statistical approach to the determination of uncertainties
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DOI：10.1016/j.sab.2025.107190.png)
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Abstract
En 中文
We report 92 experimental values of transition probabilities and oscillator strengths for singly ionised xenon (Xe II) in the ultraviolet region (217-385 nm), 91 of which have been measured for the first time. The transition probabilities were obtained from the analysis of spectra emitted by a plasma in partial local thermodynamic equilibrium (pLTE) generated in a pulsed-discharge lamp. The resolving power of our experimental setup is 120,000 at 380 nm. The novelty of this work lies in its use of an exponential fitting technique rather than the linear Boltzmann Plot method. We include a detailed, purely statistical analysis of the uncertainties of our new measurements, together with an in-depth explanation of our measurements to promote transparency and reproducibility. We have implemented this fully statistical approach to the calculation of the uncertainties in a code developed in our laboratory, which can be freely downloaded from our laboratory's Zenodo repository to support Open Science and help other atomic data producers to calculate the uncertainties of their measurements. The uncertainties of our new transition probabilities are smaller than 15 % for 11 % of the lines and <= 30 % for 87 % of the spectral lines.
Keywords:
Atomic data
Transition probabilities
Oscillator strengths
Emission spectroscopy
Uncertainty evaluation
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