{"title":"单电离铌的精细和超精细结构半经验研究。偶偶校验配置系统","authors":"J. Ruczkowski , M. Elantkowska , M. Klempka","doi":"10.1016/j.jqsrt.2025.109583","DOIUrl":null,"url":null,"abstract":"<div><div>We report the results of semi-empirical calculations of the fine structure (<em>fs</em>) and the hyperfine structure (<em>hfs</em>) for the even-parity level system of the niobium ion (Nb II), using all available experimental data. The calculations carried out showed, in most cases, very good agreement, within or slightly above the experimental uncertainty, between the 168 experimental values of the magnetic dipole <em>hfs A</em> constants and the calculated ones. The predicted energies of electronic levels, together with their Landé <span><math><msub><mrow><mi>g</mi></mrow><mrow><mi>J</mi></mrow></msub></math></span> factors, along with the <em>hfs</em> <span><math><mi>A</mi></math></span> constants for unknown levels, are also provided.</div></div>","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"346 ","pages":"Article 109583"},"PeriodicalIF":1.9000,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fine- and hyperfine structure semi-empirical studies of singly ionized niobium. Even-parity configurations system\",\"authors\":\"J. Ruczkowski , M. Elantkowska , M. Klempka\",\"doi\":\"10.1016/j.jqsrt.2025.109583\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>We report the results of semi-empirical calculations of the fine structure (<em>fs</em>) and the hyperfine structure (<em>hfs</em>) for the even-parity level system of the niobium ion (Nb II), using all available experimental data. The calculations carried out showed, in most cases, very good agreement, within or slightly above the experimental uncertainty, between the 168 experimental values of the magnetic dipole <em>hfs A</em> constants and the calculated ones. The predicted energies of electronic levels, together with their Landé <span><math><msub><mrow><mi>g</mi></mrow><mrow><mi>J</mi></mrow></msub></math></span> factors, along with the <em>hfs</em> <span><math><mi>A</mi></math></span> constants for unknown levels, are also provided.</div></div>\",\"PeriodicalId\":16935,\"journal\":{\"name\":\"Journal of Quantitative Spectroscopy & Radiative Transfer\",\"volume\":\"346 \",\"pages\":\"Article 109583\"},\"PeriodicalIF\":1.9000,\"publicationDate\":\"2025-07-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Quantitative Spectroscopy & Radiative Transfer\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0022407325002456\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Quantitative Spectroscopy & Radiative Transfer","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022407325002456","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}
Fine- and hyperfine structure semi-empirical studies of singly ionized niobium. Even-parity configurations system
We report the results of semi-empirical calculations of the fine structure (fs) and the hyperfine structure (hfs) for the even-parity level system of the niobium ion (Nb II), using all available experimental data. The calculations carried out showed, in most cases, very good agreement, within or slightly above the experimental uncertainty, between the 168 experimental values of the magnetic dipole hfs A constants and the calculated ones. The predicted energies of electronic levels, together with their Landé factors, along with the hfs constants for unknown levels, are also provided.
期刊介绍:
Papers with the following subject areas are suitable for publication in the Journal of Quantitative Spectroscopy and Radiative Transfer:
- Theoretical and experimental aspects of the spectra of atoms, molecules, ions, and plasmas.
- Spectral lineshape studies including models and computational algorithms.
- Atmospheric spectroscopy.
- Theoretical and experimental aspects of light scattering.
- Application of light scattering in particle characterization and remote sensing.
- Application of light scattering in biological sciences and medicine.
- Radiative transfer in absorbing, emitting, and scattering media.
- Radiative transfer in stochastic media.