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Computation of hyperfine multiplet oscillator strengths in Tantalum atom
Beni-Suef University Journal of Basic and Applied Sciences Pub Date : 2024-03-23 , DOI: 10.1186/s43088-024-00489-7
Syed Qamar Shujat , Aafreena Nasim , Shafiq Ur Rehman , Muhammad Mustaqeem Zahid , Ahmed Ali Rajput , Mahwish Mobeen Khan

The electronic transitions between two fine levels depend on the transition probability. The transition probability depends on spectral line strength and oscillator strength. The oscillator strength depends on the number of oscillators and their energies. In this research, we will find the oscillator strengths of hyperfine multiplets of the Tantalum atom. The oscillator strength of hyperfine multiplet investigation aims to enhance our understanding of Tantalum's spectral characteristics. This work provides valuable information in the spectroscopy of material, atomic/molecular, and astrophysics. Fourier transform spectra from ultraviolet to far infrared regions have been obtained from TUGRAZ. Fourier transform spectra give the most reliable position of the wavelength of hyperfine multiplets. The Fourier transform spectra of Tantalum contain thousands of Tantalum I and II spectral lines. Each spectral line can be characterized by its upper and lower levels and corresponding angular momenta and hyperfine constants. These properties of the spectral lines were collected from the literature. Hyperfine multiplets for each fine structure were calculated, and they revealed their spectroscopic behavior with high precision. In this study, Tantalum's hyperfine multiplet oscillator strength was calculated using advanced computational techniques to address its atomic structure. The fine structure “gf” values were obtained from literature, and intensities of the multiplets were determined. They combined with the gf values to calculate the oscillator strengths of the hyperfine multiplets.

中文翻译:

钽原子超精细多重振子强度的计算

两个精细能级之间的电子跃迁取决于跃迁概率。跃迁概率取决于谱线强度和振荡器强度。振荡器的强度取决于振荡器的数量及其能量。在这项研究中,我们将发现钽原子超精细多重态的振子强度。超精细多重态研究的振荡器强度旨在增强我们对钽光谱特性的理解。这项工作为材料光谱、原子/分子和天体物理学提供了有价值的信息。从紫外到远红外区域的傅里叶变换光谱已从TUGRAZ获得。傅里叶变换光谱给出了超精细多重态波长最可靠的位置。钽的傅立叶变换光谱包含数千条钽 I 和 II 谱线。每条谱线都可以通过其上限和下限以及相应的角动量和超精细常数来表征。谱线的这些特性是从文献中收集的。计算了每个精细结构的超精细多重态,并以高精度揭示了它们的光谱行为。在这项研究中,使用先进的计算技术来计算钽的超精细多重振子强度,以解决其原子结构问题。从文献中获得精细结构“gf”值,并确定多重峰的强度。他们结合 gf 值来计算超精细多重态的振子强度。
更新日期:2024-03-23
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