论文标题
能源水平，辐射过渡参数，超细结构常数的全面计算
Comprehensive calculations of energy levels, radiative transition parameters, hyperfine structure constants A$_J$-B$_J$, Landé g$_J$ factors and isotope shifts for Sc XX
论文作者
论文摘要
对能级，过渡速率，振荡器强度，超精致相互作用常数，LandéG$ _J $因子和同位素转移的大规模计算，以$ 1S^2 $和$ 1SNL \：（n = 2-8 $和$ l \ l \ leq（n-1））$ scandium scandium，sc xx。基于多种配置的Dirac-fock方法的GRASP2018软件包用于执行这些计算。领先的量子电动力学校正，BREIT相互作用和核后坐力效应也包括在接下来的相对论构型相互作用计算中。相对论的同位素移位（RIS4）程序用于确定质量和场移因子。当前的结果与NIST数据库和其他理论工作的相应值（无论在任何地方都可以完成）中，并实现了出色的一致性。目前的工作中首次报告了大部分结果。
Large scale calculations for the energy levels, transition rates, oscillator strengths, hyperfine interaction constants, Landé g$_J$ factors and isotope shifts have been performed for $1s^2$ and $1snl \: (n=2-8 $ and $l \leq (n-1) )$ levels of He-like scandium, Sc XX. The GRASP2018 package based on the multi-configurational Dirac-Fock method is used to perform these calculations. The leading quantum electrodynamics corrections, Breit interactions and nuclear recoil effects are also included in the succeeding relativistic configuration interaction calculations. The relativistic isotope shift (RIS4) program is used to determine the mass and field shifts factors. A detailed comparison of the present results with the corresponding values from the NIST database and other theoretical work, wherever available, has been done, and an excellent agreement is achieved. A large section of the results is reported for the first time in the present work.
