钡和镭低激发态能级和寿命的计算
Calculations of energy levels and lifetimes of low-lying states of barium and radium
摘要：
我们使用组态相互作用方法和多体微扰理论对钡和镭的低激发态的能级、跃迁振幅和寿命进行了精确的计算。镭的计算需要计划的宇称和时间不变性违反的影响，这是强烈增强在这个原子的测量。钡的计算用于控制计算的准确性。
英文摘要：
We use the configuration interaction method and many-body perturbation theory to perform accurate calculations of energy levels, transition amplitudes, and lifetimes of low-lying states of barium and radium. Calculations for radium are needed for the planning of measurements of parity and time invariance violating effects which are strongly enhanced in this atom. Calculations for barium are used to control the accuracy of the calculations.
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