论文标题
k $ 4s，7s，$和$ 4p $光吸收的计算接近阈值
Calculation of the K $4s, 7s,$ and $4p$ photoabsorption near threshold
论文作者
论文摘要
我们从K的基态重新访问了光的光吸收，结束了电离阈值下方和之上，特别强调了库珀最小值周围光电离截面的形状。当前的处理，包括核心极化效应和动态核心极化能力非常匹配最准确的测量结果，可以解决有关库珀最小值的较旧问题。还计算了激发$ 7s $和$ 4p $状态的光吸收，以及$ 4P $$ \ rightarrow $$ NL $ NL $光学振荡器的强度，并与最近的实验和理论数据相比。
We revisit the photoabsorption from the ground state of K, ending below and above the ionization threshold, with special emphasis on the shape of the photoionization cross section around the Cooper minimum. The present treatment, including core polarization effects and dynamic core polarizability matches very well the most accurate measurements resolving an older question about the width of the Cooper minimum. The photoabsorption from the excited $7s$ and $4p$ states is also calculated, along with $4p$$\rightarrow $$nl$ optical oscillator strengths, and compared with recent experimental and theoretical data.
