ECRIS等离子体中硫激发态的产生和衰变
Production and decay of Sulphur excited species in a ECRIS plasma
摘要：
本文研究了在电子回旋共振离子源中，S ~（12+）~ S ~（14+）离子从基态组态产生激发态，从而产生K射线的重要过程。在多组态Dirac-Fock方法框架下，计算了内壳层激发和电离截面，包括双KL和三KLL电离截面、跃迁几率和退激过程的能量.通过对电子能量分布的合理假设，得到了理论K $α$ X射线能谱，并与最近的实验数据进行了比较。
英文摘要：
The most important processes for the creation of S12+ to S14+ ions excited states from the ground configurations of S9+ to S14+ ions in an electron cyclotron resonance ion source, leading to the emission of K X-ray lines, are studied. Theoretical values for inner-shell excitation and ionization cross sections, including double KL and triple KLL ionization, transition probabilities and energies for the deexcitation processes, are calculated in the framework of the multi-configuration Dirac-Fock method. With reasonable assumptions about the electron energy distribution, a theoretical K$α$ X-ray spectrum is obtained, which is compared to recent experimental data.
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