Abstract Electron-impact single-ionization (EISI) cross sections for W (, 10) ions have been calculated by using the level-to-level distorted-wave (LLDW) method with emphasis on the contribution of metastable states to the total ionization cross sections. Contributions from direct-ionization (DI) and excitation-autoionization (EA) processes are taken into account. The calculated cross sections include the contributions from both the ground configuration and the long-lived metastable states with lifetimes exceeding 10 s. Calculated cross sections are in good agreement with experimental measurements when the influence of metastable states on the total ionization cross section are well considered.
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11404152) and Fundamental Research Funds for the Central Universities (Grant No. lzujbky-2017-94).
Corresponding Authors:
Bowen Li
E-mail: libw@lzu.edu.cn
Cite this article:
Runjia Bao(鲍润家), Junkui Wei(魏军奎), Lei Chen(陈雷), Bowen Li(李博文), and Ximeng Chen(陈熙萌) Electron-impact ionization of W9+ and W10+ 2023 Chin. Phys. B 32 063401
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