Direct and indirect processes in electron-impact ionization of 1s2 1S0 ground-state and 1s2s 3S1 metastable He-like N5+ ions

28th International Conference on Photonic, Electronic and Atomic Collisions

Müller, A.^1 ; Borovik, A.^1 ; Huber, K.^1 ; Schippers, S.^1

Institut für Atom- und Molekülphysik, Universität Giessen, Giessen

35392, Germany^1

关键词: Absolute cross sections;    Electron energies;    Electron impact-ionization;    Indirect process;    Ionization mechanisms;    K-shells;    Meta-stable state;    Single ionization;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/488/6/062024/pdf
DOI  :  10.1088/1742-6596/488/6/062024

来源: IOP

【 摘 要 】

Absolute cross sections for electron-impact ionization of two-electron N5+ions in the 1s21S0ground state and in the 1s2s3S1metastable state have been measured. Spectroscopic-quality electron-energy scans were obtained revealing the details of indirect ionization mechanisms which contribute to net single ionization of the metastable, K-shell excited parent N5+(1s2s) ion.