Journalartikel
Autorenliste: Stenke, M; Aichele, K; Hathiramani, D; Hofmann, G; Steidl, M; Volpel, R; Salzborn, E
Jahr der Veröffentlichung: 1995
Seiten: 51-58
Zeitschrift: Nuclear Fusion
Bandnummer: 6
ISSN: 0029-5515
Verlag: IOP Publishing
Abstract:
Electron impact ionisation cross sections for the single and multiple ionisation of tungsten ions have been measured by employing the ''crossed-beams'' technique. For W(q+)ions in charge states q=1...10 cross sections for single ionisation were determined. For ions in charge states q=3...7, excitation-autoionisation from the ground state as well as from excited, metastable states strongly contributes to the cross sections. This results in a strong underestimation of the measured cross sections compared to the semiempirical Lotz formula in the energy range between the ionisation threshold and the cross section maximum. The ionisation cross section for W(q+)ions was measured in the case of double ionisation for q=1...6 and of triple ionisation up to q=4. The multiple ionisation cross sections indicate no considerable contributions of indirect processes.
Zitierstile
Harvard-Zitierstil: Stenke, M., Aichele, K., Hathiramani, D., Hofmann, G., Steidl, M., Volpel, R., et al. (1995) Electron impact ionisation of tungsten ions, Nuclear Fusion, 6, pp. 51-58
APA-Zitierstil: Stenke, M., Aichele, K., Hathiramani, D., Hofmann, G., Steidl, M., Volpel, R., & Salzborn, E. (1995). Electron impact ionisation of tungsten ions. Nuclear Fusion. 6, 51-58.