Recombination of open-4f-shell W18+ ions with free electrons

28th International Conference on Photonic, Electronic and Atomic Collisions

Spruck, K.^1 ; Badnell, N.R.^2 ; Krantz, C.^3 ; Becker, A.^3 ; Bernhardt, D.^1 ; Grieser, M.^3 ; Hahn, M.^4 ; Novotný, O.^4 ; Repnow, R.^3 ; Savin, D.W.^4 ; Wolf, A.^3 ; Müller, A.^1 ; Schippers, S.^1

Institut für Atom-und Molekülphysik, Justus-Liebig-Universität Giessen, Giessen

35392, Germany^1

Department of Physics, University of Strathclyde, Glasgow

G40NG, United Kingdom^2

Max-Planck-Institut für Kernphysik, Heidelberg

69117, Germany^3

Columbia Astrophysics Laboratory, Columbia University, New York

NY

10027, United States^4

关键词: Electron-ion recombinations;    Free electron;    Fusion plasmas;    Recombination rate;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/488/6/062015/pdf
DOI  :  10.1088/1742-6596/488/6/062015

来源: IOP

【 摘 要 】

Electron-ion recombination of W18+forming W17+has been studied both experimentally and theoretically. The W18+recombination rate coefficient is dominated by strong recombination resonances even at the lowest experimental energies. According to our calculations these resonances are mainly associated with 4f → 5 excitations of the W18+(4f10) core. For the purpose of fusion plasma modeling, the total W18+recombination rate coefficient in a plasma is derived from our results.