State-Selective Charge Exchange from H(1s), H(N = 2), Li and Na Targets by Very Highly Charged Ions

Abstract

In order to provide information for charge exchange spectroscopy diagnostics in new, high temperature tokamak plasmas, n-level state-selective electron capture cross sections are presented for very highly charged ions with charge states q ≥ 10. Fully stripped ions with charges of 10+, 18+, 26+, 54+ and 92+ are considered in order to provide scaling information over a broad range. The H(1s) and H(n = 2) targets are evaluated at 1, 10 and 100 keV/amu, i.e. plasma core temperatures to those encountered during neutral beam heating. For use in pellet diagnostics, cross sections are given for Li and Na targets at 10 keV/amu. These latter targets also provide a means to experimentally test the accuracy of the H(n = 2) results since they are pseudo-one-electron atoms with ionization energies close to that of excited hydrogen.

Department(s)

Physics

Sponsor(s)

National Agency for the Promotion of Science and Technology (Argentina)
National Council of Scientific and Technical Investigations (Argentina)
PGI

Keywords and Phrases

Monte Carlo Methods; Plasmas; Targets; Charge transfer; Fusion reactors; Ion exchange; Ions; Pelletizing; Xenon

International Standard Serial Number (ISSN)

0953-4075

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2010 Institute of Physics - IOP Publishing, All rights reserved.

Publication Date

01 Jul 2010

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