Contribution Of Excited Hydrogen Atoms To Charge-exchange Excitation Of Impurities In Fusion Plasmas
Abstract
Cross sections are calculated for charge transfer into excited states of C5+ and O7+ from collisions of C6+ and O8+ with hydrogen atoms in the n=2 and 3 levels. Effective emission cross sections that account for cascading is then derived for spectral lines emitted when the product ions decay. These are compared to the emission cross sections calculated for excitation by ground-state hydrogen. It is shown that in some circumstances the contribution from excited hydrogen atoms must be taken into account when visible lines are used to determine the oxygen or carbon density from charge-exchange spectroscopy in plasmas. Influences on Lyman-series spectra in the x-ray region are also discussed. © 1988 The American Physical Society.
Recommended Citation
R. C. Isler and R. E. Olson, "Contribution Of Excited Hydrogen Atoms To Charge-exchange Excitation Of Impurities In Fusion Plasmas," Physical Review A, vol. 37, no. 9, pp. 3399 - 3402, American Physical Society, Jan 1988.
The definitive version is available at https://doi.org/10.1103/PhysRevA.37.3399
Department(s)
Physics
International Standard Serial Number (ISSN)
1050-2947
Document Type
Article - Journal
Document Version
Final Version
File Type
text
Language(s)
English
Rights
© 2023 American Physical Society, All rights reserved.
Publication Date
01 Jan 1988