Abstract
This chapter addresses primarily the process of charge exchange and cross sections for electron capture. The theory of electron loss, which is similar to the theory of target ionization, is indicated only briefly in this chapter. The treatment of charge exchange includes classical and quantal theory of the Thomas process as well as other classical models by Bohr and others. Essential steps are described in the development of the quantum theory of charge exchange for light ions, in particular problems encountered with the Brinkman-Kramers theory and the significance of first- versus second-order perturbation theory in charge exchange. Brief accounts are given of the distorted-wave and eikonal approximations to charge exchange as well as the process of radiative electron capture. The chapter concludes with a list of data sources.
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Keywords
- Charge Exchange
- Electron Capture
- Differential Cross Section
- Capture Cross Section
- Ionization Cross Section
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Sigmund, P. (2014). Charge Exchange: Atomistics. In: Particle Penetration and Radiation Effects Volume 2. Springer Series in Solid-State Sciences, vol 179. Springer, Cham. https://doi.org/10.1007/978-3-319-05564-0_2
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