Recombination in Electron Coolers

Wolf, A; Gwinner, G; Linkemann, J; Saghiri, A.A; Schmitt, M; Schwalm, D; Grieser, M; Beutelspacher, M; Bartsch, T; Brandau, C; Hoffknecht, A; Müller, A; Schippers, S; Uwira, O; Savin, Daniel Wolf

An introduction to electron}ion recombination processes is given and recent measurements are described as examples, focusing on low collision energies. Discussed in particular are "ne-structure-mediated dielectronic recombination of #uorine-like ions, the moderate recombination enhancement by factors of typically 1.5}4 found for most ion species at relative electron}ion energies below about 10 meV, and the much larger enhancement occurring for speci"c highly charged ions of complex electronic structure, apparently caused by low-energy dielectronic recombination resonances. Recent experiments revealing dielectronic resonances with very large natural width are also described. 2000 Elsevier Science B.V. All rights reserved.


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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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Astronomy and Astrophysics
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March 15, 2023