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Density dependence of recombination in the electron cooler of CRYRING

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Abstract

The electron-ion recombination rates of Ne10+ and D+ have been measured as a function of relative energy and electron density. We found a strong enhancement of e-Ne10+ recombination over expected radiative recombination rates below 1 meV relative energies, reaching a factor of 4 close to zero relative energy. Remarkably, the measured rate coefficients decrease as a function of electron density for both systems. Studies of recombination of D+ indicate that this density dependence may be due to temperature variations of the electron beam with the electron density.

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Author notes

  1. C. Biedermann

    Present address: Max-Planck-Institut für Plasmaphysik, Bereich Berlin, D-10117, Berlin, Germany

Authors and Affiliations

  1. Department of Atomic Physics, Stockholm University, S-10405, Stockholm, Sweden

    H. Gao, S. Asp, C. Biedermann, D. R. DeWitt, R. Schuch & W. Zong

  2. Manne Siegbahn Laboratory, Stockholm University, S-10405, Stockholm, Sweden

    H. Danared

Authors
  1. H. Gao
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  2. S. Asp
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  3. C. Biedermann
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  4. D. R. DeWitt
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  5. R. Schuch
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  6. W. Zong
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  7. H. Danared
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Gao, H., Asp, S., Biedermann, C. et al. Density dependence of recombination in the electron cooler of CRYRING. Hyperfine Interact 99, 301–308 (1996). https://doi.org/10.1007/BF02274934

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  • DOI: https://doi.org/10.1007/BF02274934

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