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Radioactivity distribution at MAFF

Nebel, F.; Szerypo, J.; Zech, E.; Faestermann, T.; Groetzschel, R.; Gross, M.; Habs, D.; Krucken, R.; Maier-Komor, P.; Thirolf, P.; Yakushev, A.
A detailed account on the distribution of radioactive nuclei in the vacuum system of the planned Munich Accelerator for Fission Fragments (MAFF) located at the FRM-II research reactor is presented. Tools used for the simulation of spacial and temporal distribution of radionuclides are explained. The latter allows for a detailed activity budget as well as estimates for the mass-separated ion yields at MAFF. Additionally, a concept to reduce the activity release from the MAFF slit system due to surface sputtering is presented. It is shown, that the use of low-density carbon foam, as a surface coating, reduces sputtering by orders of magnitude.
Keywords: Theory, design, and computerized simulation - Materials - Safety - Beam handling; beam transport
  • European Physical Journal A 29(2006)3, 369-381

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Permalink: https://www.hzdr.de/publications/Publ-9055
Publ.-Id: 9055