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Poster communications

Permanent magnets under irradiation and radiocative alkali ion beam development for SPIRAL1

Abstract : Up to now, eighteen Target Ion Source Systems (TISSs) have been built and used for the production of radioactive ion beams on SPIRAL 1 facility, based on the Isotope- Separator-On-Line (ISOL) method. The TISSs are composed of thick carbon targets and of fully permanentmagnet Electron Cyclotron Resonance Ion Sources (ECRISs) of the Nanogan III type. After irradiation and a decay period of two years, the irradiated TISSs are dismounted and if their magnetic fields are still suitable, the ECRIS are used with a new target. Thereby thirty-two runs have been performed using new or renewed TISSs. , After irradiation, the measured magnetic field sometimes reveals magnet damage. Our experience is reported here. In the second section, we present the progress on the NanoNaKE setup, which aims to extend the radioactive ion beams in SPIRAL 1 to the alkali elements, by connecting a surface-ionization source to the Nanogan III ECRIS via a compact 1+ ion beam line. The main issues and difficulties are discussed and the preliminary solutions are described.
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Contributor : Michel Lion <>
Submitted on : Tuesday, June 23, 2009 - 4:05:10 PM
Last modification on : Thursday, February 1, 2018 - 1:34:51 AM
Long-term archiving on: : Monday, June 7, 2010 - 8:39:45 PM



  • HAL Id : in2p3-00331809, version 1



M. Dubois, J.A. Alcantara-Nunez, R. Alves Condé, C. Barué, C. Canet, et al.. Permanent magnets under irradiation and radiocative alkali ion beam development for SPIRAL1. 18th International Workshop on ECR Ion Sources - ECRIS2008, Sep 2008, Chicago, United States. ⟨in2p3-00331809⟩



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