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Development of a 1+ /N+ setup for the production of multicharged radioactive alkali ions in SPIRAL

Abstract : In the framework of the production of radioactive ion beams by the isotope separator online method, a new system has been developed at GANIL/SPIRAL I to produce multicharged alkali ions. The principle, referred to as the “direct 1 + /N+ method,” consists of a surface ionization source associated with a multicharged electron-cyclotron-resonance ion source without an intermediate mass separator. This new system has been tested online using a 48Ca primary beam at 60.3 A MeV. The experimental evidence of the direct 1 + /N+ process has been obtained for a potential difference between the two sources of 11 V and with a 1 + /N+ charge breeding efficiency of 0.04% for 47K5+. This value is significantly lower than the value of 6% obtained for stable K ions with the standard 1 + /N+ method. A possible explanation is given in the text.
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https://hal-cea.archives-ouvertes.fr/cea-00275015
Contributor : Chantal Brassy <>
Submitted on : Tuesday, April 22, 2008 - 11:33:52 AM
Last modification on : Thursday, February 7, 2019 - 5:27:52 PM

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  • HAL Id : cea-00275015, version 1

Citation

C. Eléon, G. Gaubert, P. Jardin, M.G. Saint-Laurent, J.A. Alcantara-Nunez, et al.. Development of a 1+ /N+ setup for the production of multicharged radioactive alkali ions in SPIRAL. Review of Scientific Instruments, American Institute of Physics, 2008, 79, pp.02A904. ⟨cea-00275015⟩

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