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Poster communications

NanoNaKe : production of alkali ion beams for SPIRAL1/GANIL

Abstract : The SPIRAL1 facility is delivering radioactive ion beams at GANIL since 2001. However, the present operation is limited to gaseous elements (noble gases, oxygen, nitrogen...). The aim of the NanoNaKe project is to enlarge the available radioactive beams to alkali elements (especially Na and K) by using a new Target-Ion Source system for SPIRAL1. In this setup, a 1+ surface ionization ion source is directly coupled to the present Nanogan3 ECRIS which is used as a charge breeder. The advantage of such a compact geometry is that only minor modifications of the SPIRAL1 production cave are needed. The first part of the system (target-surface ionization ion source: MonoNaKe) has already been tested and validated online in 2007 for the production of different isotopes of Li+, Na+ and K+ [1]. Furthermore, a first demonstration of the principle of coupling Mononake to Nanogan3 was experimentally obtained with 47K5+ ions [2]. In order to increase the performances of Nanonake, the charge breeding of 1+ ions into the ECRIS has been successfully tested off-line using different stable alkali ions (Na+, K+, Rb+ and Cs+) on the SIRA test-bench. Significantly improved charge breeding efficiencies have been measured and some limitations in the performances of the present device have also been identified. An upgraded version of the setup will be tested on-line on SIRA in May 2009 for the production of multicharged radioactive alkali ions. Depending on the results of this experiment, a Target-Ion Source using Nanonake could possibly be installed on SPIRAL1 before 2012 for a physics experiment. A complete description of the setup as well as off-line and on-line results will be presented.
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http://hal.in2p3.fr/in2p3-00420293
Contributor : Michel Lion <>
Submitted on : Monday, September 28, 2009 - 3:27:00 PM
Last modification on : Tuesday, November 6, 2018 - 3:22:05 PM

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  • HAL Id : in2p3-00420293, version 1

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A. Méry, P. Jardin, J.A. Alcantara-Nunez, M.G. Saint-Laurent, O. Bajeat, et al.. NanoNaKe : production of alkali ion beams for SPIRAL1/GANIL. The 13th International Conference on Ion Sources (ICIS'09), Sep 2009, Gatlinburg, United States. ⟨in2p3-00420293⟩

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