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Status of charge breeding with electron cyclotron resonance ion sources

Abstract : Due to the production methods of exotic nuclei, an efficient acceleration of radioactive ion beams needs charge breeding of weakly charged ions. The upgrade of existing Isotope Separator On Line facilities (TRIUMF-ISAC, CERN-ISOLDE...) or the development of new projects for the acceleration of radioactive ion beams (GANIL - SPIRAL2, MAFF, EURISOL...) require charge breeders with high efficiency, fast charge breeding time, low background levels and high intensity acceptance either in continuous or in pulsed mode. The optimisation of these parameters is a new challenge for the ECR community and is useful to get a better understanding of plasma physics in ECRIS. The ECR Charge breeding technique has been developed for more than ten years at LPSC (ex-ISN) Grenoble, typical 1+ → n+ efficiencies are in the 3% - 10% range depending on the nature of the incoming beam (metallic, alkaline, gaseous) and remaining constant for high intensity injection. Different laboratories have developed programs to study ECR charge breeding, the progress of these studies will be presented. ECRIS have main advantages to be efficient charge breeders and a few limitations which will be discussed.
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Submitted on : Tuesday, January 24, 2006 - 11:04:38 AM
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T. Lamy, R. Geller, P. Sortais, T. Thuillier. Status of charge breeding with electron cyclotron resonance ion sources. 11th International Conference on Ion Sources (ICIS'05), 2005, Caen, France. pp.03B101, ⟨10.1063/1.2149300⟩. ⟨in2p3-00025476⟩



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