CERN Accelerating science

Article
Report number	CERN-ACC-2014-0183
Title	High Power Molten Targets for Radioactive Ion Beam Production: from Particle Physics to Medical Applications
Author(s)	De Melo Mendonca, T M (CERN)
Publication	2014
Imprint	01 06 2014
Number of pages	4
In:	5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.2143
DOI	10.18429/JACoW-IPAC2014-WEPRO080
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN ISOLDE
Study	BetaBeams ; EURISOL
Free keywords	CERN Isolde ; BetaBeams ; Eurisol
Abstract	Megawatt-class molten targets, combining high material densities and good heat transfer properties are being considered for neutron spallation sources, neutrino physics facilities and radioactive ion beam production. For this last category of facilities, in order to cope with the limitation of long diffusion times affecting the extraction of short-lived isotopes, a lead-bismuth eutectic (LBE) target loop equipped with a diffusion chamber has been proposed and tested offline during the EURISOL design study. To validate the concept, a molten LBE loop is now in the design phase and will be prototyped and tested on-line at CERN-ISOLDE. This concept was further extended to an alternative route to produce 1013 18Ne/s for the Beta Beams, where a molten salt loop would be irradiated with 7 mA, 160 MeV proton beam. Some elements of the concept have been tested by using a molten fluoride salt static unit at CERNISOLDE. The investigation of the release and production of neon isotopes allowed the measurement of the diffusion coefficient of this element in molten fluoride salts.
Copyright/License	publication: (License: CC-BY)

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