Abstract.
A Direct Target for a mid-term RIB ISOL-type facility is being developed at LNL, in the framework of the R&D for the SPES project [1]. Using a 40 MeV proton beam impinging on a UCx thick target of 2.5 g/cm3 density, a production rate of 1013 in target fissions per second is expected [2]. The crucial point, when short-lived isotopes are produced in the target, is to build systems (target + ion source) with good release properties and high efficiency. Monte Carlo simulations were performed using the GEANT4 toolkit [3] and the RIBO code [4] in order to optimize our target geometry and to estimate the average release time.
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References
SPES Technical Design for an Advanced Exotic Ion Beam Facility at LNL, REP181/02, edited by A. Bracco, A. Pisent (LNL-INFN, 2002)
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Barbui, M., Andrighetto, A., Antonucci, C. et al. Release time calculations for the SPES direct UCx target. Eur. Phys. J. Spec. Top. 150, 275–276 (2007). https://doi.org/10.1140/epjst/e2007-00322-5
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DOI: https://doi.org/10.1140/epjst/e2007-00322-5