Abstract
The high-specific activity 99Mo accelerator-based production, via the (α,n) reaction on 96Zr-enriched target, has been investigated in the present work. The excitation function measurement has been performed in the energy range 8–34 MeV at the ARRONAX facility, using the well-known stacked foils technique on natural zirconium as target. A general good agreement in the cross section trend has been observed, once compared to former measurements. A different (i.e. higher) peak value and a shift of about 2 MeV towards larger energies have however been found. Assuming a fully enriched 96Zr target irradiated by an α-beam at suitable energy (E = 25 MeV), the 99Mo production yield has thus been estimated. At last the alternative production routes, based on the 96Zr(α,n)99Mo and 100Mo(p,x)99Mo/99mTc reactions, are compared.
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Acknowledgments
Authors would like to thank Charlotte Duchemin and Thomas Sounalet (PhD students at ARRONAX facility) and Dr. Paolo Cardarelli (University and INFN of Ferrara) for their suggestions and support. This work has been performed in collaboration between INFN and GIP ARRONAX, thanks to an Erasmus Placement funds that Gaia Pupillo spent at ARRONAX from April to August 2013.
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Pupillo, G., Esposito, J., Gambaccini, M. et al. Experimental cross section evaluation for innovative 99Mo production via the (α,n) reaction on 96Zr target. J Radioanal Nucl Chem 302, 911–917 (2014). https://doi.org/10.1007/s10967-014-3321-9
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DOI: https://doi.org/10.1007/s10967-014-3321-9