Experimental cross section evaluation for innovative Mo-99 production via the (alpha,n) reaction on Zr-96 target

Abstract : The high-specific activity Mo-99 accelerator-based production, via the (alpha,n) reaction on Zr-96-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 Zr-96 target irradiated by an alpha-beam at suitable energy (E = 25 MeV), the Mo-99 production yield has thus been estimated. At last the alternative production routes, based on the Zr-96(alpha,n)Mo-99 and Mo-100(p,x)Mo-99/Tc-99m reactions, are compared.
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https://hal-mines-nantes.archives-ouvertes.fr/hal-01204917
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Submitted on : Thursday, September 24, 2015 - 4:34:06 PM
Last modification on : Thursday, February 7, 2019 - 2:27:55 PM

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Gaia Pupillo, Juan Esposito, Mauro Gambaccini, Ferid Haddad, N. Michel. Experimental cross section evaluation for innovative Mo-99 production via the (alpha,n) reaction on Zr-96 target. Journal of Radioanalytical and Nuclear Chemistry, Springer Verlag, 2014, 302 (2), pp.911-917. ⟨10.1007/s10967-014-3321-9⟩. ⟨hal-01204917⟩

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