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I. A. Abbasi, Jamshed Hussain Zaidi, M. Arif, Muhammad Sadiq Subhani

Measurement of fission neutron spectrum averaged cross sections of some threshold reactions on zinc: small-scale production of no-carrier-added ⁶⁴Cu in a nuclear reactor

Keywords: Fission neutron spectrum, Neutron threshold reaction, Activation technique, Cross section, Radiochemical separation

Fission neutron spectrum averaged cross sections of some threshold
reactions like (n,p), (n, α) and (n,2n) on zinc were measured using the activation technique in combination with radiochemical separations and high-resolution γ-ray spectroscopy. Special attention was paid to the formation of ⁶⁴Cu via the ⁶⁴Zn(n,p) ⁶⁴Cu reaction since ⁶⁴Cu labeled compounds are potentially important radiopharmaceuticals. At a fast neutron flux density of 7.5×10¹³ cm^-2s^-1 and using a 100% enriched ⁶⁴Zn target, 35 GBq activity of no-carrier-added ⁶⁴Cu per batch could be produced. The process seems to be interesting from the medical application viewpoint, if a cyclotron is not available. A fast neutron source, on the other hand, would lead to significantly higher yield of ⁶⁴Cu.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 94, 02/2006
Pages: 063 - 067

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