Estimation of Production Yield of 99Mo for Medical Use using Neutrons from natC($d,n$) at $E_{\text{d}}=40$ MeV

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概要

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• We estimated the production yield of 99Mo from 100Mo($n,2n$)99Mo using neutrons produced by bombarding a natural carbon target, natC, with 40 MeV 5 mA deuterons. We used the latest data for the angular and energy distributions of neutrons from natC($d,n$) and the evaluated cross section of 100Mo($n,2n$)99Mo given in the Japanese Evaluated Nuclear Data Library to estimate the 99Mo yield. The 99Mo yields were obtained for different distances $d$ between the carbon target and the 100Mo sample, and for different 100Mo sample radii and thicknesses. We typically obtained a 7.1 TBq activity of 99Mo at the end of neutron irradiation for two days for a 100Mo sample (251 g) placed at $d=2$ cm. The obtained 99Mo activities show that a substantial fraction of the current 99Mo demand in Japan could be met by adopting the proposed production method.

• Physical Society of Japanの論文
• 2010-09-15

著者

• Minato Futoshi

  Nuclear Science and Energy Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• Nagai Yasuki

  Nuclear Science and Energy Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• Nagai Yasuki

  Nuclear Engineering Research Collaboration Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

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