Measurement of fission neutron spectrum averaged cross sections of some threshold reactions on zirconium:: Production possibility of no-carrier-added 90Y in a nuclear reactor
Measurement of fission neutron spectrum averaged cross sections of some threshold reactions on zirconium:: Production possibility of no-carrier-added 90Y in a nuclear reactor
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DOI：
10.1524/ract.2006.94.8.381
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发表时间：
2006-01-01
影响因子：
1.8
通讯作者：
Subhani, M. S.
中科院分区：
文献类型：
--
作者：
Abbasi, I. A.;Zaidi, J. H.;Subhani, M. S.
采用活化技术结合放射化学分离和高分辨率γ射线能谱裂变中子谱平均截面测量几个（n，p）和（n，α）反应的锆同位素，我们的测量构成的第一个系统的研究。特别感兴趣的是在核反应堆中生产无载体添加的Y-90的Zr-90（n，p）Y-90反应的研究。在快中子通量密度为7.5 × 10 ~（13）cm ~（-2）s ~（-1）和辐照时间为120 h的条件下，使用100%富集的Zr-90靶，每批可生产0.548 GBq的无载体Y-90。因此，该方法适合于这种放射性核素的中等规模生产。
Employing the activation technique in combination with radiochemical separations and high-resolution gamma-ray spectroscopy fission neutron spectrum averaged cross sections were measured for several (n, p) and (n, alpha) reactions on isotopes of zirconium; our measurements constitute the first systematic study. The special interest was in the investigation of the Zr-90(n, p)Y-90 reaction for the production of no-carrier-added Y-90 in a nuclear reactor. At a fast neutron flux density of 7.5 x 10(13) cm(-2) s(-1) and an irradiation time of 120 h, using 100% enriched Zr-90 target 0.548 GBq of no-carrier-added Y-90 per batch could be produced. The method is thus suitable for medium-scale production of this radionuclide.