伽玛发射体107Cd和109Cd低能回旋加速器产生的评价。

IF 1.8 3区 工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR
Samar , N. Amjed , A. Naz , A.M. Wajid , M. Eman , M.A. Saeed , I. Ahmad
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引用次数: 0

摘要

107Cd (T1/2 = 6.5 h)和109Cd (T1/2 = 461.9 d)是非标准的伽马辐射核素,具有SPECT应用的巨大潜力。为了优化上述放射性核素的生产,严格分析了107Ag(p,n)107Cd, 107Ag(d,2n)107Cd, 109Ag(d,2n)109Cd, 109Ag(p,n)109Cd, 109Ag(p,n) 107Cd和109Ag(d,4n)107Cd的生产路线。采用核模型代码ALICE-IPPE、TALYS 1.9和EMPIRE 3.2对实验数据的一致性和可靠性进行检验。然后使用一种经过验证的技术,考虑实验数据和理论建模,计算每条生产路线的推荐核截面值。同样的方法也适用于可能产生放射性同位素杂质的反应。根据推荐的结果,计算了每种生产路线和相应的杂质反应的粗目标收率。最后提出了低能回旋加速器生产高纯产品的最佳能量范围。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the low energy cyclotron production of the gamma emitters 107Cd and 109Cd
107Cd (T1/2 = 6.5 h) and 109Cd (T1/2 = 461.9 d) are promising non-standard gamma-emitting radionuclides with significant potential for SPECT use. For the optimized production of the said radionuclides, production routes namely 107Ag(p,n)107Cd, 107Ag(d,2n)107Cd, 109Ag(d,2n)109Cd, 109Ag(p,n)109Cd, 109Ag(p,3n)107Cd and 109Ag(d,4n)107Cd were critically analyzed. The nuclear model codes ALICE-IPPE, TALYS 1.9, and EMPIRE 3.2 were employed to check the consistency and reliability of the experimental data. A validated technique was then used to calculate recommended nuclear cross section values for each production route, considering both experimental data and theoretical modeling. The same approach was followed also for reactions leading to possible radioisotopic impurities. By using the recommended results, thick target yields were then calculated for each production route and corresponding impurity reactions. An optimum energy range for the high purity production with low energy cyclotron was at last suggested.
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来源期刊
Applied Radiation and Isotopes
Applied Radiation and Isotopes 工程技术-核科学技术
CiteScore
3.00
自引率
12.50%
发文量
406
审稿时长
13.5 months
期刊介绍: Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.
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