A novel method for Cu-64 radioisotope production by secondary neutrons irradiation of natural ZnO and enriched 64ZnO targets

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-06-03 DOI:10.1016/j.radphyschem.2025.113008

Kartika Fajarwati , Wahyu Setia Budi , Ngurah Ayu Ketut Umiati , Imam Kambali

引用次数: 0

Abstract

This work presents the PHITS simulation and experimental studies of copper-64 (Cu-64) radioisotope by secondary neutron irradiation of ⁶⁴ZnO and ^natZnO targets. The secondary neutrons are generated from 11-MeV proton bombardment of titanium (Ti) primary targets with a proton beam of 15 μA and irradiation time of 5 min. The PHITS calculated results show that the 11-MeV proton bombarded Ti target generates a total neutron flux of 3.38x10⁹ n/cm²s, which then theoretically produces a saturated Cu-64 yield of 35 kBq/g and 25 kBq/g following neutron irradiation of enriched ⁶⁴ZnO and natural ZnO targets, respectively. The PHITS simulation results very well agree with the experimental data.

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用次级中子辐照天然氧化锌和富集64ZnO靶制备Cu-64放射性同位素的新方法

本文介绍了64ZnO和natZnO靶的二次中子辐照对铜64 （Cu-64）放射性同位素的PHITS模拟和实验研究。在质子束为15 μA、辐照时间为5 min的条件下，11-MeV质子轰击钛靶产生次级中子。PHITS计算结果表明，11-MeV质子轰击钛靶产生的总中子通量为3.38 × 109 n/cm2s，在中子辐照富集的64ZnO靶和天然ZnO靶后，理论上产生的Cu-64产额分别为35 kBq/g和25 kBq/g。PHITS模拟结果与实验数据吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. 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. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.