2.1 MeV至10 MeV范围内70Ge(d,n)71As截面测量。

IF 1.8 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2024-12-30 DOI:10.1016/j.apradiso.2024.111654

Yi-Hsuan Lo , Anthony M. Miller , Gunnar Brown , Graham F. Peaslee , Jonathan W. Engle , Paul A. Ellison

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引用次数: 0

摘要

本研究报告了70Ge(d,n)71As的实验截面产生砷-71 (t1/2 = 65.3 h, 28% β+)，这是一种潜在有用的诊断放射性核素。使用FN串联范德格拉夫加速器，用5.5-10 MeV的氘核辐照含有两个锗箔、一个纳米镍监测箔和一个铝降解器的靶堆。用高纯锗伽马能谱法测定了金属箔中的71As、61Cu、56Co和58Co（来自natNi(d,x)）。测量的截面比以前报道的要大，适合于生产诊断性放射性药物的临床前数量。

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Measurement of the 70Ge(d,n)71As cross section from 2.1 MeV to 10 MeV

This work reports experimental ⁷⁰Ge(d,n)⁷¹As cross sections producing Arsenic-71 (t_1/2 = 65.3 h, 28% β⁺), a potentially useful diagnostic radionuclide. Target stacks containing two ^natGe foils, a ^natNi monitor foil, and an Al degrader were irradiated with 5.5–10 MeV deuterons using an FN Tandem Van de Graaff accelerator. ⁷¹As and ⁶¹Cu, ⁵⁶Co, and ⁵⁸Co (from ^natNi(d,x)) were quantified in the foils by high purity germanium gamma spectrometry. The measured cross sections are larger than previously reported and suitable for producing preclinical quantities of diagnostic radiopharmaceuticals.

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来源期刊

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.