钨上质子诱导核反应的活化截面:特别关注 186Re 的形成

IF 1.7 4区 物理与天体物理 Q2 PHYSICS, NUCLEAR Nuclear Physics A Pub Date : 2024-01-26 DOI:10.1016/j.nuclphysa.2024.122833
B.M. Ali , Gehan Y. Mohamed , M. Al-Abyad
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引用次数: 0

摘要

利用叠箔活化技术测量了质子轰击天然钨产生 181、182m、g、183、184g、186gRe 放射性同位素的截面,质子能量高达 14.7 MeV。对结果进行了分析,并与报告的实验数据以及 EMPIRE 3.2.3 和 TALYS 1.9 代码计算的理论激发函数进行了比较。多次尝试用不同的 EMPIRE 输入参数来重现实验激发函数,结果取得了合理的一致。在测量放射性核素 181Re 的活度时,所发射的 360-keV γ 光子的强度估计约为 10%,约为各种数据库中报告值的一半。对所研究放射性同位素的积分产率进行了计算,并讨论了对 186gRe 治疗放射性核素的特别关注。
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Activation cross sections of proton induced nuclear reactions on tungsten: Special regard to the formation of 186Re

Cross-sections for the production of 181,182m,g,183,184g,186gRe radioisotopes from proton bombardment of natural tungsten have been measured using the stacked foil activation technique for proton energies up to 14.7 MeV. The results were analyzed and compared with the reported experimental data, and the theoretical excitation functions as calculated by the EMPIRE 3.2.3 and TALYS 1.9 codes. Several attempts have been made to reproduce the experimental excitation functions by different EMPIRE input parameters, and a reasonable agreement was attained. While measuring the activity of radionuclide 181Re, the intensity of the emitted 360-keV γ-photon was estimated at around 10 %, about half of the value reported in various databases. The integral yield of the investigated radioisotopes has been calculated, and a particular interest in the 186gRe therapeutic radionuclide was discussed.

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来源期刊
Nuclear Physics A
Nuclear Physics A 物理-物理:核物理
CiteScore
3.60
自引率
7.10%
发文量
113
审稿时长
61 days
期刊介绍: Nuclear Physics A focuses on the domain of nuclear and hadronic physics and includes the following subsections: Nuclear Structure and Dynamics; Intermediate and High Energy Heavy Ion Physics; Hadronic Physics; Electromagnetic and Weak Interactions; Nuclear Astrophysics. The emphasis is on original research papers. A number of carefully selected and reviewed conference proceedings are published as an integral part of the journal.
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