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Evaluation of excitation functions of 127I(p,xn) 121,122, 123, 125,127Xe reactions, with particular reference to the production of 127Xe and 123I for medical use
Radiation Physics and Chemistry ( IF 2.8 ) Pub Date : 2024-10-18 , DOI: 10.1016/j.radphyschem.2024.112331
M. Eman, N. Amjed, A. Naz, A.M. Wajid, Samar, M. Hussain, S.M. Qaim

Cross section data for the formation of 121,122,123,125,127Xe via proton induced reactions on 127I were critically analyzed. Three nuclear model codes (TALYS 1.9, ALICE-IPPE, and EMPIRE 3.2) were used to ensure the consistency and reliability of the experimental data. Utilizing a well-developed evaluation methodology, a recommended fit for each excitation function was obtained, based on theoretical predictions of nuclear models and experimental cross sections. By using the recommended/reference results, thick target yields were calculated for each production route and its associated impurity reactions. The indirect production of the radionuclides 121,122,123,125I was explored. Special attention was paid to standardization of cross section data for the production of the medically important radionuclides 127Xe and 123I via the routes 127I(p,n)127Xe and 127I(p,5n)123Xe(EC, β+)123I, respectively.

中文翻译:


评估 127I(p,xn) 121,122、123、125,127Xe 反应的激发函数,特别是用于医疗用途的 127Xe 和 123I 的生产



批判性分析了通过 127I 上的质子诱导反应形成 121,122,123,125,127Xe 的横截面数据。使用了三个核模型代码(TALYS 1.9、ALICE-IPPE 和 EMPIRE 3.2)来确保实验数据的一致性和可靠性。利用成熟的评估方法,根据核模型和实验横截面的理论预测,获得了每个激发函数的推荐拟合。通过使用推荐/参考结果,计算了每条生产路线及其相关杂质反应的厚靶标产量。探索了放射性核素 121,122,123,125I 的间接生产。特别注意通过路线 127I(p,n)127Xe 和 127I(p,5n)123Xe(EC, β+)123I 分别生产医学上重要的放射性核素 127Xe 和 123I 的横截面数据的标准化。
更新日期:2024-10-18
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