质子诱发钡反应的活化截面研究：131Ba→131Cs的产生
Study of activation cross sections of proton induced reactions on barium: Production of 131Ba-->131Cs.
作者信息
Tárkányi F, Ditrói F, Király B, Takács S, Hermanne A, Yamazaki H, Baba M, Mohammadi A, Ignatyuk A V
机构信息
Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI), 4026 Debrecen, Bem ter 18/c, Hungary.
出版信息
Appl Radiat Isot. 2010 Oct;68(10):1869-77. doi: 10.1016/j.apradiso.2010.03.010. Epub 2010 Mar 12.
In the frame of a systematic study of charged particle production routes of the therapeutic radioisotope (131)Cs, excitation functions of the (nat)Ba(p,x)(135,132mg)La, (ind135m,cum133m,cum133mg,cum131mg)Ba and (136mg,134mg,132,cum129)Cs reactions were measured in the 30-70 MeV energy range using stacked foil irradiation technique, activation method and gamma spectroscopy. Comparisons with new results of the ALICE-IPPE and EMPIRE-II codes and with existing data obtained with TALYS code are shown. From the measured cross section data integral yields were calculated and compared with experimental integral yield data reported in the literature. Potential use of proton induced reactions on Ba for production of (131)Cs is discussed.
在对治疗性放射性同位素（131）Cs的带电粒子产生途径进行系统研究的框架内，利用叠层箔辐照技术、活化法和伽马能谱，在30 - 70 MeV能量范围内测量了（天然）Ba(p,x)(135,132mg)La、（累积135m、累积133m、累积133mg、累积131mg）Ba和（136mg、134mg、132、累积129）Cs反应的激发函数。展示了与ALICE - IPPE和EMPIRE - II代码的新结果以及用TALYS代码获得的现有数据的比较。根据测量的截面数据计算了积分产额，并与文献中报道的实验积分产额数据进行了比较。讨论了质子诱发的Ba反应在生产（131）Cs方面的潜在用途。
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