利用Talys 1.95代码对偶极子共振区末端能量弱致辐照引起的一些光子核反应中异构体比率的理论考虑

Minh Hue Bui, D. T. Tran
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引用次数: 0

摘要

利用TALYS 1.95软件结合Geant4模拟,理论计算了轫致辐射诱导下Se、Ce、Eu和Hg靶上端点能量为γ、n的光核反应对异构体的比值。计算出的同分异构体比率作为轫致辐射端点能量在10至25 MeV范围内的函数,是通过使用TALYS 1.95中可用的六个能级密度模型计算的微分截面与GEANT4工具包模拟的轫致辐射光谱之间的卷积得到的。此外,对于每个水平密度模型,使用了8个伽马强度函数。将计算结果与现有文献中的实验数据进行比较,对Talys 1.95模型进行评价。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Theoretical consideration of isomeric ratios in some photonuclear reactions induced by bremsstrahlung with endpoint energy in giant dipole resonance region using Talys 1.95 code
Isomeric ratios of isomeric pairs produced by photonuclear reactions (γ, n) on Se, Ce, Eu and Hg targets induced by bremsstrahlung with endpoint energies in the giant dipole resonance region have been theoretically calculated using TALYS 1.95 code in combination with Geant4 simulation. The computed isomeric ratios as a function of the bremsstrahlung endpoint energies in the range of 10 to 25 MeV resulted from convolution between calculated differential cross-sections using six level density models available in TALYS 1.95 and the bremsstrahlung spectra simulated by the GEANT4 toolkit. Moreover, for each level density model, eight gamma strength functions have been employed. The calculated results are compared to the experimental data in the existing literature for Talys 1.95 model evaluation.
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