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An investigation of the effects of level density models and alpha optical model potentials on the cross-section calculations for the production of the radionuclides 62Cu, 67Ga, 86Y and 89Zr via some alpha induced reactions
Radiochimica Acta ( IF 1.4 ) Pub Date : 2020-06-25 , DOI: 10.1515/ract-2019-3169
Mert Şekerci 1
Affiliation  

Abstract Theoretical studies via nuclear reaction models have an undeniable importance and impact in terms of better understanding of reaction processes and their nature. In this study, by considering the importance of these models and the medical radionuclides, the effects of six level density models and eight alpha optical model potentials on the cross-section calculations for the production of the radionuclides 62Cu, 67Ga, 86Y and 89Zr via 59Co(α,n)62Cu, 60Ni(α,np)62Cu, 65Cu(α,2n)67Ga, 64Zn(α,p)67Ga, 85Rb(α,3n)86Y, 86Sr(α,n)89Zr, 87Sr(α,2n)89Zr and 88Sr(α,3n)89Zr reactions were investigated. Calculations for each reaction route were performed by using the TALYS v1.9 code. The most consistent model with the literature data taken from the Experimental Nuclear Reaction Database (EXFOR), was identified by using the reduced chi-squared statistics in addition to an eyeball estimation. Also, the effects of combinational use of selected models and potentials were investigated by comparing the calculational results with the experimental data.

中文翻译:

能级密度模型和 α 光学模型电位对通过一些 α 诱导反应产生放射性核素 62Cu、67Ga、86Y 和 89Zr 的横截面计算的影响的研究

摘要 通过核反应模型进行的理论研究对于更好地理解反应过程及其性质具有不可否认的重要性和影响。在本研究中,通过考虑这些模型和医用放射性核素的重要性,六个能级密度模型和八个 alpha 光学模型电位对通过 59Co 生产放射性核素 62Cu、67Ga、86Y 和 89Zr 的横截面计算的影响(α,n)62Cu, 60Ni(α,np)62Cu, 65Cu(α,2n)67Ga, 64Zn(α,p)67Ga, 85Rb(α,3n)86Y, 86Sr(α,n)89Zr, 87Sr(α ,2n)89Zr 和 88Sr(α,3n)89Zr 反应进行了研究。使用 TALYS v1.9 代码对每个反应路线进行计算。与来自实验核反应数据库 (EXFOR) 的文献数据最一致的模型,除了眼球估计之外,还通过使用简化的卡方统计来识别。此外,通过将计算结果与实验数据进行比较,研究了所选模型和潜力的组合使用的影响。
更新日期:2020-06-25
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