低能量下氘核诱导的钼反应建模

IF 1.9 4区 工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY Journal of Fusion Energy Pub Date : 2024-05-17 DOI:10.1007/s10894-024-00407-w
Marilena Avrigeanu, Eva Šimečková, Jaromir Mrázek, Cristian Costache, Vlad Avrigeanu
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引用次数: 0

摘要

EUROfusion 财团为核聚变应用开发高质量核数据的活动包括评估氘核诱导反应和相关数据库,以满足 DEMO 核聚变发电厂和 IFMIF-DONES 中子源核分析的需要。钼是这些项目关键部件所用参考不锈钢的主要成分之一。虽然 TENDL 氘核数据库是 EUROfusion 目前使用的参考数据库,但已经指出需要进一步改进。氘核的结合能较弱,这是其与原子核相互作用高度复杂的原因,还涉及氘核破裂后核子引发的各种反应。他们的分析完成了氘核与钼及其稳定同位素的相互作用,从弹性散射到预平衡和复合核反应,最高可达 50 MeV。他们特别关注破裂、剥离和拾取的直接相互作用,这些作用约占氘核总反应截面的一半。对大多数实验数据的适当考虑验证了目前的方法,突出了一些普遍特征,并强调了薄弱环节,因此需要对建模/评估进行升级。
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Modeling of Deuteron-Induced Reactions on Molybdenum at Low Energies

The activities of the EUROfusion consortium on the development of high quality nuclear data for fusion applications include evaluations of deuteron induced reactions and related data libraries for needs of the DEMO fusion power plant and IFMIF-DONES neutron-source nuclear analyses. Molybdenum is one of the major constituents of the reference stainless steels used in critical components of these projects. While the TENDL deuteron data library was the current reference used by EUROfusion, need of its further improvement has already been pointed out. The weak binding energy of the deuteron is responsible for the high complexity of its interaction with nuclei, involving also a variety of reactions initiated by the nucleons following the deuteron breakup. Their analysis completed that of the deuteron interactions with Mo and its stable isotopes, from elastic scattering to pre-equilibrium and compound–nucleus reactions, up to 50 MeV. A particular attention has been paid to the breakup, stripping, and pick-up direct interactions which amount to around half of the deuteron total–reaction cross section. The due account of most experimental data has validated the present approach, highlighted some prevalent features, and emphasized weak points and consequently the need for modeling/evaluation upgrade.

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来源期刊
Journal of Fusion Energy
Journal of Fusion Energy 工程技术-核科学技术
CiteScore
2.20
自引率
0.00%
发文量
24
审稿时长
2.3 months
期刊介绍: The Journal of Fusion Energy features original research contributions and review papers examining and the development and enhancing the knowledge base of thermonuclear fusion as a potential power source. It is designed to serve as a journal of record for the publication of original research results in fundamental and applied physics, applied science and technological development. The journal publishes qualified papers based on peer reviews. This journal also provides a forum for discussing broader policies and strategies that have played, and will continue to play, a crucial role in fusion programs. In keeping with this theme, readers will find articles covering an array of important matters concerning strategy and program direction.
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