ABSTRACT

Intensive fast neutron sources using deuteron accelerators have been proposed for various applications. To contribute to the design study of such neutron sources, a deuteron nuclear data library for ^6,7Li, ⁹Be, and ^12,13C up to 200 MeV, JENDL/DEU-2020 is developed. Evaluation of JENDL/DEU-2020 is performed by employing the code system DEURACS with particular attention to neutron production data. Toward the evaluation of JENDL/DEU-2020, some modifications are made to DEURACS. Validation of the library is performed through simulation with the Monte Carlo transport calculation codes. From the simulation, it is shown that calculation results based on JENDL/DEU-2020 reproduce measured neutron production data well in incident energies up to 200 MeV. The new library is expected to make a large contribution to diverse design studies of deuteron accelerator neutron sources.

摘要

使用氘加速器的强快中子源已被提议用于各种应用。为此类中子源的设计研究做出贡献，^6,7 Li、⁹ Be 和^12,13的氘核数据库C 高达 200 MeV，开发了 JENDL/DEU-2020。JENDL/DEU-2020 的评估是通过使用代码系统 DEURACS 进行的，特别注意中子产生数据。针对 JENDL/DEU-2020 的评估，对 DEURACS 进行了一些修改。库的验证是通过使用 Monte Carlo 传输计算代码进行模拟来执行的。仿真结果表明，基于 JENDL/DEU-2020 的计算结果可以很好地再现高达 200 MeV 入射能量的中子产生数据。预计新库将对氘加速器中子源的各种设计研究做出重大贡献。