为提高超热中子束作为硼中子俘获治疗中子源的质量,采用延长喷嘴的双层束成形组件的设计开发

IF 0.4 Q4 PHYSICS, NUCLEAR
Bilalodin, A. Haryadi, Kartika Sari, Y. Sardjono, RasitoTursinah
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引用次数: 0

摘要

双层束整形组件(DLBSA)是一种将快中子缓和成超热中子的系统。离开DLBSA系统孔径的超热中子在空间上被加宽,从而降低了超热中子束的强度和均匀性。因此,有必要对设计进行改进。DLBSA设计的开发是使用延长喷嘴进行的。喷嘴采用Ni+LiF负载聚乙烯、Pb+LiF负载聚乙烯和Bi+LiF负载聚乙烯三种配置材料设计。仿真结果表明,在DLBSA的尖端增加喷嘴可以提高光束的定向和高强度通道。添加Ni+ liff负载PE材料的喷嘴可以产生符合IAEA标准的超热中子束。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design development of double-layer beam shaping assembly using extension nozzle to increase the quality of epithermal neutron beam as a boron neutron capture therapy neutron source
Double layer beam shaping assembly (DLBSA) is a system that moderates fast neutrons into epithermal neutrons. The epithermal neutrons that leave the aperture in the DLBSA system are broadened in the space, thereby reducing the intensity and homogeneity of the epithermal neutron beams. Therefore, it is necessary to improve the design. The development of the DLBSA design was carried out using an extension nozzle. The nozzles are designed using materials made in three configurations, namely Ni+LiF load polyethylene, Pb+LiF load polyethylene, and Bi+LiF load polyethylene. The simulation results show that the addition of a nozzle at the tip of the DLBSA can channel the beam more directionally with high intensity. The addition of nozzles with Ni+LiF load PE material produces an epithermal neutron beam that meets the IAEA standards.
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来源期刊
CiteScore
0.70
自引率
33.30%
发文量
10
审稿时长
19 weeks
期刊介绍: The journal Nuclear Physics and Atomic Energy presents the publications on Nuclear Physics, Atomic Energy, Radiation Physics, Radioecology, Engineering and Methods of Experiment. The journal includes peer-reviewed articles which are completed works containing new results of theoretical and experimental researches and are of interest for the scientists, postgraduate students, engineers and for the senior students.
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