一种使用D-T中子发生器用于硼中子俘获治疗（BNCT）的新型束流整形组件设计。
A novel design of beam shaping assembly to use D-T neutron generator for BNCT.
作者信息
Kasesaz Yaser, Karimi Marjan
机构信息
Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran.
Department of Medical Radiation, Engineering faculty, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
出版信息
Appl Radiat Isot. 2016 Dec;118:317-325. doi: 10.1016/j.apradiso.2016.09.029. Epub 2016 Sep 28.
In order to use 14.1MeV neutrons produced by d-T neutron generators, two special and novel Beam Shaping Assemblies (BSA), including multi-layer and hexagonal lattice have been suggested and the effect of them has been investigated by MCNP4C Monte Carlo code. The results show that the proposed BSA can provide the qualified epithermal neutron beam for BNCT. The final epithermal neutron flux is about 6e9 n/cm2.s. The final proposed BSA has some different advantages: 1) it consists of usual and well-known materials (Pb, Al, Fluental and Cd); 2) it has a simple geometry; 3) it does not need any additional gamma filter; 4) it can provide high flux of epithermal neutrons. As this type of neutron source is under development in the world, it seems that they can be used clinically in a hospital considering the proposed BSA.
为了利用d-T中子发生器产生的14.1兆电子伏中子，已经提出了两种特殊且新颖的束流整形组件（BSA），包括多层和六边形晶格结构，并通过MCNP4C蒙特卡罗代码研究了它们的效果。结果表明，所提出的BSA能够为硼中子俘获疗法（BNCT）提供合格的超热中子束。最终的超热中子通量约为6×10⁹ n/cm²·s。最终提出的BSA具有一些不同的优点：1）它由常见且知名的材料（铅、铝、氟化物和镉）组成；2）它具有简单的几何形状；3）它不需要任何额外的伽马滤波器；4）它能够提供高通量的超热中子。由于这种类型的中子源在世界范围内正在开发中，考虑到所提出的BSA，似乎它们可以在医院中临床使用。
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