一种多调制中子谱仪，用于德黑兰研究堆硼中子俘获治疗研究。
A multi-moderator neutron spectrometer for use in BNCT studies of the Tehran research reactor.
机构信息
Department of Physics, K. N. Toosi University of Technology, P.O. Box 16315-1618, Tehran, Iran.
Department of Physics, School of Sciences, Ferdowsi University of Mashhad, P.O. Box 91775-1436, Mashhad, Iran.
出版信息
Appl Radiat Isot. 2021 Aug;174:109751. doi: 10.1016/j.apradiso.2021.109751. Epub 2021 Apr 29.
The Tehran Research Reactor is the only appropriate and available neutron source in Iran for clinical boron neutron capture therapy (BNCT). One of the requirements for BNCT is to carefully evaluate and measure the therapeutic neutron beam (epithermal neutrons) as well as the fast and thermal neutron components for successful treatment. In this research, a multi-moderator neutron spectrometer (MMNS) with LiI(Eu) scintillator as neutron counter was proposed for these measurements in the range of 10 eV to 15 MeV. The results confirmed promising precision of the designed MMNS for the epithermal spectrum; however, the angular dependency of the therapeutic beam due to any probable change in the beam-shaping assembly should be considered.
德黑兰研究堆是伊朗唯一适合且可用的临床硼中子俘获治疗 (BNCT) 中子源。BNCT 的要求之一是仔细评估和测量治疗性中子束（超热中子）以及快中子和热中子分量，以实现成功治疗。在这项研究中，提出了一种带有 LiI(Eu) 闪烁体作为中子计数器的多慢化剂中子谱仪 (MMNS)，用于在 10 eV 到 15 MeV 的范围内进行这些测量。结果证实，所设计的 MMNS 对超热谱具有很高的精度；然而，由于束流整形组件可能发生的任何变化，治疗束的角度依赖性也应该被考虑到。
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