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Neutron-Beam-Shaping Assembly for Boron Neutron-Capture Therapy

机译:用于硼中子捕获疗法的中子束整形组件

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摘要

A neutron-beam-shaping assembly consisting of a moderator, a reflector, and an absorber is used to form a therapeutic neutron beam for the boron neutron-capture therapy of malignant tumors at accelerator neutron sources. A new structure of the moderator and reflector is proposed in the present article, and the results of a numerical simulation of the neutron spectrum and of the absorbed dose in a modified Snyder head phantom are presented. The application of a compositemoderator and of a composite reflector and the implementation of neutron production at the proton energy of 2.3MeVare shown to permit obtaining a high-quality therapeutic neutron beam.
机译:中子束整形组件由慢化剂、反射器和吸收器组成,用于形成治疗中子束,用于加速器中子源处恶性肿瘤的硼中子俘获治疗。本文提出了一种新的慢化剂和反射器结构,并给出了改进的斯奈德头部模型中子谱和吸收剂量的数值模拟结果。结果表明,使用复合减额器和复合反射器,以及在2.3MeVA的质子能量下进行中子产生,可以获得高质量的治疗中子束。

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  • 来源
    《Physics of atomic nuclei》 |2017年第1期|共7页
  • 作者单位

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

    Russian Acad Sci Siberian Branch Budker Inst Nucl Phys Pr Akad Lavrentieva 11 Novosibirsk 630090 Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 原子物理学;原子核物理学、高能物理学;
  • 关键词

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