Optimize the shielding of therapy head of 14MeV neutron therapy system

JIA Wenbao; YAO Zeen; SU Tongling; WANG Xuezhi; YANG Huazhong

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Optimize the shielding of therapy head of 14MeV neutron therapy system

更新时间：2021-03-12

- Optimize the shielding of therapy head of 14MeV neutron therapy system
- NUCLEAR TECHNIQUES Issue 11, (2000)
- 作者机构：
  
  兰州大学,兰州,730000
- 作者简介：
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- Published：01 November 2000
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[1]贾文宝,姚泽恩,苏桐龄,王学智,杨化中.14MeV中子治癌机中治疗头屏蔽体的优化设计[J].核技术,2000(11):824-827.

JIA Wenbao, YAO Zeen, SU Tongling, et al. Optimize the shielding of therapy head of 14MeV neutron therapy system[J]. Nuclear techniques, 2000, (11): 824-827.
[1]贾文宝,姚泽恩,苏桐龄,王学智,杨化中.14MeV中子治癌机中治疗头屏蔽体的优化设计[J].核技术,2000(11):824-827. DOI：

JIA Wenbao, YAO Zeen, SU Tongling, et al. Optimize the shielding of therapy head of 14MeV neutron therapy system[J]. Nuclear techniques, 2000, (11): 824-827. DOI：

摘要

应兰州大学１４ＭｅＶ中子治癌机中治疗头屏蔽体的设计需要，利用ＭｏｎｔｅＣａｒｌｏ方法（ＭＣＮＰ程序）模拟计算了一个复合屏蔽的（采用１００ｃｍ源皮距下，国际上一般采用１００—１２０ｃｍ）中子输运过程，计算了１４ＭｅＶ快中子源在复合屏蔽的不同组合时的透射剂量率，优化设计了最经济实用的屏蔽体的方案，为治疗头的屏蔽设计提供了可靠的科学依据。

Abstract

According to the design need of the shielding of therapy head in the 14MeV neutron therapy system of Lanzhou University

this paper simulated the transfer process of neutron at a source to body surface distance of 100cm by Monte Carlo method (mcnp3b). The dose transmissivity of fast neutron on the complex shielding of various combination was calculated. Optimum scheme of shielding was designed. It supplied a scientific basis for the design of therapy head.

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Department of Modern Physics, University of Science and Technology of China

中国科学技术大学近代物理系

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